[BUG] rc1 and rc2: Laptop unusable: on boot,screen black instead of native resolution

Message ID 53ADECDA.60600@posteo.de (mailing list archive)
State Not Applicable, archived
Headers

Commit Message

Martin Kepplinger June 27, 2014, 10:14 p.m. UTC
  Am 2014-06-27 21:51, schrieb Martin Kepplinger:
> Am 2014-06-27 20:09, schrieb Martin Kepplinger:
>> Am 2014-06-27 17:14, schrieb Zhang Rui:
>>> On Mon, 2014-06-23 at 16:46 +0200, Martin Kepplinger wrote:
>>>> Am 2014-06-23 15:14, schrieb Zhang Rui:
>>>>> On Mon, 2014-06-23 at 14:22 +0200, Martin Kepplinger wrote:
>>>>>> Am 2014-06-23 03:10, schrieb Zhang, Rui:
>>>>>>>
>>>>>>>
>>>>>>>> -----Original Message-----
>>>>>>>> From: Martin Kepplinger [mailto:martink@posteo.de]
>>>>>>>> Sent: Sunday, June 22, 2014 10:25 PM
>>>>>>>> To: Zhang, Rui
>>>>>>>> Cc: rjw@rjwysocki.net; lenb@kernel.org; linux-acpi@vger.kernel.org;
>>>>>>>> linux-kernel@vger.kernel.org
>>>>>>>> Subject: [BUG] rc1 and rc2: Laptop unusable: on boot,screen black
>>>>>>>> instead of native resolution
>>>>>>>> Importance: High
>>>>>>>>
>>>>>>>> Since 3.16-rc1 my laptop's just goes black while booting, instead of
>>>>>>>> switching to native screen resolution and showing me the starting
>>>>>>>> system there. It's an Acer TravelMate B113 with i915 driver and
>>>>>>>> acer_wmi. It stays black and is unusable.
>>>>>>>>
>>>>> This looks like a duplicate of
>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=78601
>>>>>
>>>>> thanks,
>>>>> rui
>>>> I'm not sure about that. I have no problem with v3.15 and the screen
>>>> goes black way before a display manager is started. It's right after the
>>>> kernel loaded and usually the screen is set to native resolution.
>>>>
>>>> Bisect told me aaeb2554337217dfa4eac2fcc90da7be540b9a73 as the first bad
>>>> one. Although, checking that out and running it, works good. not sure if
>>>> that makes sense.
>>>>
>>> could you please check if the comment in
>>> https://bugzilla.kernel.org/show_bug.cgi?id=78601#c5 solves your problem
>>> or not?
>>>
>>> thanks,
>>> rui
>>
>> thanks for checking. This does not change anything though. I tested the
>> following on top of v3.16-rc2 and linus's tree as of today, almost -rc3.
>>
>> ---
>>  drivers/gpu/drm/i915/intel_fbdev.c |    1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c
>> b/drivers/gpu/drm/i915/intel_fbdev.c
>> index 088fe93..1e2f9ae 100644
>> --- a/drivers/gpu/drm/i915/intel_fbdev.c
>> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
>> @@ -453,7 +453,6 @@ out:
>>  }
>>
>>  static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
>> -       .initial_config = intel_fb_initial_config,
>>         .gamma_set = intel_crtc_fb_gamma_set,
>>         .gamma_get = intel_crtc_fb_gamma_get,
>>         .fb_probe = intelfb_create,
>>
> 
> I also tested the following patch from
> http://lists.freedesktop.org/archives/intel-gfx/2014-June/047981.html
> now, with no results. No change in my case :(
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index efd3cf5..5aee08e 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -11087,6 +11087,22 @@ const char *intel_output_name(int output)
>         return names[output];
>  }
> 
> +static bool intel_crt_present(struct drm_device *dev)
> +{
> +       struct drm_i915_private *dev_priv = dev->dev_private;
> +
> +       if (IS_ULT(dev))
> +               return false;
> +
> +       if (IS_CHERRYVIEW(dev))
> +               return false;
> +
> +       if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support)
> +               return false;
> +
> +       return true;
> +}
> +
>  static void intel_setup_outputs(struct drm_device *dev)
>  {
>         struct drm_i915_private *dev_priv = dev->dev_private;
> @@ -11095,7 +11111,7 @@ static void intel_setup_outputs(struct
> drm_device *dev)
> 
>         intel_lvds_init(dev);
> 
> -       if (!IS_ULT(dev) && !IS_CHERRYVIEW(dev) &&
> dev_priv->vbt.int_crt_support)
> +       if (intel_crt_present(dev))
>                 intel_crt_init(dev);
> 
>         if (HAS_DDI(dev)) {
> 
I'm on i686 and also the following from
https://bugzilla.redhat.com/show_bug.cgi?id=1110968#c16 does not help :(
this is bad.

---
 arch/x86/kernel/signal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 		put_user_ex(restorer, &frame->pretcode);
  

Comments

Martin Kepplinger June 30, 2014, 7:52 a.m. UTC | #1
I now booted 3.16-rc3 and suddenly see an oops during boot:

the oops during boot: http://tny.cz/2301e393
	also below

lshw if interesting: http://tny.cz/3c9a7609

the full boot log: http://tny.cz/88260b19

does anyone have an idea?
                           thanks

the oops:

