[Bug 98981] New: [i915] BUG on kernel 4.1-rc5, gma945

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=98981

            Bug ID: 98981
           Summary: [i915] BUG on kernel 4.1-rc5, gma945
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.1-rc5
          Hardware: i386
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tmezzadra at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

5 minutes after booting 4.1-rc5, the screen garbled. no input available. (X
crashed?).

this has not repeated again yet (2 days uptime with suspend in between)

xorg 1.17.1
kernel 4.1-rc5

lspc -vvnn: 
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML
and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) (prog-if
00 [VGA controller])
00:02.1 Display controller [0380]: Intel Corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller [8086:27a6] (rev 03)

distribution: Archlinux.



dmesg BUG ON:

----
[  377.915947] BUG: unable to handle kernel paging request at f80c0000
[  377.916113] IP: [<c130a117>] i965_write_entry+0x27/0x30
[  377.916235] *pde = 3583e067 *pte = 00000000 
[  377.916337] Oops: 0002 [#1] PREEMPT SMP 
[  377.916437] Modules linked in: fuse arc4 iTCO_wdt snd_hda_codec_si3054
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel ath5k
snd_hda_controller snd_hda_codec iTCO_vendor_support i2c_i801 coretemp 8139too
mac80211 snd_hwdep snd_pcm mii psmouse snd_timer ath snd cfg80211 lpc_ich
mfd_core thermal battery soundcore snd_hda_core ac evdev acpi_cpufreq processor
ext4 crc16 mbcache jbd2 sd_mod sr_mod cdrom ata_generic pata_acpi ata_piix
libata ehci_pci uhci_hcd scsi_mod ehci_hcd usbcore usb_common
[  377.916648] CPU: 0 PID: 539 Comm: Xorg Not tainted 4.1.0-rc5-git #71
[  377.916648] Hardware name: Everex Systems, Inc. Everex StepNote
Series/Everex StepNote Series, BIOS 080013  03/20/2007
[  377.916648] task: ebaa0000 ti: eb9d2000 task.ti: eb9d2000
[  377.916648] EIP: 0060:[<c130a117>] EFLAGS: 00210202 CPU: 0
[  377.916648] EIP is at i965_write_entry+0x27/0x30
[  377.916648] EAX: 3ac001e3 EBX: f8080000 ECX: 00000001 EDX: f80c0000
[  377.916648] ESI: c155f8c8 EDI: d7d6eee0 EBP: eb9d3b90 ESP: eb9d3b8c
[  377.916648]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[  377.916648] CR0: 8005003b CR2: f80c0000 CR3: 2b8a2000 CR4: 000007d0
[  377.916648] Stack:
[  377.916648]  0000c001 eb9d3b98 c130a12d eb9d3bc0 c130a385 d7d6efb0 00000000
00010000
[  377.916648]  00004000 000d7d6e d7ecc900 00010000 f5b84360 eb9d3bdc c13671fe
00004000
[  377.916648]  00000000 d7ecc900 00000000 00000001 eb9d3c58 c1368b62 00000000
00100000
[  377.916648] Call Trace:
[  377.916648]  [<c130a12d>] i830_write_entry+0xd/0x10
[  377.916648]  [<c130a385>] intel_gtt_insert_sg_entries+0x65/0xa0
[  377.916648]  [<c13671fe>] i915_ggtt_bind_vma+0x4e/0x70
[  377.916648]  [<c1368b62>] i915_vma_bind+0x32/0x430
[  377.916648]  [<c100995f>] ? nommu_map_sg+0x6f/0xb0
[  377.916648]  [<c13682bf>] ? i915_gem_gtt_prepare_object+0x7f/0xa0
[  377.916648]  [<c136f7ee>] i915_gem_object_do_pin+0x55e/0xb90
[  377.916648]  [<c136fe61>] i915_gem_object_pin+0x41/0x50
[  377.916648]  [<c136202f>] i915_gem_execbuffer_reserve_vma.isra.4+0x5f/0x150
[  377.916648]  [<c13623b9>] i915_gem_execbuffer_reserve+0x299/0x2f0
[  377.916648]  [<c116e37b>] ? __kmalloc+0x9b/0x260
[  377.916648]  [<c1362a49>] i915_gem_do_execbuffer.isra.7+0x639/0xf30
[  377.916648]  [<c116e37b>] ? __kmalloc+0x9b/0x260
[  377.916648]  [<c1364545>] ? i915_gem_execbuffer2+0x85/0x2c0
[  377.916648]  [<c1364601>] i915_gem_execbuffer2+0x141/0x2c0
[  377.916648]  [<c13644c0>] ? i915_gem_execbuffer+0x520/0x520
[  377.916648]  [<c1328a07>] drm_ioctl+0x137/0x530
[  377.916648]  [<c13644c0>] ? i915_gem_execbuffer+0x520/0x520
[  377.916648]  [<c143a708>] ? __sys_recvmsg+0x58/0x70
[  377.916648]  [<c13288d0>] ? drm_copy_field+0x60/0x60
[  377.916648]  [<c11925b2>] do_vfs_ioctl+0x2e2/0x500
[  377.916648]  [<c10b2b47>] ? hrtimer_start+0x27/0x30
[  377.916648]  [<c10b3ad6>] ? do_setitimer+0x126/0x220
[  377.916648]  [<c119b3d7>] ? __fget+0x57/0x90
[  377.916648]  [<c119b472>] ? __fget_light+0x22/0x50
[  377.916648]  [<c1192850>] SyS_ioctl+0x80/0x90
[  377.916648]  [<c15219ec>] sysenter_do_call+0x12/0x12
[  377.916648] Code: 00 00 00 00 55 89 e5 53 3e 8d 74 26 00 bb 07 00 00 00 81
f9 01 00 01 00 b9 01 00 00 00 0f 44 cb 8b 1d 18 db 87 c1 09 c8 8d 14 93 <89> 02
5b 5d c3 8d 74 26 00 55 89 e5 3e 8d 74 26 00 e8 c3 ff ff
[  377.916648] EIP: [<c130a117>] i965_write_entry+0x27/0x30 SS:ESP
0068:eb9d3b8c
[  377.916648] CR2: 00000000f80c0000
[  377.916648] ---[ end trace 3ad356dfc31a6616 ]---

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