FreeBSD 9.1 + Supermicro IPMI + reboot = kernel crash

[Alan Somers]

On Thu, Oct 23, 2014 at 2:59 AM, Mailing lists
<gprs at paladin.bulgarpress.com> wrote:
> Hi people,
> I've three machines - FreeBSD 9.1 (i386+amd64) - at reboot usually the
> kernel dump and therefore gmirror rebuilds, etc.
>
> After reboot - kldload show the module is inserted but /dev/ipmi* is not
> populated, kldunload + kldload of the module fixes the access +
> /dev/ipmi* population.
>
> Any ideas (except upgrade which I plan to 9.3 soon)?
>
> +Waiting (max 60 seconds) for system process `vnlru' to stop...done
> +Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
> +
> +Waiting (max 60 seconds) for system process `syncer' to stop...Syncing
> disks, vnodes remaining...9 Sleeping thread (tid 100093, pid 16) owns a
> non-sleepable lock
> +KDB: stack backtrace of thread 100093:
> +#0 0xffffffff808f3196 at mi_switch+0x186
> +#1 0xffffffff8092bfa2 at sleepq_wait+0x42
> +#2 0xffffffff808f3926 at _sleep+0x376
> +#3 0xffffffff81551227 at ipmi_submit_driver_request+0x97
> +#4 0xffffffff815519df at ipmi_set_watchdog+0xaf
> +#5 0xffffffff81551c8f at ipmi_wd_event+0x8f
> +#6 0xffffffff807bbdef at kern_do_pat+0x9f
> +#7 0xffffffff80984187 at sched_sync+0x1e7
> +#8 0xffffffff808bbe3f at fork_exit+0x11f
> +#9 0xffffffff80bc3d9e at fork_trampoline+0xe
> +panic: sleeping thread
> +cpuid = 0
> +KDB: stack backtrace:
> +#0 0xffffffff80920cf6 at kdb_backtrace+0x66
> +#1 0xffffffff808ead0e at panic+0x1ce
> +#2 0xffffffff8092f172 at propagate_priority+0x1d2
> +#3 0xffffffff8092fe9e at turnstile_wait+0x1be
> +#4 0xffffffff808d9198 at _mtx_lock_sleep+0xd8
> +#5 0xffffffff8097d9b3 at vn_syncer_add_to_worklist+0x143
> +#6 0xffffffff80981ac4 at reassignbuf+0xe4
> +#8 0xffffffff8096a232 at bdwrite+0x52
> +#7 0xffffffff809661c2 at bdirty+0x42
> +#9 0xffffffff80af4ba9 at ffs_freefile+0x269
> +#10 0xffffffff80b09711 at handle_workitem_freefile+0x101
> +#11 0xffffffff80b09ba7 at process_worklist_item+0x377
> +#12 0xffffffff80b0d8d6 at softdep_process_worklist+0x96
> +#13 0xffffffff80b0fee7 at softdep_flush+0x197
> +#14 0xffffffff808bbe3f at fork_exit+0x11f

You want to pull in r272366 from head and rebuild your kernel.  That
change hasn't yet been MFCd to stable/9, but I don't think you'll have
any trouble merging it.

https://svnweb.freebsd.org/base?view=revision&revision=272366

-Alan