Jun 30 08:35:08 laptop kernel: [    5.245811] bus: 'platform':
really_probe: probing driver coretemp with device coretemp.0
Jun 30 08:35:08 laptop kernel: [    5.246134] BUG: unable to handle
kernel NULL pointer dereference at 0000074c
Jun 30 08:35:08 laptop kernel: [    5.246145] IP: [<c10325d9>]
is_highmem+0x1/0x2b
Jun 30 08:35:08 laptop kernel: [    5.246158] *pdpt = 0000000033e49001
*pde = 0000000000000000
Jun 30 08:35:08 laptop kernel: [    5.246167] Oops: 0000 [#1] SMP
Jun 30 08:35:08 laptop kernel: [    5.246175] Modules linked in:
coretemp(+) kvm_intel kvm snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic microcode snd_hda_intel i915(+) snd_hda_controller
evdev psmouse snd_hda_codec serio_raw snd_hwdep snd_pcm iwlwifi i2c_i801
lpc_ich mfd_core snd_seq drm_kms_helper snd_timer battery ehci_pci
snd_seq_device drm cfg80211 ehci_hcd snd i2c_algo_bit ac video i2c_core
rfkill soundcore wmi acpi_cpufreq button processor thermal_sys ext4
crc16 jbd2 mbcache sg sd_mod crct10dif_generic crc_t10dif
crct10dif_common ahci libahci crc32c_intel tg3 ptp libata pps_core
sdhci_pci sdhci scsi_mod mmc_core libphy xhci_hcd usbcore usb_common
Jun 30 08:35:08 laptop kernel: [    5.246320] CPU: 1 PID: 491 Comm:
modprobe Not tainted 3.16.0-rc3 #83
Jun 30 08:35:08 laptop kernel: [    5.246330] Hardware name: Acer
TravelMate B113/BA10_HX           , BIOS V1.09 10/30/2012
Jun 30 08:35:08 laptop kernel: [    5.246344] task: f3828a90 ti:
f3e88000 task.ti: f3e88000
Jun 30 08:35:08 laptop kernel: [    5.246355] EIP: 0060:[<c10325d9>]
EFLAGS: 00010206 CPU: 1
Jun 30 08:35:08 laptop kernel: [    5.246367] EIP is at is_highmem+0x1/0x2b
Jun 30 08:35:08 laptop kernel: [    5.246376] EAX: 000003c0 EBX:
ffb76000 ECX: 00000001 EDX: 000003c0
Jun 30 08:35:08 laptop kernel: [    5.246386] ESI: f86cd279 EDI:
00000000 EBP: f3e89c10 ESP: f3e89c04
Jun 30 08:35:08 laptop kernel: [    5.246396]  DS: 007b ES: 007b FS:
00d8 GS: 00e0 SS: 0068
Jun 30 08:35:08 laptop kernel: [    5.246405] CR0: 80050033 CR2:
0000074c CR3: 2e3fc000 CR4: 000407f0
Jun 30 08:35:08 laptop kernel: [    5.246414] Stack:
Jun 30 08:35:08 laptop kernel: [    5.246421]  f3e89c10 c1032889
f3cbcc60 f3e89c4c f86b52bf 00000005 00000000 00000448
Jun 30 08:35:08 laptop kernel: [    5.246442]  f3e89c30 00000006
00165000 ffb76000 00000113 f870f010 ee881128 ee881128
Jun 30 08:35:08 laptop kernel: [    5.246465]  00000001 f418b980
f3e89c74 f86b4e5c 00000000 f3911e00 f3911e00 ee881128
Jun 30 08:35:08 laptop kernel: [    5.246487] Call Trace:
Jun 30 08:35:08 laptop kernel: [    5.246500]  [<c1032889>] ?
kunmap+0x3b/0x4e
Jun 30 08:35:08 laptop kernel: [    5.246578]  [<f86b52bf>] ?
i915_gem_render_state_init+0x24f/0x28c [i915]
Jun 30 08:35:08 laptop kernel: [    5.246634]  [<f86b4e5c>] ?
i915_switch_context+0x348/0x387 [i915]
Jun 30 08:35:08 laptop kernel: [    5.246684]  [<f86b4f0f>] ?
i915_gem_context_enable+0x74/0x7c [i915]
Jun 30 08:35:08 laptop kernel: [    5.246742]  [<f86bcd38>] ?
i915_gem_init_hw+0x23e/0x285 [i915]
Jun 30 08:35:08 laptop kernel: [    5.246818]  [<f86bce7e>] ?
i915_gem_init+0xff/0x179 [i915]
Jun 30 08:35:08 laptop kernel: [    5.246924]  [<f87047d9>] ?
i915_driver_load+0x989/0xc1d [i915]
Jun 30 08:35:08 laptop kernel: [    5.246940]  [<c1267429>] ?
get_device+0x14/0x1d
Jun 30 08:35:08 laptop kernel: [    5.246955]  [<c1268832>] ?
device_add+0x3b7/0x4a9
Jun 30 08:35:08 laptop kernel: [    5.246996]  [<f8619c80>] ?
drm_minor_register+0x104/0x15c [drm]
Jun 30 08:35:08 laptop kernel: [    5.247033]  [<f8619d44>] ?
drm_dev_register+0x6c/0xce [drm]
Jun 30 08:35:08 laptop kernel: [    5.247072]  [<f861bbb4>] ?
drm_get_pci_dev+0xde/0x174 [drm]
Jun 30 08:35:08 laptop kernel: [    5.247088]  [<c11dcc58>] ?
local_pci_probe+0x33/0x6c
Jun 30 08:35:08 laptop kernel: [    5.247101]  [<c11dcd39>] ?
pci_device_probe+0xa8/0xca
Jun 30 08:35:08 laptop kernel: [    5.247115]  [<c126a75a>] ?
driver_probe_device+0xd3/0x225
Jun 30 08:35:08 laptop kernel: [    5.247128]  [<c126a8f8>] ?
__driver_attach+0x4c/0x68
Jun 30 08:35:08 laptop kernel: [    5.247141]  [<c1269260>] ?
bus_for_each_dev+0x41/0x6b
Jun 30 08:35:08 laptop kernel: [    5.247155]  [<c126a26c>] ?
driver_attach+0x19/0x1b
Jun 30 08:35:08 laptop kernel: [    5.247166]  [<c126a8ac>] ?
driver_probe_device+0x225/0x225
Jun 30 08:35:08 laptop kernel: [    5.247176]  [<c126a027>] ?
bus_add_driver+0xcf/0x192
Jun 30 08:35:08 laptop kernel: [    5.247184]  [<c126ae69>] ?
driver_register+0x73/0xa5
Jun 30 08:35:08 laptop kernel: [    5.247193]  [<f85ee000>] ? 0xf85edfff
Jun 30 08:35:08 laptop kernel: [    5.247200]  [<c100045e>] ?
do_one_initcall+0xe0/0x17a
Jun 30 08:35:08 laptop kernel: [    5.247209]  [<c10fadf8>] ?
__cache_free+0x369/0x371
Jun 30 08:35:08 laptop kernel: [    5.247216]  [<c10fadf8>] ?
__cache_free+0x369/0x371
Jun 30 08:35:08 laptop kernel: [    5.247223]  [<c1088e4d>] ?
load_module+0x11a5/0x14b6
Jun 30 08:35:08 laptop kernel: [    5.247230]  [<c1088e4d>] ?
load_module+0x11a5/0x14b6
Jun 30 08:35:08 laptop kernel: [    5.247238]  [<c1088e90>] ?
load_module+0x11e8/0x14b6
Jun 30 08:35:08 laptop kernel: [    5.247248]  [<c10891e4>] ?
SyS_init_module+0x86/0x9e
Jun 30 08:35:08 laptop kernel: [    5.247263]  [<c135d64f>] ?
sysenter_do_call+0x12/0x16
Jun 30 08:35:08 laptop kernel: [    5.247269] Code: e4 00 00 00 00 e8 b8
f9 ff ff 83 c4 0c 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 66 66 66 66 90 31 d2
e8 5e fe ff ff 31 c0 5d c3 90 90 55 <2b> 80 8c 03 00 00 89 e5 3d 80 07
00 00 74 14 3d 40 0b 00 00 74
Jun 30 08:35:08 laptop kernel: [    5.247337] EIP: [<c10325d9>]
is_highmem+0x1/0x2b SS:ESP 0068:f3e89c04
Jun 30 08:35:08 laptop kernel: [    5.247354] CR2: 000000000000074c
Jun 30 08:35:08 laptop kernel: [    5.247364] ---[ end trace
f6bf47010230a3ea ]---
Jun 30 08:35:08 laptop kernel: [    5.249053] device: 'hwmon0': device_add
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Zhang Rui June 30, 2014, 8:18 a.m. UTC | #2
On Mon, 2014-06-30 at 09:52 +0200, Martin Kepplinger wrote:
> I now booted 3.16-rc3 and suddenly see an oops during boot:
> 
> the oops during boot: http://tny.cz/2301e393
> 	also below
> 
> lshw if interesting: http://tny.cz/3c9a7609
> 
> the full boot log: http://tny.cz/88260b19
> 
> does anyone have an idea?

