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faux_driver vkms: [drm] vblank wait timed out on crtc 0
WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331, CPU#0: kworker/0:2/867
Modules linked in:
CPU: 0 UID: 0 PID: 867 Comm: kworker/0:2 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Workqueue: events drm_fb_helper_damage_work
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331
lr : drm_crtc_wait_one_vblank+0x408/0x440 drivers/gpu/drm/drm_vblank.c:1329
sp : ffff800094847820
x29: ffff8000948478d0 x28: dfff800000000000 x27: ffff0000c5fef880
x26: ffff800094847820 x25: dfff800000000000 x24: ffff700012908f04
x23: ffff800086f582a0 x22: ffff0000c709b000 x21: ffff800086fddc00
x20: ffff0000c70a6000 x19: 0000000000000000 x18: 1fffe00034bb7428
x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220
x14: ffff0001a5dba14c x13: 0000000000000001 x12: 0000000000000000
x11: ffff80008a5d1e28 x10: 0000000000000003 x9 : 120f309ecd9e6c00
x8 : 120f309ecd9e6c00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff800080157144
x2 : 0000000000000006 x1 : 0000000000000000 x0 : ffff0000c70a6000
Call trace:
 drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331 (P)
 drm_client_modeset_wait_for_vblank+0xc4/0xec drivers/gpu/drm/drm_client_modeset.c:1331
 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline]
 drm_fb_helper_damage_work+0x520/0xbc0 drivers/gpu/drm/drm_fb_helper.c:365
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838
irq event stamp: 353032
hardirqs last  enabled at (353031): [<ffff8000803b9390>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1673 [inline]
hardirqs last  enabled at (353031): [<ffff8000803b9390>] finish_lock_switch kernel/sched/core.c:5241 [inline]
hardirqs last  enabled at (353031): [<ffff8000803b9390>] finish_task_switch+0x234/0x858 kernel/sched/core.c:5359
hardirqs last disabled at (353032): [<ffff8000869055a8>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445
softirqs last  enabled at (353028): [<ffff800080310744>] softirq_handle_end kernel/softirq.c:468 [inline]
softirqs last  enabled at (353028): [<ffff800080310744>] handle_softirqs+0xc28/0xd98 kernel/softirq.c:650
softirqs last disabled at (353023): [<ffff8000800204c0>] __do_softirq+0x14/0x20 kernel/softirq.c:656
---[ end trace 0000000000000000 ]---
page_pool_release_retry() stalled pool shutdown: id 83, 34 inflight 60 sec