build(deps): bump urllib3 from 2.0.7 to 2.2.2 in /drivers/gpu/drm/ci/xfails #19
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Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.0.7 to 2.2.2. - [Release notes](https://github.com/urllib3/urllib3/releases) - [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst) - [Commits](urllib3/urllib3@2.0.7...2.2.2) --- updated-dependencies: - dependency-name: urllib3 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]>
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This commit addresses a circular locking dependency issue within the GFX isolation mechanism. The problem was identified by a warning indicating a potential deadlock due to inconsistent lock acquisition order. - The `amdgpu_gfx_enforce_isolation_ring_begin_use` and `amdgpu_gfx_enforce_isolation_ring_end_use` functions previously acquired `enforce_isolation_mutex` and called `amdgpu_gfx_kfd_sch_ctrl`, leading to potential deadlocks. ie., If `amdgpu_gfx_kfd_sch_ctrl` is called while `enforce_isolation_mutex` is held, and `amdgpu_gfx_enforce_isolation_handler` is called while `kfd_sch_mutex` is held, it can create a circular dependency. By ensuring consistent lock usage, this fix resolves the issue: [ 606.297333] ====================================================== [ 606.297343] WARNING: possible circular locking dependency detected [ 606.297353] 6.10.0-amd-mlkd-610-311224-lof #19 Tainted: G OE [ 606.297365] ------------------------------------------------------ [ 606.297375] kworker/u96:3/3825 is trying to acquire lock: [ 606.297385] ffff9aa64e431cb8 ((work_completion)(&(&adev->gfx.enforce_isolation[i].work)->work)){+.+.}-{0:0}, at: __flush_work+0x232/0x610 [ 606.297413] but task is already holding lock: [ 606.297423] ffff9aa64e432338 (&adev->gfx.kfd_sch_mutex){+.+.}-{3:3}, at: amdgpu_gfx_kfd_sch_ctrl+0x51/0x4d0 [amdgpu] [ 606.297725] which lock already depends on the new lock. [ 606.297738] the existing dependency chain (in reverse order) is: [ 606.297749] -> #2 (&adev->gfx.kfd_sch_mutex){+.+.}-{3:3}: [ 606.297765] __mutex_lock+0x85/0x930 [ 606.297776] mutex_lock_nested+0x1b/0x30 [ 606.297786] amdgpu_gfx_kfd_sch_ctrl+0x51/0x4d0 [amdgpu] [ 606.298007] amdgpu_gfx_enforce_isolation_ring_begin_use+0x2a4/0x5d0 [amdgpu] [ 606.298225] amdgpu_ring_alloc+0x48/0x70 [amdgpu] [ 606.298412] amdgpu_ib_schedule+0x176/0x8a0 [amdgpu] [ 606.298603] amdgpu_job_run+0xac/0x1e0 [amdgpu] [ 606.298866] drm_sched_run_job_work+0x24f/0x430 [gpu_sched] [ 606.298880] process_one_work+0x21e/0x680 [ 606.298890] worker_thread+0x190/0x350 [ 606.298899] kthread+0xe7/0x120 [ 606.298908] ret_from_fork+0x3c/0x60 [ 606.298919] ret_from_fork_asm+0x1a/0x30 [ 606.298929] -> #1 (&adev->enforce_isolation_mutex){+.+.}-{3:3}: [ 606.298947] __mutex_lock+0x85/0x930 [ 606.298956] mutex_lock_nested+0x1b/0x30 [ 606.298966] amdgpu_gfx_enforce_isolation_handler+0x87/0x370 [amdgpu] [ 606.299190] process_one_work+0x21e/0x680 [ 606.299199] worker_thread+0x190/0x350 [ 606.299208] kthread+0xe7/0x120 [ 606.299217] ret_from_fork+0x3c/0x60 [ 606.299227] ret_from_fork_asm+0x1a/0x30 [ 606.299236] -> #0 ((work_completion)(&(&adev->gfx.enforce_isolation[i].work)->work)){+.+.}-{0:0}: [ 606.299257] __lock_acquire+0x16f9/0x2810 [ 606.299267] lock_acquire+0xd1/0x300 [ 606.299276] __flush_work+0x250/0x610 [ 606.299286] cancel_delayed_work_sync+0x71/0x80 [ 606.299296] amdgpu_gfx_kfd_sch_ctrl+0x287/0x4d0 [amdgpu] [ 606.299509] amdgpu_gfx_enforce_isolation_ring_begin_use+0x2a4/0x5d0 [amdgpu] [ 606.299723] amdgpu_ring_alloc+0x48/0x70 [amdgpu] [ 606.299909] amdgpu_ib_schedule+0x176/0x8a0 [amdgpu] [ 606.300101] amdgpu_job_run+0xac/0x1e0 [amdgpu] [ 606.300355] drm_sched_run_job_work+0x24f/0x430 [gpu_sched] [ 606.300369] process_one_work+0x21e/0x680 [ 606.300378] worker_thread+0x190/0x350 [ 606.300387] kthread+0xe7/0x120 [ 606.300396] ret_from_fork+0x3c/0x60 [ 606.300406] ret_from_fork_asm+0x1a/0x30 [ 606.300416] other info that might help us debug this: [ 606.300428] Chain exists of: (work_completion)(&(&adev->gfx.enforce_isolation[i].work)->work) --> &adev->enforce_isolation_mutex --> &adev->gfx.kfd_sch_mutex [ 606.300458] Possible unsafe locking scenario: [ 606.300468] CPU0 CPU1 [ 606.300476] ---- ---- [ 606.300484] lock(&adev->gfx.kfd_sch_mutex); [ 606.300494] lock(&adev->enforce_isolation_mutex); [ 606.300508] lock(&adev->gfx.kfd_sch_mutex); [ 606.300521] lock((work_completion)(&(&adev->gfx.enforce_isolation[i].work)->work)); [ 606.300536] *** DEADLOCK *** [ 606.300546] 5 locks held by kworker/u96:3/3825: [ 606.300555] #0: ffff9aa5aa1f5d58 ((wq_completion)comp_1.1.0){+.