what if you rebuild the kernel with CONFIG_SENSORS_CORETEMP=n?

thanks,
rui
>                            thanks
> 
> the oops:
> 
> Jun 30 08:35:08 laptop kernel: [    5.245811] bus: 'platform':
> really_probe: probing driver coretemp with device coretemp.0
> Jun 30 08:35:08 laptop kernel: [    5.246134] BUG: unable to handle
> kernel NULL pointer dereference at 0000074c
> Jun 30 08:35:08 laptop kernel: [    5.246145] IP: [<c10325d9>]
> is_highmem+0x1/0x2b
> Jun 30 08:35:08 laptop kernel: [    5.246158] *pdpt = 0000000033e49001
> *pde = 0000000000000000
> Jun 30 08:35:08 laptop kernel: [    5.246167] Oops: 0000 [#1] SMP
> Jun 30 08:35:08 laptop kernel: [    5.246175] Modules linked in:
> coretemp(+) kvm_intel kvm snd_hda_codec_hdmi snd_hda_codec_realtek
> snd_hda_codec_generic microcode snd_hda_intel i915(+) snd_hda_controller
> evdev psmouse snd_hda_codec serio_raw snd_hwdep snd_pcm iwlwifi i2c_i801
> lpc_ich mfd_core snd_seq drm_kms_helper snd_timer battery ehci_pci
> snd_seq_device drm cfg80211 ehci_hcd snd i2c_algo_bit ac video i2c_core
> rfkill soundcore wmi acpi_cpufreq button processor thermal_sys ext4
> crc16 jbd2 mbcache sg sd_mod crct10dif_generic crc_t10dif
> crct10dif_common ahci libahci crc32c_intel tg3 ptp libata pps_core
> sdhci_pci sdhci scsi_mod mmc_core libphy xhci_hcd usbcore usb_common
> Jun 30 08:35:08 laptop kernel: [    5.246320] CPU: 1 PID: 491 Comm:
> modprobe Not tainted 3.16.0-rc3 #83
> Jun 30 08:35:08 laptop kernel: [    5.246330] Hardware name: Acer
> TravelMate B113/BA10_HX           , BIOS V1.09 10/30/2012
> Jun 30 08:35:08 laptop kernel: [    5.246344] task: f3828a90 ti:
> f3e88000 task.ti: f3e88000
> Jun 30 08:35:08 laptop kernel: [    5.246355] EIP: 0060:[<c10325d9>]
> EFLAGS: 00010206 CPU: 1
> Jun 30 08:35:08 laptop kernel: [    5.246367] EIP is at is_highmem+0x1/0x2b
> Jun 30 08:35:08 laptop kernel: [    5.246376] EAX: 000003c0 EBX:
> ffb76000 ECX: 00000001 EDX: 000003c0
> Jun 30 08:35:08 laptop kernel: [    5.246386] ESI: f86cd279 EDI:
> 00000000 EBP: f3e89c10 ESP: f3e89c04
> Jun 30 08:35:08 laptop kernel: [    5.246396]  DS: 007b ES: 007b FS:
> 00d8 GS: 00e0 SS: 0068
> Jun 30 08:35:08 laptop kernel: [    5.246405] CR0: 80050033 CR2:
> 0000074c CR3: 2e3fc000 CR4: 000407f0
> Jun 30 08:35:08 laptop kernel: [    5.246414] Stack:
> Jun 30 08:35:08 laptop kernel: [    5.246421]  f3e89c10 c1032889
> f3cbcc60 f3e89c4c f86b52bf 00000005 00000000 00000448
> Jun 30 08:35:08 laptop kernel: [    5.246442]  f3e89c30 00000006
> 00165000 ffb76000 00000113 f870f010 ee881128 ee881128
> Jun 30 08:35:08 laptop kernel: [    5.246465]  00000001 f418b980
> f3e89c74 f86b4e5c 00000000 f3911e00 f3911e00 ee881128
> Jun 30 08:35:08 laptop kernel: [    5.246487] Call Trace:
> Jun 30 08:35:08 laptop kernel: [    5.246500]  [<c1032889>] ?
> kunmap+0x3b/0x4e
> Jun 30 08:35:08 laptop kernel: [    5.246578]  [<f86b52bf>] ?
> i915_gem_render_state_init+0x24f/0x28c [i915]
> Jun 30 08:35:08 laptop kernel: [    5.246634]  [<f86b4e5c>] ?
> i915_switch_context+0x348/0x387 [i915]
> Jun 30 08:35:08 laptop kernel: [    5.246684]  [<f86b4f0f>] ?
> i915_gem_context_enable+0x74/0x7c [i915]
> Jun 30 08:35:08 laptop kernel: [    5.246742]  [<f86bcd38>] ?
> i915_gem_init_hw+0x23e/0x285 [i915]
> Jun 30 08:35:08 laptop kernel: [    5.246818]  [<f86bce7e>] ?
> i915_gem_init+0xff/0x179 [i915]
> Jun 30 08:35:08 laptop kernel: [    5.246924]  [<f87047d9>] ?
> i915_driver_load+0x989/0xc1d [i915]
> Jun 30 08:35:08 laptop kernel: [    5.246940]  [<c1267429>] ?
> get_device+0x14/0x1d
> Jun 30 08:35:08 laptop kernel: [    5.246955]  [<c1268832>] ?
> device_add+0x3b7/0x4a9
> Jun 30 08:35:08 laptop kernel: [    5.246996]  [<f8619c80>] ?
> drm_minor_register+0x104/0x15c [drm]
> Jun 30 08:35:08 laptop kernel: [    5.247033]  [<f8619d44>] ?
> drm_dev_register+0x6c/0xce [drm]
> Jun 30 08:35:08 laptop kernel: [    5.247072]  [<f861bbb4>] ?
> drm_get_pci_dev+0xde/0x174 [drm]
> Jun 30 08:35:08 laptop kernel: [    5.247088]  [<c11dcc58>] ?
> local_pci_probe+0x33/0x6c
> Jun 30 08:35:08 laptop kernel: [    5.247101]  [<c11dcd39>] ?
> pci_device_probe+0xa8/0xca
> Jun 30 08:35:08 laptop kernel: [    5.247115]  [<c126a75a>] ?
> driver_probe_device+0xd3/0x225
> Jun 30 08:35:08 laptop kernel: [    5.247128]  [<c126a8f8>] ?
> __driver_attach+0x4c/0x68
> Jun 30 08:35:08 laptop kernel: [    5.247141]  [<c1269260>] ?
> bus_for_each_dev+0x41/0x6b
> Jun 30 08:35:08 laptop kernel: [    5.247155]  [<c126a26c>] ?
> driver_attach+0x19/0x1b
> Jun 30 08:35:08 laptop kernel: [    5.247166]  [<c126a8ac>] ?
> driver_probe_device+0x225/0x225
> Jun 30 08:35:08 laptop kernel: [    5.247176]  [<c126a027>] ?
> bus_add_driver+0xcf/0x192
> Jun 30 08:35:08 laptop kernel: [    5.247184]  [<c126ae69>] ?
> driver_register+0x73/0xa5
> Jun 30 08:35:08 laptop kernel: [    5.247193]  [<f85ee000>] ? 0xf85edfff
> Jun 30 08:35:08 laptop kernel: [    5.247200]  [<c100045e>] ?
> do_one_initcall+0xe0/0x17a
> Jun 30 08:35:08 laptop kernel: [    5.247209]  [<c10fadf8>] ?
> __cache_free+0x369/0x371
> Jun 30 08:35:08 laptop kernel: [    5.247216]  [<c10fadf8>] ?
> __cache_free+0x369/0x371
> Jun 30 08:35:08 laptop kernel: [    5.247223]  [<c1088e4d>] ?
> load_module+0x11a5/0x14b6
> Jun 30 08:35:08 laptop kernel: [    5.247230]  [<c1088e4d>] ?
> load_module+0x11a5/0x14b6
> Jun 30 08:35:08 laptop kernel: [    5.247238]  [<c1088e90>] ?
> load_module+0x11e8/0x14b6
> Jun 30 08:35:08 laptop kernel: [    5.247248]  [<c10891e4>] ?
> SyS_init_module+0x86/0x9e
> Jun 30 08:35:08 laptop kernel: [    5.247263]  [<c135d64f>] ?
> sysenter_do_call+0x12/0x16
> Jun 30 08:35:08 laptop kernel: [    5.247269] Code: e4 00 00 00 00 e8 b8
> f9 ff ff 83 c4 0c 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 66 66 66 66 90 31 d2
> e8 5e fe ff ff 31 c0 5d c3 90 90 55 <2b> 80 8c 03 00 00 89 e5 3d 80 07
> 00 00 74 14 3d 40 0b 00 00 74
> Jun 30 08:35:08 laptop kernel: [    5.247337] EIP: [<c10325d9>]
> is_highmem+0x1/0x2b SS:ESP 0068:f3e89c04
> Jun 30 08:35:08 laptop kernel: [    5.247354] CR2: 000000000000074c
> Jun 30 08:35:08 laptop kernel: [    5.247364] ---[ end trace
> f6bf47010230a3ea ]---
> Jun 30 08:35:08 laptop kernel: [    5.249053] device: 'hwmon0': device_add


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Zhang Rui June 30, 2014, 8:20 a.m. UTC | #3
On Mon, 2014-06-30 at 16:18 +0800, Zhang Rui wrote:
> On Mon, 2014-06-30 at 09:52 +0200, Martin Kepplinger wrote:
> > I now booted 3.16-rc3 and suddenly see an oops during boot:
> > 
> > the oops during boot: http://tny.cz/2301e393
> > 	also below
> > 
> > lshw if interesting: http://tny.cz/3c9a7609
> > 
> > the full boot log: http://tny.cz/88260b19
> > 
> > does anyone have an idea?
> 
> what if you rebuild the kernel with CONFIG_SENSORS_CORETEMP=n?
> 
BTW, can this be 100% reproduced on a rc3 kernel?

thanks,
rui
> thanks,
> rui
> >                            thanks
> > 
> > the oops:
> > 
> > Jun 30 08:35:08 laptop kernel: [    5.245811] bus: 'platform':
> > really_probe: probing driver coretemp with device coretemp.0
> > Jun 30 08:35:08 laptop kernel: [    5.246134] BUG: unable to handle
> > kernel NULL pointer dereference at 0000074c
> > Jun 30 08:35:08 laptop kernel: [    5.246145] IP: [<c10325d9>]
> > is_highmem+0x1/0x2b
> > Jun 30 08:35:08 laptop kernel: [    5.246158] *pdpt = 0000000033e49001
> > *pde = 0000000000000000
> > Jun 30 08:35:08 laptop kernel: [    5.246167] Oops: 0000 [#1] SMP
> > Jun 30 08:35:08 laptop kernel: [    5.246175] Modules linked in:
> > coretemp(+) kvm_intel kvm snd_hda_codec_hdmi snd_hda_codec_realtek
> > snd_hda_codec_generic microcode snd_hda_intel i915(+) snd_hda_controller
> > evdev psmouse snd_hda_codec serio_raw snd_hwdep snd_pcm iwlwifi i2c_i801
> > lpc_ich mfd_core snd_seq drm_kms_helper snd_timer battery ehci_pci
> > snd_seq_device drm cfg80211 ehci_hcd snd i2c_algo_bit ac video i2c_core
> > rfkill soundcore wmi acpi_cpufreq button processor thermal_sys ext4
> > crc16 jbd2 mbcache sg sd_mod crct10dif_generic crc_t10dif
> > crct10dif_common ahci libahci crc32c_intel tg3 ptp libata pps_core
> > sdhci_pci sdhci scsi_mod mmc_core libphy xhci_hcd usbcore usb_common
> > Jun 30 08:35:08 laptop kernel: [    5.246320] CPU: 1 PID: 491 Comm:
> > modprobe Not tainted 3.16.0-rc3 #83
> > Jun 30 08:35:08 laptop kernel: [    5.246330] Hardware name: Acer
> > TravelMate B113/BA10_HX           , BIOS V1.09 10/30/2012
> > Jun 30 08:35:08 laptop kernel: [    5.246344] task: f3828a90 ti:
> > f3e88000 task.ti: f3e88000
> > Jun 30 08:35:08 laptop kernel: [    5.246355] EIP: 0060:[<c10325d9>]
> > EFLAGS: 00010206 CPU: 1
> > Jun 30 08:35:08 laptop kernel: [    5.246367] EIP is at is_highmem+0x1/0x2b
> > Jun 30 08:35:08 laptop kernel: [    5.246376] EAX: 000003c0 EBX:
> > ffb76000 ECX: 00000001 EDX: 000003c0
> > Jun 30 08:35:08 laptop kernel: [    5.246386] ESI: f86cd279 EDI:
> > 00000000 EBP: f3e89c10 ESP: f3e89c04
> > Jun 30 08:35:08 laptop kernel: [    5.246396]  DS: 007b ES: 007b FS:
> > 00d8 GS: 00e0 SS: 0068
> > Jun 30 08:35:08 laptop kernel: [    5.246405] CR0: 80050033 CR2:
> > 0000074c CR3: 2e3fc000 CR4: 000407f0
> > Jun 30 08:35:08 laptop kernel: [    5.246414] Stack:
> > Jun 30 08:35:08 laptop kernel: [    5.246421]  f3e89c10 c1032889
> > f3cbcc60 f3e89c4c f86b52bf 00000005 00000000 00000448
> > Jun 30 08:35:08 laptop kernel: [    5.246442]  f3e89c30 00000006
> > 00165000 ffb76000 00000113 f870f010 ee881128 ee881128
> > Jun 30 08:35:08 laptop kernel: [    5.246465]  00000001 f418b980
> > f3e89c74 f86b4e5c 00000000 f3911e00 f3911e00 ee881128
> > Jun 30 08:35:08 laptop kernel: [    5.246487] Call Trace:
> > Jun 30 08:35:08 laptop kernel: [    5.246500]  [<c1032889>] ?
> > kunmap+0x3b/0x4e
> > Jun 30 08:35:08 laptop kernel: [    5.246578]  [<f86b52bf>] ?
> > i915_gem_render_state_init+0x24f/0x28c [i915]
> > Jun 30 08:35:08 laptop kernel: [    5.246634]  [<f86b4e5c>] ?
> > i915_switch_context+0x348/0x387 [i915]
> > Jun 30 08:35:08 laptop kernel: [    5.246684]  [<f86b4f0f>] ?
> > i915_gem_context_enable+0x74/0x7c [i915]
