Public bug reported: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 712 at /build/linux-hzKv5F/linux-4.0.0/include/drm/ttm/ttm_bo_driver.h:855 qxl_surface_id_alloc+0x2e9/0x3b0 [qxl]() Modules linked in: cfg80211 binfmt_misc kvm_intel kvm crct10dif_pclmul snd_hda_codec_generic crc32_pclmul ghash_clmulni_intel snd_hda_intel snd aesni_intel snd_hda_codec aes_x86_64 snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event lrw gf128mul snd_rawmidi serio_raw glue_helper ablk_help q snd_seq_device qxl ttm drm_kms_helper snd_timer drm snd i2c_piix4 mac_hid pvpanic 8250_fintek soundcore parport_pc ppdev lp parport autofs4 p ta_acpi CPU: 0 PID: 712 Comm: Xorg Not tainted 4.0.0-4-generic #7-Ubuntu Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20150306_163512-brownie 04/01/2014 ffffffffc0365668 ffff88007b4b3b68 ffffffff817d0fa0 0000000000000007 0000000000000000 ffff88007b4b3ba8 ffffffff81075b5a ffff880062cb95e0 ffff880068702000 0000000000000412 ffff880068702058 ffff88007a676000 Call Trace: [<ffffffff817d0fa0>] dump_stack+0x45/0x57 [<ffffffff81075b5a>] warn_slowpath_common+0x8a/0xc0 [<ffffffff81075c4a>] warn_slowpath_null+0x1a/0x20 [<ffffffffc03602f9>] qxl_surface_id_alloc+0x2e9/0x3b0 [qxl] [<ffffffffc035e9a4>] qxl_bo_check_id+0x34/0x50 [qxl] [<ffffffffc0362f63>] qxl_release_reserve_list+0xf3/0x120 [qxl] [<ffffffffc036261b>] qxl_process_single_command+0x54b/0x790 [qxl] [<ffffffffc036289f>] qxl_execbuffer_ioctl+0x3f/0xa0 [qxl] [<ffffffffc02b3b1f>] drm_ioctl+0x1df/0x680 [drm] [<ffffffff811acce0>] ? handle_mm_fault+0x330/0x560 [<ffffffff81209910>] do_vfs_ioctl+0x2e0/0x4e0 [<ffffffff810631b5>] ? trace_do_page_fault+0x45/0x100 [<ffffffff81209b91>] SyS_ioctl+0x81/0xa0 [<ffffffff817d7fcd>] system_call_fastpath+0x16/0x1b ---[ end trace d5efdc2555a18389 ]---
** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1475437 Title: kernel warning /build/linux- hzKv5F/linux-4.0.0/include/drm/ttm/ttm_bo_driver.h:855 qxl_surface_id_alloc Status in linux package in Ubuntu: New Bug description: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 712 at /build/linux-hzKv5F/linux-4.0.0/include/drm/ttm/ttm_bo_driver.h:855 qxl_surface_id_alloc+0x2e9/0x3b0 [qxl]() Modules linked in: cfg80211 binfmt_misc kvm_intel kvm crct10dif_pclmul snd_hda_codec_generic crc32_pclmul ghash_clmulni_intel snd_hda_intel snd aesni_intel snd_hda_codec aes_x86_64 snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event lrw gf128mul snd_rawmidi serio_raw glue_helper ablk_help q snd_seq_device qxl ttm drm_kms_helper snd_timer drm snd i2c_piix4 mac_hid pvpanic 8250_fintek soundcore parport_pc ppdev lp parport autofs4 p ta_acpi CPU: 0 PID: 712 Comm: Xorg Not tainted 4.0.0-4-generic #7-Ubuntu Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20150306_163512-brownie 04/01/2014 ffffffffc0365668 ffff88007b4b3b68 ffffffff817d0fa0 0000000000000007 0000000000000000 ffff88007b4b3ba8 ffffffff81075b5a ffff880062cb95e0 ffff880068702000 0000000000000412 ffff880068702058 ffff88007a676000 Call Trace: [<ffffffff817d0fa0>] dump_stack+0x45/0x57 [<ffffffff81075b5a>] warn_slowpath_common+0x8a/0xc0 [<ffffffff81075c4a>] warn_slowpath_null+0x1a/0x20 [<ffffffffc03602f9>] qxl_surface_id_alloc+0x2e9/0x3b0 [qxl] [<ffffffffc035e9a4>] qxl_bo_check_id+0x34/0x50 [qxl] [<ffffffffc0362f63>] qxl_release_reserve_list+0xf3/0x120 [qxl] [<ffffffffc036261b>] qxl_process_single_command+0x54b/0x790 [qxl] [<ffffffffc036289f>] qxl_execbuffer_ioctl+0x3f/0xa0 [qxl] [<ffffffffc02b3b1f>] drm_ioctl+0x1df/0x680 [drm] [<ffffffff811acce0>] ? handle_mm_fault+0x330/0x560 [<ffffffff81209910>] do_vfs_ioctl+0x2e0/0x4e0 [<ffffffff810631b5>] ? trace_do_page_fault+0x45/0x100 [<ffffffff81209b91>] SyS_ioctl+0x81/0xa0 [<ffffffff817d7fcd>] system_call_fastpath+0x16/0x1b ---[ end trace d5efdc2555a18389 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1475437/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp