igt@vgem_basic@dmabuf-export - abort - WARNING: possible circular locking dependency detected
Stderr
Starting subtest: dmabuf-export
Subtest dmabuf-export: SUCCESS (0.012s)
Dmesg
<3> [352.018893] =============================================================================
<4> [352.018909]
<4> [352.018910] ======================================================
<4> [352.018912] WARNING: possible circular locking dependency detected
<4> [352.018912] 6.8.0-rc6-drmtip_1517-g511ffdbe8863+ #1 Not tainted
<4> [352.018914] ------------------------------------------------------
<4> [352.018915] vgem_basic/1806 is trying to acquire lock:
<4> [352.018917] ffffffff82738ed8 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x30
<4> [352.018929]
but task is already holding lock:
<4> [352.018930] ffff8881000a7458 (&n->list_lock){-.-.}-{2:2}, at: ___slab_alloc+0xc7d/0x1980
<4> [352.018939]
which lock already depends on the new lock.
<4> [352.018939]
the existing dependency chain (in reverse order) is: