On Wed, 10 Mar 2021 18:48:06 +0900, Johannes Thumshirn wrote:
> Recent changes changed the completion of SCSI commands from Soft-IRQ
> context to IRQ context. This triggers the following warning, when we're
> completing writes to zoned block devices that go through the zone append
> emulation:
>
> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc2+ #2
> Hardware name: Supermicro Super Server/X10SRL-F, BIOS 2.0 12/17/2015
> RIP: 0010:__local_bh_disable_ip+0x3f/0x50
> RSP: 0018:ffff8883e1409ba8 EFLAGS: 00010006
> RAX: 0000000080010001 RBX: 0000000000000001 RCX: 0000000000000013
> RDX: ffff888129e4d200 RSI: 0000000000000201 RDI: ffffffff915b9dbd
> RBP: ffff888113e9a540 R08: ffff888113e9a540 R09: 00000000000077f0
> R10: 0000000000080000 R11: 0000000000000001 R12: ffff888129e4d200
> R13: 0000000000001000 R14: 00000000000077f0 R15: ffff888129e4d218
> FS: 0000000000000000(0000) GS:ffff8883e1400000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00007f2f8418ebc0 CR3: 000000021202a006 CR4: 00000000001706f0
> Call Trace:
> <IRQ>
> _raw_spin_lock_bh+0x18/0x40
> sd_zbc_complete+0x43d/0x1150
> sd_done+0x631/0x1040
> ? mark_lock+0xe4/0x2fd0
> ? provisioning_mode_store+0x3f0/0x3f0
> scsi_finish_command+0x31b/0x5c0
> _scsih_io_done+0x960/0x29e0 [mpt3sas]
> ? mpt3sas_scsih_scsi_lookup_get+0x1c7/0x340 [mpt3sas]
> ? __lock_acquire+0x166b/0x58b0
> ? _get_st_from_smid+0x4a/0x80 [mpt3sas]
> _base_process_reply_queue+0x23f/0x26e0 [mpt3sas]
> ? lock_is_held_type+0x98/0x110
> ? find_held_lock+0x2c/0x110
> ? mpt3sas_base_sync_reply_irqs+0x360/0x360 [mpt3sas]
> _base_interrupt+0x8d/0xd0 [mpt3sas]
> ? rcu_read_lock_sched_held+0x3f/0x70
> __handle_irq_event_percpu+0x24d/0x600
> handle_irq_event+0xef/0x240
> ? handle_irq_event_percpu+0x110/0x110
> handle_edge_irq+0x1f6/0xb60
> __common_interrupt+0x75/0x160
> common_interrupt+0x7b/0xa0
> </IRQ>
> asm_common_interrupt+0x1e/0x40
>
> [...]
Applied to 5.12/scsi-fixes, thanks!
[1/1] scsi: sd_zbc: update write pointer offset cache
https://git.kernel.org/mkp/scsi/c/2db4215f4755
--
Martin K. Petersen Oracle Linux Engineering
