WARNING: CPU: 0 PID: 1012 at /build/linux-pWDSBu/linux-3.13.0/include/drm/ttm/ttm_bo_driver.h:878 qxl_surface_id_alloc+0x37e/0x410 [qxl]()

[Vinson Lee]

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1012 at /build/linux-pWDSBu/linux-3.13.0/include/drm/ttm/ttm_bo_driver.h:878 qxl_surface_id_alloc+0x37e/0x410 [qxl]()
Modules linked in: snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi aesni_intel aes_x86_64 lrw gf128mul snd_seq glue_helper ablk_helper cryptd snd_seq_device snd_timer rfcomm bnep qxl bluetooth ttm drm_kms_helper serio_raw snd binfmt_misc mac_hid drm soundcore i2c_piix4 parport_pc ppdev lp parport psmouse pata_acpi floppy
CPU: 0 PID: 1012 Comm: Xorg Not tainted 3.13.0-164-generic #214-Ubuntu
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014
 0000000000000000 ffff880066bcfbf0 ffffffff8173c0c8 0000000000000000
 0000000000000009 ffff880066bcfc28 ffffffff8106db6d ffff8800368d9c00
 0000000000000397 ffff8800368d9c48 ffff880069740000 ffff880069740a90
Call Trace:
 [<ffffffff8173c0c8>] dump_stack+0x64/0x80
 [<ffffffff8106db6d>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff8106dc4a>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa018303e>] qxl_surface_id_alloc+0x37e/0x410 [qxl]
 [<ffffffffa01816e2>] qxl_bo_check_id+0x32/0x50 [qxl]
 [<ffffffffa018599c>] qxl_release_reserve_list+0x9c/0xe0 [qxl]
 [<ffffffffa0184eca>] qxl_execbuffer_ioctl+0x28a/0x8e0 [qxl]
 [<ffffffffa0072bd5>] drm_ioctl+0x4a5/0x640 [drm]
 [<ffffffff8118aec1>] ? do_mmap_pgoff+0x381/0x400
 [<ffffffff8132408b>] ? common_mmap+0x4b/0x60
 [<ffffffff811dc653>] do_vfs_ioctl+0x2e3/0x4d0
 [<ffffffff811dc8c1>] SyS_ioctl+0x81/0xa0
 [<ffffffff8174d37c>] system_call_fastpath+0x26/0x2b
---[ end trace b2f9eaa9fc130ca9 ]---

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1812889

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.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]