[Bug 85558] New: linux-3.17.1 oops upon closing X

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85558

            Bug ID: 85558
           Summary: linux-3.17.1 oops upon closing X
           Product: DRI
           Version: XOrg CVS
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: freedesktop at h.totakura.in
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Observed a hang-up with linux-3.17.1 when my X session was terminated.  The
following trace was printed to dmesg before the hang-up:

Oct 28 14:50:17 iris kernel: general protection fault: 0000 [#1] PREEMPT SMP 
Oct 28 14:50:17 iris kernel: Modules linked in: uas usb_storage ctr ccm fuse
bnep snd_usb_audio snd_usbmidi_lib snd_r
Oct 28 14:50:17 iris kernel:  snd mei_me shpchp soundcore mei pps_core lpc_ich
processor vboxdrv(O) acpi_call(O) ext4
Oct 28 14:50:17 iris kernel: CPU: 3 PID: 30136 Comm: Xorg.bin Tainted: G       
W  O   3.17.1-1-ARCH #1
Oct 28 14:50:17 iris kernel: Hardware name: LENOVO 20AQS00600/20AQS00600, BIOS
GJET79WW (2.29 ) 09/03/2014
Oct 28 14:50:17 iris kernel: task: ffff8800aadd0000 ti: ffff88026e378000
task.ti: ffff88026e378000
Oct 28 14:50:17 iris kernel: RIP: 0010:[<ffffffffa0571735>] 
[<ffffffffa0571735>] intel_crtc_set_config+0x2d5/0xef0 [
Oct 28 14:50:17 iris kernel: RSP: 0018:ffff88026e37b9e0  EFLAGS: 00010206
Oct 28 14:50:17 iris kernel: RAX: 03b9dc000023e700 RBX: 0000000000000000 RCX:
ffff8803179b6c00
Oct 28 14:50:17 iris kernel: RDX: 0000000000000000 RSI: 0000000000000001 RDI:
ffff8803279887e0
Oct 28 14:50:17 iris kernel: RBP: ffff88026e37ba50 R08: ffff880037683000 R09:
ffff88003705fb38
Oct 28 14:50:17 iris kernel: R10: ffff88003705fb68 R11: ffff88003705f800 R12:
ffff8803279888c0
Oct 28 14:50:17 iris kernel: R13: ffff88003705fb08 R14: ffff88032c2d5d30 R15:
0000000000000000
Oct 28 14:50:17 iris kernel: FS:  00007f15f03a88c0(0000)
GS:ffff88033f2c0000(0000) knlGS:0000000000000000
Oct 28 14:50:17 iris kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 28 14:50:17 iris kernel: CR2: 00007ffd9e70eca8 CR3: 00000000b6ef7000 CR4:
00000000001407e0
Oct 28 14:50:17 iris kernel: Stack:
Oct 28 14:50:17 iris kernel:  0000000000000001 ffff88003705fb68
ffff88032c2d5cf8 ffff88003705fb68
Oct 28 14:50:17 iris kernel:  ffff88003705fb38 ffff88003705f800
0000000000000000 0000000000000000
Oct 28 14:50:17 iris kernel:  ffff880037683000 ffff88032c31ea80
0000000000000002 ffff880037683000
Oct 28 14:50:17 iris kernel: Call Trace:
Oct 28 14:50:17 iris kernel:  [<ffffffffa0428324>]
drm_mode_set_config_internal+0x64/0xe0 [drm]
Oct 28 14:50:17 iris kernel:  [<ffffffffa049c1a3>] restore_fbdev_mode+0xb3/0xe0
[drm_kms_helper]
Oct 28 14:50:17 iris kernel:  [<ffffffffa049c1f3>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helpe
Oct 28 14:50:17 iris kernel:  [<ffffffffa049e418>]
drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper]
Oct 28 14:50:17 iris kernel:  [<ffffffffa057d08a>]
intel_fbdev_set_par+0x1a/0x60 [i915]
Oct 28 14:50:17 iris kernel:  [<ffffffff81316690>] fb_set_var+0x190/0x420
Oct 28 14:50:17 iris kernel:  [<ffffffff8115b843>] ?
free_hot_cold_page_list+0x43/0xc0
Oct 28 14:50:17 iris kernel:  [<ffffffff8130cd19>] fbcon_blank+0x259/0x340
Oct 28 14:50:17 iris kernel:  [<ffffffff81385d1a>] do_unblank_screen+0xaa/0x1d0
Oct 28 14:50:17 iris kernel:  [<ffffffff8137cec1>] vt_ioctl+0x13f1/0x1470
Oct 28 14:50:17 iris kernel:  [<ffffffff8137110d>] tty_ioctl+0x29d/0xc00
Oct 28 14:50:17 iris kernel:  [<ffffffff811dcf14>] ? dentry_free+0x34/0x40
Oct 28 14:50:17 iris kernel:  [<ffffffff811de44a>] ? __dentry_kill+0x17a/0x200
Oct 28 14:50:17 iris kernel:  [<ffffffff811e6ba8>] ?
mntput_no_expire+0x28/0x140
Oct 28 14:50:17 iris kernel:  [<ffffffff811da020>] do_vfs_ioctl+0x2d0/0x4b0
Oct 28 14:50:17 iris kernel:  [<ffffffff811e46ae>] ? __fget+0x6e/0xb0
Oct 28 14:50:17 iris kernel:  [<ffffffff811da281>] SyS_ioctl+0x81/0xa0
Oct 28 14:50:17 iris kernel:  [<ffffffff8153c829>]
system_call_fastpath+0x16/0x1b
Oct 28 14:50:17 iris kernel: Code: 48 eb 41 0f 1f 00 8b 81 0c 02 00 00 85 c0 75
56 83 c2 01 48 63 c2 48 39 c6 76 21 4
Oct 28 14:50:17 iris kernel: RIP  [<ffffffffa0571735>]
intel_crtc_set_config+0x2d5/0xef0 [i915]
Oct 28 14:50:17 iris kernel:  RSP <ffff88026e37b9e0>
Oct 28 14:50:17 iris kernel: ---[ end trace 4b9bce8764a5c33c ]---

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