10.2-stable, zvol + ctld = crash

[mxb]

No core found, but system is configured to do that:

dumpdev="AUTO"
dumpdir="/var/crash”

Only minfree ascii file found.

> On 10 dec. 2015, at 17:52, Steven Hartland <killing at multiplay.co.uk> wrote:
> 
> 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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