+.}-{0:0}, at: process_one_work+0x3f5/0x680 [ 606.300577] #1: ffffaa53c3c97e40 ((work_completion)(&sched->work_run_job)){+.+.}-{0:0}, at: process_one_work+0x1d6/0x680 [ 606.300600] #2: ffff9aa64e463c98 (&adev->enforce_isolation_mutex){+.+.}-{3:3}, at: amdgpu_gfx_enforce_isolation_ring_begin_use+0x1c3/0x5d0 [amdgpu] [ 606.300837] #3: ffff9aa64e432338 (&adev->gfx.kfd_sch_mutex){+.+.}-{3:3}, at: amdgpu_gfx_kfd_sch_ctrl+0x51/0x4d0 [amdgpu] [ 606.301062] #4: ffffffff8c1a5660 (rcu_read_lock){....}-{1:2}, at: __flush_work+0x70/0x610 [ 606.301083] stack backtrace: [ 606.301092] CPU: 14 PID: 3825 Comm: kworker/u96:3 Tainted: G OE 6.10.0-amd-mlkd-610-311224-lof #19 [ 606.301109] Hardware name: Gigabyte Technology Co., Ltd. X570S GAMING X/X570S GAMING X, BIOS F7 03/22/2024 [ 606.301124] Workqueue: comp_1.1.0 drm_sched_run_job_work [gpu_sched] [ 606.301140] Call Trace: [ 606.301146] <TASK> [ 606.301154] dump_stack_lvl+0x9b/0xf0 [ 606.301166] dump_stack+0x10/0x20 [ 606.301175] print_circular_bug+0x26c/0x340 [ 606.301187] check_noncircular+0x157/0x170 [ 606.301197] ? register_lock_class+0x48/0x490 [ 606.301213] __lock_acquire+0x16f9/0x2810 [ 606.301230] lock_acquire+0xd1/0x300 [ 606.301239] ? __flush_work+0x232/0x610 [ 606.301250] ? srso_alias_return_thunk+0x5/0xfbef5 [ 606.301261] ? mark_held_locks+0x54/0x90 [ 606.301274] ? __flush_work+0x232/0x610 [ 606.301284] __flush_work+0x250/0x610 [ 606.301293] ? __flush_work+0x232/0x610 [ 606.301305] ? __pfx_wq_barrier_func+0x10/0x10 [ 606.301318] ? mark_held_locks+0x54/0x90 [ 606.301331] ? srso_alias_return_thunk+0x5/0xfbef5 [ 606.301345] cancel_delayed_work_sync+0x71/0x80 [ 606.301356] amdgpu_gfx_kfd_sch_ctrl+0x287/0x4d0 [amdgpu] [ 606.301661] amdgpu_gfx_enforce_isolation_ring_begin_use+0x2a4/0x5d0 [amdgpu] [ 606.302050] ? srso_alias_return_thunk+0x5/0xfbef5 [ 606.302069] amdgpu_ring_alloc+0x48/0x70 [amdgpu] [ 606.302452] amdgpu_ib_schedule+0x176/0x8a0 [amdgpu] [ 606.302862] ? drm_sched_entity_error+0x82/0x190 [gpu_sched] [ 606.302890] amdgpu_job_run+0xac/0x1e0 [amdgpu] [ 606.303366] drm_sched_run_job_work+0x24f/0x430 [gpu_sched] [ 606.303388] process_one_work+0x21e/0x680 [ 606.303409] worker_thread+0x190/0x350 [ 606.303424] ? __pfx_worker_thread+0x10/0x10 [ 606.303437] kthread+0xe7/0x120 [ 606.303449] ? __pfx_kthread+0x10/0x10 [ 606.303463] ret_from_fork+0x3c/0x60 [ 606.303476] ? __pfx_kthread+0x10/0x10 [ 606.303489] ret_from_fork_asm+0x1a/0x30 [ 606.303512] </TASK> v2: Refactor lock handling to resolve circular dependency (Alex) - Introduced a `sched_work` flag to defer the call to `amdgpu_gfx_kfd_sch_ctrl` until after releasing `enforce_isolation_mutex`. - This change ensures that `amdgpu_gfx_kfd_sch_ctrl` is called outside the critical section, preventing the circular dependency and deadlock. - The `sched_work` flag is set within the mutex-protected section if conditions are met, and the actual function call is made afterward. - This approach ensures consistent lock acquisition order. Fixes: afefd6f ("drm/amdgpu: Implement Enforce Isolation Handler for KGD/KFD serialization") Cc: Christian König <[email protected]> Cc: Alex Deucher <[email protected]> Signed-off-by: Srinivasan Shanmugam <[email protected]> Suggested-by: Alex Deucher <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]> (cherry picked from commit 0b6b2dd38336d5fd49214f0e4e6495e658e3ab44) Cc: [email protected]
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Bumps urllib3 from 2.0.7 to 2.2.2.
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