> > Jun 30 08:35:08 laptop kernel: [    5.246742]  [<f86bcd38>] ?
> > i915_gem_init_hw+0x23e/0x285 [i915]
> > Jun 30 08:35:08 laptop kernel: [    5.246818]  [<f86bce7e>] ?
> > i915_gem_init+0xff/0x179 [i915]
> > Jun 30 08:35:08 laptop kernel: [    5.246924]  [<f87047d9>] ?
> > i915_driver_load+0x989/0xc1d [i915]
> > Jun 30 08:35:08 laptop kernel: [    5.246940]  [<c1267429>] ?
> > get_device+0x14/0x1d
> > Jun 30 08:35:08 laptop kernel: [    5.246955]  [<c1268832>] ?
> > device_add+0x3b7/0x4a9
> > Jun 30 08:35:08 laptop kernel: [    5.246996]  [<f8619c80>] ?
> > drm_minor_register+0x104/0x15c [drm]
> > Jun 30 08:35:08 laptop kernel: [    5.247033]  [<f8619d44>] ?
> > drm_dev_register+0x6c/0xce [drm]
> > Jun 30 08:35:08 laptop kernel: [    5.247072]  [<f861bbb4>] ?
> > drm_get_pci_dev+0xde/0x174 [drm]
> > Jun 30 08:35:08 laptop kernel: [    5.247088]  [<c11dcc58>] ?
> > local_pci_probe+0x33/0x6c
> > Jun 30 08:35:08 laptop kernel: [    5.247101]  [<c11dcd39>] ?
> > pci_device_probe+0xa8/0xca
> > Jun 30 08:35:08 laptop kernel: [    5.247115]  [<c126a75a>] ?
> > driver_probe_device+0xd3/0x225
> > Jun 30 08:35:08 laptop kernel: [    5.247128]  [<c126a8f8>] ?
> > __driver_attach+0x4c/0x68
> > Jun 30 08:35:08 laptop kernel: [    5.247141]  [<c1269260>] ?
> > bus_for_each_dev+0x41/0x6b
> > Jun 30 08:35:08 laptop kernel: [    5.247155]  [<c126a26c>] ?
> > driver_attach+0x19/0x1b
> > Jun 30 08:35:08 laptop kernel: [    5.247166]  [<c126a8ac>] ?
> > driver_probe_device+0x225/0x225
> > Jun 30 08:35:08 laptop kernel: [    5.247176]  [<c126a027>] ?
> > bus_add_driver+0xcf/0x192
> > Jun 30 08:35:08 laptop kernel: [    5.247184]  [<c126ae69>] ?
> > driver_register+0x73/0xa5
> > Jun 30 08:35:08 laptop kernel: [    5.247193]  [<f85ee000>] ? 0xf85edfff
> > Jun 30 08:35:08 laptop kernel: [    5.247200]  [<c100045e>] ?
> > do_one_initcall+0xe0/0x17a
> > Jun 30 08:35:08 laptop kernel: [    5.247209]  [<c10fadf8>] ?
> > __cache_free+0x369/0x371
> > Jun 30 08:35:08 laptop kernel: [    5.247216]  [<c10fadf8>] ?
> > __cache_free+0x369/0x371
> > Jun 30 08:35:08 laptop kernel: [    5.247223]  [<c1088e4d>] ?
> > load_module+0x11a5/0x14b6
> > Jun 30 08:35:08 laptop kernel: [    5.247230]  [<c1088e4d>] ?
> > load_module+0x11a5/0x14b6
> > Jun 30 08:35:08 laptop kernel: [    5.247238]  [<c1088e90>] ?
> > load_module+0x11e8/0x14b6
> > Jun 30 08:35:08 laptop kernel: [    5.247248]  [<c10891e4>] ?
> > SyS_init_module+0x86/0x9e
> > Jun 30 08:35:08 laptop kernel: [    5.247263]  [<c135d64f>] ?
> > sysenter_do_call+0x12/0x16
> > Jun 30 08:35:08 laptop kernel: [    5.247269] Code: e4 00 00 00 00 e8 b8
> > f9 ff ff 83 c4 0c 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 66 66 66 66 90 31 d2
> > e8 5e fe ff ff 31 c0 5d c3 90 90 55 <2b> 80 8c 03 00 00 89 e5 3d 80 07
> > 00 00 74 14 3d 40 0b 00 00 74
> > Jun 30 08:35:08 laptop kernel: [    5.247337] EIP: [<c10325d9>]
> > is_highmem+0x1/0x2b SS:ESP 0068:f3e89c04
> > Jun 30 08:35:08 laptop kernel: [    5.247354] CR2: 000000000000074c
> > Jun 30 08:35:08 laptop kernel: [    5.247364] ---[ end trace
> > f6bf47010230a3ea ]---
> > Jun 30 08:35:08 laptop kernel: [    5.249053] device: 'hwmon0': device_add
> 
> 
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Martin Kepplinger June 30, 2014, 9 a.m. UTC | #4
Am 2014-06-30 10:20, schrieb Zhang Rui:
> On Mon, 2014-06-30 at 16:18 +0800, Zhang Rui wrote:
>> On Mon, 2014-06-30 at 09:52 +0200, Martin Kepplinger wrote:
>>> I now booted 3.16-rc3 and suddenly see an oops during boot:
>>>
>>> the oops during boot: http://tny.cz/2301e393
>>> 	also below
>>>
>>> lshw if interesting: http://tny.cz/3c9a7609
>>>
>>> the full boot log: http://tny.cz/88260b19
>>>
>>> does anyone have an idea?
>>
>> what if you rebuild the kernel with CONFIG_SENSORS_CORETEMP=n?
>>
> BTW, can this be 100% reproduced on a rc3 kernel?

no I can't -.- Booted again a few times, no oops now. just the black
screen as 'usual' for 3.16.

> 
> thanks,
> rui
>> thanks,
>> rui
>>>                            thanks
>>>
>>> the oops:
>>>
>>> Jun 30 08:35:08 laptop kernel: [    5.245811] bus: 'platform':
>>> really_probe: probing driver coretemp with device coretemp.0
>>> Jun 30 08:35:08 laptop kernel: [    5.246134] BUG: unable to handle
>>> kernel NULL pointer dereference at 0000074c
>>> Jun 30 08:35:08 laptop kernel: [    5.246145] IP: [<c10325d9>]
>>> is_highmem+0x1/0x2b
>>> Jun 30 08:35:08 laptop kernel: [    5.246158] *pdpt = 0000000033e49001
>>> *pde = 0000000000000000
>>> Jun 30 08:35:08 laptop kernel: [    5.246167] Oops: 0000 [#1] SMP
>>> Jun 30 08:35:08 laptop kernel: [    5.246175] Modules linked in:
>>> coretemp(+) kvm_intel kvm snd_hda_codec_hdmi snd_hda_codec_realtek
>>> snd_hda_codec_generic microcode snd_hda_intel i915(+) snd_hda_controller
>>> evdev psmouse snd_hda_codec serio_raw snd_hwdep snd_pcm iwlwifi i2c_i801
>>> lpc_ich mfd_core snd_seq drm_kms_helper snd_timer battery ehci_pci
>>> snd_seq_device drm cfg80211 ehci_hcd snd i2c_algo_bit ac video i2c_core
>>> rfkill soundcore wmi acpi_cpufreq button processor thermal_sys ext4
>>> crc16 jbd2 mbcache sg sd_mod crct10dif_generic crc_t10dif
>>> crct10dif_common ahci libahci crc32c_intel tg3 ptp libata pps_core
>>> sdhci_pci sdhci scsi_mod mmc_core libphy xhci_hcd usbcore usb_common
>>> Jun 30 08:35:08 laptop kernel: [    5.246320] CPU: 1 PID: 491 Comm:
>>> modprobe Not tainted 3.16.0-rc3 #83
>>> Jun 30 08:35:08 laptop kernel: [    5.246330] Hardware name: Acer
>>> TravelMate B113/BA10_HX           , BIOS V1.09 10/30/2012
>>> Jun 30 08:35:08 laptop kernel: [    5.246344] task: f3828a90 ti:
>>> f3e88000 task.ti: f3e88000
>>> Jun 30 08:35:08 laptop kernel: [    5.246355] EIP: 0060:[<c10325d9>]
>>> EFLAGS: 00010206 CPU: 1
>>> Jun 30 08:35:08 laptop kernel: [    5.246367] EIP is at is_highmem+0x1/0x2b
>>> Jun 30 08:35:08 laptop kernel: [    5.246376] EAX: 000003c0 EBX:
>>> ffb76000 ECX: 00000001 EDX: 000003c0
>>> Jun 30 08:35:08 laptop kernel: [    5.246386] ESI: f86cd279 EDI:
>>> 00000000 EBP: f3e89c10 ESP: f3e89c04
>>> Jun 30 08:35:08 laptop kernel: [    5.246396]  DS: 007b ES: 007b FS:
>>> 00d8 GS: 00e0 SS: 0068
>>> Jun 30 08:35:08 laptop kernel: [    5.246405] CR0: 80050033 CR2:
>>> 0000074c CR3: 2e3fc000 CR4: 000407f0
>>> Jun 30 08:35:08 laptop kernel: [    5.246414] Stack:
>>> Jun 30 08:35:08 laptop kernel: [    5.246421]  f3e89c10 c1032889
>>> f3cbcc60 f3e89c4c f86b52bf 00000005 00000000 00000448
>>> Jun 30 08:35:08 laptop kernel: [    5.246442]  f3e89c30 00000006
>>> 00165000 ffb76000 00000113 f870f010 ee881128 ee881128
>>> Jun 30 08:35:08 laptop kernel: [    5.246465]  00000001 f418b980
>>> f3e89c74 f86b4e5c 00000000 f3911e00 f3911e00 ee881128
>>> Jun 30 08:35:08 laptop kernel: [    5.246487] Call Trace:
>>> Jun 30 08:35:08 laptop kernel: [    5.246500]  [<c1032889>] ?
>>> kunmap+0x3b/0x4e
>>> Jun 30 08:35:08 laptop kernel: [    5.246578]  [<f86b52bf>] ?
>>> i915_gem_render_state_init+0x24f/0x28c [i915]
>>> Jun 30 08:35:08 laptop kernel: [    5.246634]  [<f86b4e5c>] ?
>>> i915_switch_context+0x348/0x387 [i915]
>>> Jun 30 08:35:08 laptop kernel: [    5.246684]  [<f86b4f0f>] ?
>>> i915_gem_context_enable+0x74/0x7c [i915]
>>> Jun 30 08:35:08 laptop kernel: [    5.246742]  [<f86bcd38>] ?
>>> i915_gem_init_hw+0x23e/0x285 [i915]
>>> Jun 30 08:35:08 laptop kernel: [    5.246818]  [<f86bce7e>] ?
>>> i915_gem_init+0xff/0x179 [i915]
>>> Jun 30 08:35:08 laptop kernel: [    5.246924]  [<f87047d9>] ?
>>> i915_driver_load+0x989/0xc1d [i915]
>>> Jun 30 08:35:08 laptop kernel: [    5.246940]  [<c1267429>] ?
>>> get_device+0x14/0x1d
>>> Jun 30 08:35:08 laptop kernel: [    5.246955]  [<c1268832>] ?
>>> device_add+0x3b7/0x4a9
>>> Jun 30 08:35:08 laptop kernel: [    5.246996]  [<f8619c80>] ?
>>> drm_minor_register+0x104/0x15c [drm]
>>> Jun 30 08:35:08 laptop kernel: [    5.247033]  [<f8619d44>] ?
>>> drm_dev_register+0x6c/0xce [drm]
>>> Jun 30 08:35:08 laptop kernel: [    5.247072]  [<f861bbb4>] ?
>>> drm_get_pci_dev+0xde/0x174 [drm]
>>> Jun 30 08:35:08 laptop kernel: [    5.247088]  [<c11dcc58>] ?
>>> local_pci_probe+0x33/0x6c
>>> Jun 30 08:35:08 laptop kernel: [    5.247101]  [<c11dcd39>] ?
>>> pci_device_probe+0xa8/0xca
>>> Jun 30 08:35:08 laptop kernel: [    5.247115]  [<c126a75a>] ?
>>> driver_probe_device+0xd3/0x225
>>> Jun 30 08:35:08 laptop kernel: [    5.247128]  [<c126a8f8>] ?
