Has anyone seen this? I was running some xfstests today on current mainline (ran same tests yesterday and multiple times last week on 5.11 and did not see this) and hit this multiple times
[ 287.702292] ------------[ cut here ]------------ [ 287.702296] WARNING: CPU: 5 PID: 8223 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x2f7/0x350 [ttm] [ 287.702309] Modules linked in: cifs ccm md4 cmac nls_utf8 libarc4 libdes rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc crct10dif_pclmul crc32_pclmul ghash_clmulni_intel virtio_balloon ip_tables xfs qxl drm_ttm_helper ttm drm_kms_helper cec drm virtio_net net_failover floppy failover virtio_blk virtio_console crc32c_intel qemu_fw_cfg [last unloaded: cifs] [ 287.702352] CPU: 5 PID: 8223 Comm: kworker/5:50 Tainted: G W 5.11.0 #1 [ 287.702355] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011 [ 287.702357] Workqueue: events qxl_gc_work [qxl] [ 287.702362] RIP: 0010:ttm_bo_release+0x2f7/0x350 [ttm] [ 287.702367] Code: e9 6a fd ff ff e8 c9 e7 46 eb e9 92 fd ff ff 49 8b 7f 90 b9 30 75 00 00 31 d2 be 01 00 00 00 e8 1f 0b 47 eb 49 8b 47 e0 eb a1 <0f> 0b 49 8d 77 08 41 c7 87 94 00 00 00 00 00 00 00 31 d2 4c 89 f7 [ 287.702370] RSP: 0018:ffffb2c2c877fda8 EFLAGS: 00010202 [ 287.702372] RAX: 0000000000000001 RBX: 000000000000000c RCX: 000000000000000d [ 287.702373] RDX: 0000000000000001 RSI: 0000000000000246 RDI: ffffffffc035a0e8 [ 287.702374] RBP: ffff922102e4c688 R08: ffff92210f996050 R09: ffff922110ac5938 [ 287.702376] R10: 0000000000000000 R11: ffff922100469240 R12: ffff922110ac5e80 [ 287.702377] R13: ffff92210b5509d0 R14: ffff92210b550800 R15: ffff92210b550968 [ 287.702383] FS: 0000000000000000(0000) GS:ffff92252bd40000(0000) knlGS:0000000000000000 [ 287.702385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.702386] CR2: 000055617142e5d0 CR3: 0000000334610005 CR4: 00000000003706e0 [ 287.702400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.702401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.702403] Call Trace: [ 287.702408] qxl_bo_unref+0x3a/0x50 [qxl] [ 287.702414] qxl_release_free_list+0x49/0x90 [qxl] [ 287.702419] qxl_release_free+0x72/0xe0 [qxl] [ 287.702423] qxl_garbage_collect+0xd1/0x180 [qxl] [ 287.702427] process_one_work+0x1c0/0x390 [ 287.702438] worker_thread+0x30/0x390 [ 287.702441] ? process_one_work+0x390/0x390 [ 287.702444] kthread+0x117/0x130 [ 287.702448] ? kthread_park+0x90/0x90 [ 287.702450] ret_from_fork+0x22/0x30 [ 287.702457] ---[ end trace 03e19399d00180a1 ]--- [ 287.702539] ------------[ cut here ]------------ -- Thanks, Steve