10-stable sparc64 boot problems

[Chris Ross]

On Mar 24, 2014, at 17:38 , Kurt Lidl <lidl at pix.net> wrote:
>>  I just updated my 10-stable sparc64 (Sun Fire v240) to a 10-stable kernel from revision 263676, which was the first one I found after the numerous failures over the weekend in route6d.  Reboot into single-user for mergemaster and install world, I attempted to reboot into multi-user the first two attempts yielded:
>> 
>> Trying to mount root from zfs:zroot []...
>> Setting hostuuid: 94588820-cd20-11e1-b15b-0003bae34047.
>> Setting hostid: 0x4f9a5776.
>> Entropy harvesting: interrupts ethernet point_to_point swi.
>> Starting file system checks:
>> Mounting local file systems:.
>> Writing entropy file:.
>> Setting hostname: hostname.distal.com.
>> bge0: link state changed to DOWN
>> spin lock 0xc0c61cb0 (smp rendezvous) held by 0xfffff800054dcdb0 (tid 100328) too long
>> timeout stopping cpus
>> panic: spin lock held too long
>> cpuid = 1
>> KDB: stack backtrace:
>> #0 0xc051fcf0 at _mtx_lock_spin_failed+0x50

> Fbsd-head has been failing this way on my v240 for a while.
> I posted about it here:
> 
> http://lists.freebsd.org/pipermail/freebsd-sparc64/2014-March/009261.html
> 
> I didn't get a chance to trace it back to the point where it happened before my cpu fan failed. (I think I sent you mail about that when
> it occured.)  I've received the used fan I bought from someone on
> Ebay, but I haven't cracked open the machine to put the fan
> into operation.  I really need to do that.

  Has anyone else seen this?  Has anyone made any efforts on searching for what/where the problem is?  Are there non-v240 systems that are running on March -current and/or April -stable that are _not_ seeing this problem?

  Thanks.  Just a little worried that I have a production system running code I know to be a bit unstable....

                                         - Chris