10.2-stable, zvol + ctld = crash

[Steven Hartland]

As a workaround you can disable TRIM:
sysctl vfs.zfs.trim.enabled=1

Could you get parameter details on args frame #6 and #8 from the kernel 
core please for further investigation please.

On 10/12/2015 16:41, mxb wrote:
> Hey,
> just got panic and reboot:
>
>
> Dec 10 17:22:32 nas kernel: panic: solaris assert: start < end, file: /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/trim_map.c, line: 219
> Dec 10 17:22:32 nas kernel: cpuid = 6
> Dec 10 17:22:32 nas kernel: KDB: stack backtrace:
> Dec 10 17:22:32 nas kernel: #0 0xffffffff80981be0 at kdb_backtrace+0x60
> Dec 10 17:22:32 nas kernel: #1 0xffffffff80945716 at vpanic+0x126
> Dec 10 17:22:32 nas kernel: #2 0xffffffff809455e3 at panic+0x43
> Dec 10 17:22:32 nas kernel: #3 0xffffffff81c931fd at assfail+0x1d
> Dec 10 17:22:32 nas kernel: #4 0xffffffff81a6cd01 at trim_map_segment_add+0x41
> Dec 10 17:22:32 nas kernel: #5 0xffffffff81a6c1ef at trim_map_free_locked+0x9f
> Dec 10 17:22:32 nas kernel: #6 0xffffffff81a6c128 at trim_map_free+0x98
> Dec 10 17:22:32 nas kernel: #7 0xffffffff819b8af0 at arc_release+0x100
> Dec 10 17:22:32 nas kernel: #8 0xffffffff819c1b27 at dbuf_dirty+0x357
> Dec 10 17:22:32 nas kernel: #9 0xffffffff819c90dc at dmu_write+0xfc
> Dec 10 17:22:32 nas kernel: #10 0xffffffff81a6900f at zvol_strategy+0x23f
> Dec 10 17:22:32 nas kernel: #11 0xffffffff81a67531 at zvol_geom_start+0x51
> Dec 10 17:22:32 nas kernel: #12 0xffffffff808a551e at g_io_request+0x38e
> Dec 10 17:22:32 nas kernel: #13 0xffffffff81e34d5d at ctl_be_block_dispatch_dev+0x20d
> Dec 10 17:22:32 nas kernel: #14 0xffffffff81e356fd at ctl_be_block_worker+0x5d
> Dec 10 17:22:32 nas kernel: #15 0xffffffff809901d5 at taskqueue_run_locked+0xe5
> Dec 10 17:22:32 nas kernel: #16 0xffffffff80990c68 at taskqueue_thread_loop+0xa8
> Dec 10 17:22:32 nas kernel: #17 0xffffffff8090f07a at fork_exit+0x9a
>
>
> This is FreeBSD 10.2-STABLE #0 r289883: Sat Oct 24 23:14:33 CEST 2015
>
> Any ideas?
>
> Several ZVOLs are exported to ESXi 6.x.
> LUN 2 was added, iSCSI configured on ESX and initiated, ctld restart.
>
> root at nas:~ # cat /etc/ctl.conf
>
> portal-group pg0 {
> 	discovery-auth-group no-authentication
> 	listen 0.0.0.0
> }
>
> target iqn.2015-03.com.unixconn:target0 {
> 	auth-group no-authentication
> 	portal-group pg0
>
> 	lun 0 {
> 		path /dev/zvol/zfspool/iscsi0
> 		size 250G
> 	}
>
> 	lun 1 {
> 		path /dev/zvol/zfspool/grey_timemachine0
> 		size 500G
> 	}
>
>    lun 2 {
>      path /dev/zvol/zfspool/vcenter
>      size 200G
>    }
>
> }
>
> //mxb
>
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