On 11/28/19 12:45 PM, Balsundar.P@xxxxxxxxxxxxx wrote: > NAK > > After applying this patch, while IOs were running on physical drive, > issued controller reset from management utility. > Observed below call trace. It is from scsi_device_quiesce(). > > Nov 27 19:24:21 ubuntu kernel: [ 1330.799311] INFO: task arcconf:2386 blocked for more than 120 seconds. > Nov 27 19:24:21 ubuntu kernel: [ 1330.799841] Not tainted 5.4.0-rc1+ #2 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800235] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Nov 27 19:24:21 ubuntu kernel: [ 1330.800678] arcconf D 0 2386 2173 0x00004000 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800682] Call Trace: > Nov 27 19:24:21 ubuntu kernel: [ 1330.800699] __schedule+0x291/0x6f0 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800703] schedule+0x33/0xa0 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800710] blk_mq_freeze_queue_wait+0x4b/0xb0 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800717] ? wait_woken+0x80/0x80 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800721] blk_mq_freeze_queue+0x1a/0x20 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800727] scsi_device_quiesce+0x5d/0xb0 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800730] scsi_host_quiesce+0x41/0x60 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800742] aac_send_shutdown+0x7c/0x180 [aacraid] > Nov 27 19:24:21 ubuntu kernel: [ 1330.800749] aac_reset_adapter+0x29f/0x760 [aacraid] > Nov 27 19:24:21 ubuntu kernel: [ 1330.800757] ? security_capable+0x3f/0x60 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800762] aac_store_reset_adapter+0x41/0x60 [aacraid] > Nov 27 19:24:21 ubuntu kernel: [ 1330.800770] dev_attr_store+0x17/0x30 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800777] sysfs_kf_write+0x3c/0x50 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800779] kernfs_fop_write+0x125/0x1a0 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800785] __vfs_write+0x1b/0x40 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800789] vfs_write+0xb1/0x1a0 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800792] ksys_write+0xa7/0xe0 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800795] __x64_sys_write+0x1a/0x20 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800802] do_syscall_64+0x57/0x190 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800806] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800810] RIP: 0033:0x7f67cfb7c2b7 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800819] Code: Bad RIP value. > Nov 27 19:24:21 ubuntu kernel: [ 1330.800821] RSP: 002b:00007ffeb23ca8c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800823] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f67cfb7c2b7 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800825] RDX: 0000000000000002 RSI: 00007ffeb23ca8f0 RDI: 0000000000000006 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800826] RBP: 00007ffeb23ca8f0 R08: 0000000000000000 R09: 0000000000000000 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800828] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 > Nov 27 19:24:21 ubuntu kernel: [ 1330.800829] R13: 00007ffeb23cad20 R14: 00007ffeb23cadf0 R15: 00007ffeb23cac60 > Thanks for testing. I'll have a look at the call trace and will come back to you with an updated version. Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), GF: Felix Imendörffer