>>> __driver_attach+0x4c/0x68
>>> Jun 30 08:35:08 laptop kernel: [    5.247141]  [<c1269260>] ?
>>> bus_for_each_dev+0x41/0x6b
>>> Jun 30 08:35:08 laptop kernel: [    5.247155]  [<c126a26c>] ?
>>> driver_attach+0x19/0x1b
>>> Jun 30 08:35:08 laptop kernel: [    5.247166]  [<c126a8ac>] ?
>>> driver_probe_device+0x225/0x225
>>> Jun 30 08:35:08 laptop kernel: [    5.247176]  [<c126a027>] ?
>>> bus_add_driver+0xcf/0x192
>>> Jun 30 08:35:08 laptop kernel: [    5.247184]  [<c126ae69>] ?
>>> driver_register+0x73/0xa5
>>> Jun 30 08:35:08 laptop kernel: [    5.247193]  [<f85ee000>] ? 0xf85edfff
>>> Jun 30 08:35:08 laptop kernel: [    5.247200]  [<c100045e>] ?
>>> do_one_initcall+0xe0/0x17a
>>> Jun 30 08:35:08 laptop kernel: [    5.247209]  [<c10fadf8>] ?
>>> __cache_free+0x369/0x371
>>> Jun 30 08:35:08 laptop kernel: [    5.247216]  [<c10fadf8>] ?
>>> __cache_free+0x369/0x371
>>> Jun 30 08:35:08 laptop kernel: [    5.247223]  [<c1088e4d>] ?
>>> load_module+0x11a5/0x14b6
>>> Jun 30 08:35:08 laptop kernel: [    5.247230]  [<c1088e4d>] ?
>>> load_module+0x11a5/0x14b6
>>> Jun 30 08:35:08 laptop kernel: [    5.247238]  [<c1088e90>] ?
>>> load_module+0x11e8/0x14b6
>>> Jun 30 08:35:08 laptop kernel: [    5.247248]  [<c10891e4>] ?
>>> SyS_init_module+0x86/0x9e
>>> Jun 30 08:35:08 laptop kernel: [    5.247263]  [<c135d64f>] ?
>>> sysenter_do_call+0x12/0x16
>>> Jun 30 08:35:08 laptop kernel: [    5.247269] Code: e4 00 00 00 00 e8 b8
>>> f9 ff ff 83 c4 0c 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 66 66 66 66 90 31 d2
>>> e8 5e fe ff ff 31 c0 5d c3 90 90 55 <2b> 80 8c 03 00 00 89 e5 3d 80 07
>>> 00 00 74 14 3d 40 0b 00 00 74
>>> Jun 30 08:35:08 laptop kernel: [    5.247337] EIP: [<c10325d9>]
>>> is_highmem+0x1/0x2b SS:ESP 0068:f3e89c04
>>> Jun 30 08:35:08 laptop kernel: [    5.247354] CR2: 000000000000074c
>>> Jun 30 08:35:08 laptop kernel: [    5.247364] ---[ end trace
>>> f6bf47010230a3ea ]---
>>> Jun 30 08:35:08 laptop kernel: [    5.249053] device: 'hwmon0': device_add
>>
>>
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> 
> 

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Martin Kepplinger June 30, 2014, 10:39 a.m. UTC | #5
back to aaeb2554337217dfa4eac2fcc90da7be540b9a73 as the first bad
commit. why is this not revertable exactly? how can I show a complete
list of commits this merge introduces?
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Martin Kepplinger July 24, 2014, 4:18 p.m. UTC | #6
Am 2014-06-30 12:39, schrieb Martin Kepplinger:
> back to aaeb2554337217dfa4eac2fcc90da7be540b9a73 as the first bad
> commit. why is this not revertable exactly? how can I show a complete
> list of commits this merge introduces?
> 

It seems that _nobody_ is running a simple 32 bit i915 (acer) laptop.
rc6 is still unusable. Black screen directly after kernel-loading. no
change since rc1.

Seems like I won't be able to use 3.16. I'm happy to test patches and am
happy for any advice what to do, when time permits.

                             martin
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Woody Suwalski July 24, 2014, 10:26 p.m. UTC | #7
Martin Kepplinger wrote:
> Am 2014-06-30 12:39, schrieb Martin Kepplinger:
>> back to aaeb2554337217dfa4eac2fcc90da7be540b9a73 as the first bad
>> commit. why is this not revertable exactly? how can I show a complete
>> list of commits this merge introduces?
>>
> It seems that _nobody_ is running a simple 32 bit i915 (acer) laptop.
> rc6 is still unusable. Black screen directly after kernel-loading. no
> change since rc1.
>
> Seems like I won't be able to use 3.16. I'm happy to test patches and am
> happy for any advice what to do, when time permits.
>
>                               martin
>
Martin, I am running happily a 32-bit kernel 3.16-rc*all on i915 (Asus 
EeePC)
However: from your postings I still have no idea what Intel video 
chipset is in your Acer.
Try to add "nomodeset=y" to your kernel's cmdline to verify that it can 
boot. You have many kobject messages which are hiding what is 
happening... And please submit at least full dmesg output and "lspci 
-nn" ;-)

Woody
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Felix Miata July 25, 2014, 1:57 a.m. UTC | #8
On 2014-07-24 18:18 (GMT+0200) Martin Kepplinger composed:

> schrieb Martin Kepplinger:

>> back to aaeb2554337217dfa4eac2fcc90da7be540b9a73 as the first bad
>> commit. why is this not revertable exactly? how can I show a complete
>> list of commits this merge introduces?

