On 6/27/18 1:55 PM, Bart Van Assche wrote: > This patch avoids that removing a path controlled by the dm-mpath driver > while mkfs is running triggers the following kernel bug: > > kernel BUG at block/blk-core.c:3347! > invalid opcode: 0000 [#1] PREEMPT SMP KASAN > CPU: 20 PID: 24369 Comm: mkfs.ext4 Not tainted 4.18.0-rc1-dbg+ #2 > RIP: 0010:blk_end_request_all+0x68/0x70 > Call Trace: > <IRQ> > dm_softirq_done+0x326/0x3d0 [dm_mod] > blk_done_softirq+0x19b/0x1e0 > __do_softirq+0x128/0x60d > irq_exit+0x100/0x110 > smp_call_function_single_interrupt+0x90/0x330 > call_function_single_interrupt+0xf/0x20 > </IRQ> Thanks Bart, applied for 4.18. -- Jens Axboe
