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List:       freebsd-fs
Subject:    Re: 10.2-stable, zvol + ctld = crash
From:       Steven Hartland <killing () multiplay ! co ! uk>
Date:       2015-12-10 21:06:26
Message-ID: 5669E952.9080601 () multiplay ! co ! uk
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It should always run on boot, but if this is the first time the machine 
has been rebooted since the entry was added to rc.conf and 
/etc/rc.d/dumpdev start was not run manually you could see this.

If that's not the case may be worth checking /var/log/messages or the 
console if you have access to it to see if an error occurred preventing 
it from being read.

On 10/12/2015 20:50, mxb wrote:
> So my guess savecore was never called to extract core from swap?
> 
> 
> > On 10 dec. 2015, at 21:43, mxb <mxb@alumni.chalmers.se> wrote:
> > 
> > 
> > root@nas:~ # sysctl kern.shutdown.dumpdevname
> > kern.shutdown.dumpdevname: ada0p3
> > root@nas:~ #
> > 
> > > On 10 dec. 2015, at 18:35, Steven Hartland <killing@multiplay.co.uk> wrote:
> > > 
> > > dumpdev="AUTO" only works if you have swap configured.
> > > 
> > > You can if its properly configured with: sysctl kern.shutdown.dumpdevname, if \
> > > its blank then its not configured. 
> > > dumpdir defaults to /var/crash so no need to set that.
> > > 
> > > On 10/12/2015 17:16, mxb wrote:
> > > > 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@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@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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