> It seems that _nobody_ is running a simple 32 bit i915 (acer) laptop.
> rc6 is still unusable. Black screen directly after kernel-loading. no
> change since rc1.
 
> Seems like I won't be able to use 3.16. I'm happy to test patches and am
> happy for any advice what to do, when time permits.
 
I keep seeing this thread's post come to me via the linux-media@vger.kernel.org
list with a bucketload of CCs, but don't know why. Is this a problem exclusive
to laptops? I have 32 bit 3.16rc6 working on a i915G desktop just fine NAICT
with KDE3 booting multi-user and running startx:

gx280:~ $ grep 'using VT' /var/log/Xorg.0.log
[   354.196] (--) using VT number 7
gx280:~ $ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL Integrated Graphics Controller (rev 04)
gx280:~ $ grep PRETTY /etc/os-release
PRETTY_NAME="openSUSE 20140721 (Harlequin) (i586)"
gx280:~ $ grep 'X.Org X Server' /var/log/Xorg.0.log
X.Org X Server 1.16.0
gx280:~ $ grep 'Current Operating System' /var/log/Xorg.0.log
[   354.177] Current Operating System: Linux gx280 3.16.0-rc6-1.ga0523f2-desktop #1 SMP PREEMPT Mon Jul 21 13:03:47 UTC 2014 (a0523f2) i686
gx280:~ $ grep 'Kernel Command Line' /var/log/Xorg.0.log
[   354.177] Kernel command line: root=LABEL=os132p20 ipv6.disable=1 noresume splash=verbose vga=791 video=1024x768@60 3
gx280:~ $ grep Output /var/log/Xorg.0.log | egrep -v 'disconnec|no monit' | grep -v 'nitor sect'
[   354.209] (--) intel(0): Output VGA1 using initial mode 1024x768 on pipe 0
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf.d/50-monitor.conf | grep DisplaySize
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf | grep DisplaySize
grep: /etc/X11/xorg.conf: No such file or directory
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf.d/50-monitor.conf | grep PreferredMode
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf | grep PreferredMode
grep: /etc/X11/xorg.conf: No such file or directory
gx280:~ $ grep -v ^\# /etc/X11/xinit/xinitrd.d/setup | grep xrandr
xrandr --dpi 120 --fb 1920x1200 --output VGA1 --mode 1600x1200 --panning 1920x1200 # intel analog
gx280:~ $ xrdb -query | grep dpi
gx280:~ $ xrandr | egrep 'onnect|creen|\*' | grep -v disconn | sort -r
VGA1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 388mm x 291mm panning 1920x1200+0+0
Screen 0: minimum 8 x 8, current 1920 x 1200, maximum 32767 x 32767
   1600x1200     85.00*   75.00    70.00    65.00    60.00
gx280:~ $ xdpyinfo | egrep 'dimen|ution'
  dimensions:    1920x1200 pixels (406x253 millimeters)
  resolution:    120x120 dots per inch

with KDE4 booting multi-user and running startx:
[   426.397] (++) using VT number 3
gx280:~ $ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL Integrated Graphics Controller (rev 04)
gx280:~ $ grep PRETTY /etc/os-release
PRETTY_NAME="Fedora 22 (Rawhide)"
gx280:~ $ grep 'X.Org X Server' /var/log/Xorg.0.log
X.Org X Server 1.15.99.904 (1.16.0 RC 4)
gx280:~ $ grep 'Current Operating System' /var/log/Xorg.0.log
[   425.910] Current Operating System: Linux gx280 3.16.0-0.rc6.git1.1.fc22.i686+PAE #1 SMP Tue Jul 22 13:57:53 UTC 2014 i686
gx280:~ $ grep 'Kernel Command Line' /var/log/Xorg.0.log
[   425.910] Kernel command line: root=LABEL=f22p22 ipv6.disable=1 net.ifnames=0 selinux=0 noplymouth noresume splash=verbose vga=791 video=1024x768@60 3
gx280:~ $ grep Output /var/log/Xorg.0.log | egrep -v 'disconnec|no monit' | grep -v 'nitor sect'
[   426.428] (--) intel(0): Output VGA1 using initial mode 1024x768 on pipe 0
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf.d/50-monitor.conf | grep DisplaySize
 DisplaySize    380 238 # 096 DPI @ 1440x0900
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf | grep DisplaySize
grep: /etc/X11/xorg.conf: No such file or directory
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf.d/50-monitor.conf | grep PreferredMode
gx280:~ $ grep -v ^\# /etc/X11/xorg.conf | grep PreferredMode
grep: /etc/X11/xorg.conf: No such file or directory
gx280:~ $ grep -v ^\# /etc/X11/xinit/xinitrd.d/setup | grep xrandr
xrandr --dpi 120 --output VGA1 --mode 1600x1200 # intel analog
gx280:~ $ xrdb -query | grep dpi
gx280:~ $ xrandr | egrep 'onnect|creen|\*' | grep -v disconn | sort -r
VGA1 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 388mm x 291mm
Screen 0: minimum 8 x 8, current 1600 x 1200, maximum 32767 x 32767
   1600x1200     85.00*   75.00    70.00    65.00    60.00
gx280:~ $ xdpyinfo | egrep 'dimen|ution'
  dimensions:    1600x1200 pixels (338x253 millimeters)
  resolution:    120x120 dots per inch

No unexpected black screens here.
  

Patch

--- a/arch/x86/kernel/signal.c	
+++ a/arch/x86/kernel/signal.c	
@@ -363,7 +363,7 @@  static int __setup_rt_frame(int sig, struct ksignal
*ksig,

 		/* Set up to return from userspace.  */
 		restorer = current->mm->context.vdso +
-			selected_vdso32->sym___kernel_sigreturn;
+			selected_vdso32->sym___kernel_rt_sigreturn;
 		if (ksig->ka.sa.sa_flags & SA_RESTORER)
 			restorer = ksig->ka.sa.sa_restorer;