| Summary: | [abrt] [ INFO: possible recursive locking detected ] | ||||||
|---|---|---|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Kamil Páral <kparal> | ||||
| Component: | xorg-x11-drv-qxl | Assignee: | David Blechter <dblechte> | ||||
| Status: | CLOSED EOL | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 22 | CC: | dblechte, gansalmon, hdegoede, itamar, jonathan, kem, kernel-maint, madhu.chinakonda, marcandre.lureau, marcelo.barbosa, xgl-maint | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | abrt_hash:d8c4144d8f7dbd3552124b360712b426e2428372 | ||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2016-07-19 10:20:41 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Attachments: |
|
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Created attachment 793211 [details]
File: dmesg
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle. Changing version to '22'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora22 Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed. |
Additional info: reporter: libreport-2.1.6 [ INFO: possible recursive locking detected ] 3.11.0-0.rc7.git4.1.fc21.x86_64 #1 Not tainted --------------------------------------------- Xorg/4640 is trying to acquire lock: (reservation_ww_class_mutex){+.+.+.}, at: [<ffffffffa009af08>] qxl_surface_id_alloc+0x278/0x4d0 [qxl] but task is already holding lock: (reservation_ww_class_mutex){+.+.+.}, at: [<ffffffffa0086016>] ttm_eu_reserve_buffers+0x146/0x4c0 [ttm] other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(reservation_ww_class_mutex); lock(reservation_ww_class_mutex); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by Xorg/4640: #0: (reservation_ww_class_acquire){+.+.+.}, at: [<ffffffffa009d7ec>] qxl_release_reserve_list+0x3c/0xe0 [qxl] #1: (reservation_ww_class_mutex){+.+.+.}, at: [<ffffffffa0086016>] ttm_eu_reserve_buffers+0x146/0x4c0 [ttm] #2: (&qdev->surf_evict_mutex){+.+.+.}, at: [<ffffffffa009ad50>] qxl_surface_id_alloc+0xc0/0x4d0 [qxl] stack backtrace: CPU: 1 PID: 4640 Comm: Xorg Not tainted 3.11.0-0.rc7.git4.1.fc21.x86_64 #1 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 ffff880055bc8000 ffff880039d97a80 ffffffff817221a6 ffffffff825bf140 ffff880039d97b40 ffffffff810e8b2f 0000000000000001 ffff880039d97ac0 ffffffff810b7878 0000000000000000 00016e8b385ec2ce ffffffff82217500 Call Trace: [<ffffffff817221a6>] dump_stack+0x54/0x74 [<ffffffff810e8b2f>] __lock_acquire+0x1a0f/0x1b20 [<ffffffff810b7878>] ? sched_clock_cpu+0xa8/0x100 [<ffffffff810e9432>] lock_acquire+0xa2/0x1f0 [<ffffffffa009af08>] ? qxl_surface_id_alloc+0x278/0x4d0 [qxl] [<ffffffff81725957>] mutex_lock_interruptible_nested+0x87/0x460 [<ffffffffa009af08>] ? qxl_surface_id_alloc+0x278/0x4d0 [qxl] [<ffffffffa009af08>] ? qxl_surface_id_alloc+0x278/0x4d0 [qxl] [<ffffffffa009af08>] qxl_surface_id_alloc+0x278/0x4d0 [qxl] [<ffffffffa0099482>] qxl_bo_check_id+0x32/0x50 [qxl] [<ffffffffa009d84c>] qxl_release_reserve_list+0x9c/0xe0 [qxl] [<ffffffffa009cf24>] qxl_execbuffer_ioctl+0x284/0x730 [qxl] [<ffffffffa00253a2>] drm_ioctl+0x542/0x680 [drm] [<ffffffff81305256>] ? inode_has_perm.isra.49.constprop.65+0x56/0x80 [<ffffffff812046b5>] do_vfs_ioctl+0x305/0x530 [<ffffffff813056eb>] ? selinux_file_ioctl+0x5b/0x110 [<ffffffff81204961>] SyS_ioctl+0x81/0xa0 [<ffffffff81735099>] system_call_fastpath+0x16/0x1b