* repeatable 2.6.39-rc6+ lockup on Via C3 system
@ 2011-05-06 21:31 Ben Greear
2011-05-06 22:25 ` Ben Greear
0 siblings, 1 reply; 2+ messages in thread
From: Ben Greear @ 2011-05-06 21:31 UTC (permalink / raw)
To: Linux Kernel Mailing List
I have a reproducible lockup on a Via C3 board (with kernel compiled for C3).
This kernel has some wireless patches and the slub fix from a few days ago.
Same kernel (compiled for P-II, SMP, pre-empt) works fine on an Atom system.
Shortly after the login prompt I see this on serial console:
BUG: spinlock lockup on CPU#0, net.hotplug/1899, f5a2c470
I tried enabling lockdep and saw no splats.
I'm not sure why there isn't more of a backtrace...
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: repeatable 2.6.39-rc6+ lockup on Via C3 system
2011-05-06 21:31 repeatable 2.6.39-rc6+ lockup on Via C3 system Ben Greear
@ 2011-05-06 22:25 ` Ben Greear
0 siblings, 0 replies; 2+ messages in thread
From: Ben Greear @ 2011-05-06 22:25 UTC (permalink / raw)
To: Linux Kernel Mailing List
On 05/06/2011 02:31 PM, Ben Greear wrote:
> I have a reproducible lockup on a Via C3 board (with kernel compiled for
> C3).
>
> This kernel has some wireless patches and the slub fix from a few days ago.
>
> Same kernel (compiled for P-II, SMP, pre-empt) works fine on an Atom
> system.
>
> Shortly after the login prompt I see this on serial console:
>
> BUG: spinlock lockup on CPU#0, net.hotplug/1899, f5a2c470
>
> I tried enabling lockdep and saw no splats.
>
> I'm not sure why there isn't more of a backtrace...
Nevermind..it printed out a stack trace the next time.
Bug is un-initialized spinlock in ath5k...I sent a patch to the wireless
mailing list...
Ben
>
> Thanks,
> Ben
>
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-05-06 21:31 repeatable 2.6.39-rc6+ lockup on Via C3 system Ben Greear
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