----- Original Message ----- > From: "Bart Van Assche" <bvanassche@xxxxxxx> > To: "Laurence Oberman" <loberman@xxxxxxxxxx> > Cc: "Mike Snitzer" <snitzer@xxxxxxxxxx>, dm-devel@xxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx > Sent: Sunday, August 7, 2016 6:31:11 PM > Subject: Re: [dm-devel] dm-mq and end_clone_request() > > On 08/06/16 07:47, Laurence Oberman wrote: > > [66813.933246] Workqueue: srp_remove srp_remove_work [ib_srp] > > [ ... ] > > [66815.152051] [<ffffffff814ac790>] scsi_forget_host+0x60/0x70 > > [66815.183939] [<ffffffff814a0137>] scsi_remove_host+0x77/0x110 > > [66815.216152] [<ffffffffa0677be0>] srp_remove_work+0x90/0x200 [ib_srp] > > [66815.253221] [<ffffffff810a2e72>] process_one_work+0x152/0x400 > > [66815.286221] [<ffffffff810a3765>] worker_thread+0x125/0x4b0 > > [66815.317313] [<ffffffff810a3640>] ? rescuer_thread+0x380/0x380 > > [66815.349770] [<ffffffff810a9298>] kthread+0xd8/0xf0 > > [66815.376082] [<ffffffff816c6b3f>] ret_from_fork+0x1f/0x40 > > [66815.404767] [<ffffffff810a91c0>] ? kthread_park+0x60/0x60 > > Hello Laurence, > > This is a callstack I have not yet encountered myself during any test. > Please provide the output of the following commands: > $ gdb /lib/modules/$(uname -r)/build/vmlinux > (gdb) list *(scsi_forget_host+0x60) > > Thanks, > > Bart. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > [loberman@jumptest1 linux]$ gdb vmlinux GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /home/loberman/bart/linux/vmlinux...done. (gdb) list *(scsi_forget_host+0x60) 0xffffffff814ac790 is in scsi_forget_host (drivers/scsi/scsi_scan.c:1895). 1890 list_for_each_entry(sdev, &shost->__devices, siblings) { 1891 if (sdev->sdev_state == SDEV_DEL) 1892 continue; 1893 spin_unlock_irqrestore(shost->host_lock, flags); 1894 __scsi_remove_device(sdev); 1895 goto restart; 1896 } 1897 spin_unlock_irqrestore(shost->host_lock, flags); 1898 } 1899 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
