BUG: unable to handle kernel NULL pointer dereference (i915_gem_object_put_pages_gtt)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Won't Fix
|
Medium
|
Unassigned |
Bug Description
I'm running the currently latest kernel 4.6.0-040600rc7
I know it's not a supported kernel, but I think this issue should be of interest to the maintainers. Otherwise so far this kernel has been doing great in terms of i915 stability.
Today I encountered a system lockup which appears to again be related to the i915 driver.
May 10 09:58:28 test kernel: [83105.890526] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
May 10 09:58:28 test kernel: [83105.890569] IP: [<ffffffff811a3
May 10 09:58:28 test kernel: [83105.890595] PGD 0
May 10 09:58:28 test kernel: [83105.890606] Oops: 0000 [#1] SMP
May 10 09:58:28 test kernel: [83105.890621] Modules linked in: msr acpi_call(OE) pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) drbg ansi_cprng ctr ccm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media snd_usb_audio snd_usbmidi_lib bnep btusb btrtl btbcm btintel bluetooth binfmt_misc nls_iso8859_1 arc4 snd_hda_codec_hdmi snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc snd_hda_
May 10 09:58:28 test kernel: [83105.891235] CPU: 3 PID: 49 Comm: kswapd0 Tainted: G B W OE 4.6.0-040600rc7
May 10 09:58:28 test kernel: [83105.891274] Hardware name: LENOVO 20F9CTO1WW/
May 10 09:58:28 test kernel: [83105.891316] task: ffff880502eb0000 ti: ffff880502eb8000 task.ti: ffff880502eb8000
May 10 09:58:28 test kernel: [83105.891351] RIP: 0010:[<
May 10 09:58:28 test kernel: [83105.891388] RSP: 0018:ffff880502
May 10 09:58:28 test kernel: [83105.891411] RAX: 0000000000000000 RBX: ffff8803391e7800 RCX: 0000000000000000
May 10 09:58:28 test kernel: [83105.891441] RDX: ffff8805028cc800 RSI: ffff880034c35000 RDI: ffff8803391e7800
May 10 09:58:28 test kernel: [83105.891471] RBP: ffff880502ebbb08 R08: 0000000000000000 R09: 0000000100190002
May 10 09:58:28 test kernel: [83105.891502] R10: ffff880035e95400 R11: 0000000000000200 R12: ffff880503a92640
May 10 09:58:28 test kernel: [83105.891531] R13: 0000160000000000 R14: ffff880503a92718 R15: ffff880503a92640
May 10 09:58:28 test kernel: [83105.891562] FS: 000000000000000
May 10 09:58:28 test kernel: [83105.891596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 10 09:58:28 test kernel: [83105.891620] CR2: 0000000000000018 CR3: 0000000410097000 CR4: 00000000003426e0
May 10 09:58:28 test kernel: [83105.891649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
May 10 09:58:28 test kernel: [83105.891679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
May 10 09:58:28 test kernel: [83105.891709] Stack:
May 10 09:58:28 test kernel: [83105.891719] ffff8803391e7800 ffff880502ebbb50 ffffffffc022220c ffff8800d1f52320
May 10 09:58:28 test kernel: [83105.891756] 00000c7a00000000 ffffffff00000001 000000000d2b7c23 ffff880503a92640
May 10 09:58:28 test kernel: [83105.891792] 0000000000000000 ffff880502ebbbb0 ffff880502ebbb70 ffffffffc021fc61
May 10 09:58:28 test kernel: [83105.891843] Call Trace:
May 10 09:58:28 test kernel: [83105.891891] [<ffffffffc0222
May 10 09:58:28 test kernel: [83105.891942] [<ffffffffc021f
May 10 09:58:28 test kernel: [83105.891990] [<ffffffffc0227
May 10 09:58:28 test kernel: [83105.892033] [<ffffffffc0227
May 10 09:58:28 test kernel: [83105.892064] [<ffffffff811ab
May 10 09:58:28 test kernel: [83105.892091] [<ffffffff811b0
May 10 09:58:28 test kernel: [83105.892115] [<ffffffff811b1
May 10 09:58:28 test kernel: [83105.892137] [<ffffffff811b1
May 10 09:58:28 test kernel: [83105.892168] [<ffffffff810a3
May 10 09:58:28 test kernel: [83105.892192] [<ffffffff81845
May 10 09:58:28 test kernel: [83105.892216] [<ffffffff810a3
May 10 09:58:28 test kernel: [83105.892244] Code: 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 7e 51 01 00 48 85 c0 74 30 48 8b 13 48 8b 40 68 f7 c2 00 00 02 00 <48> 8b 40 18 75 16 48 85 c0 48 c7 c2 e0 99 25 81 48 89 df 48 0f
May 10 09:58:28 test kernel: [83105.892438] RIP [<ffffffff811a3
May 10 09:58:28 test kernel: [83105.892466] RSP <ffff880502ebbb00>
May 10 09:58:28 test kernel: [83105.892482] CR2: 0000000000000018
May 10 09:58:28 test kernel: [83105.910242] ---[ end trace bdfcfa8d6f9571b2 ]---
Changed in linux (Ubuntu): | |
importance: | Undecided → Medium |
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1580072
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.