Re: [issue2032] iwn panic: assertion: !IS_SERIALIZED((s)) in lwkt_serialize_enter

[Joe Talbott <josepht@xxxxxxxxxxxxxxxx>]

On Thu, Apr 14, 2011 at 03:27:09PM +0000, Chirag Kantharia (via DragonFly issue tracker) wrote:
> 
> Chirag Kantharia <chirag@kantharia.in> added the comment:
> 
> After updating my sources, I'm running into the following panic upon loading the
> iwn kernel module.
> 
> ...
> iwn0: <Intel(R) PRO/Wireless 4965BGN> mem 0xdf2fe000-0xdf2fffff irq 17 at device
> 0.0 on pci3
> iwn0: MIMO 2T3R, MoW1, address 00:21:5c:8f:ca:11
> iwn0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
> iwn0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
> iwn0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps
> 36Mbps 48Mbps 54Mbps
> wlan0: MAC address: 00:21:5c:8f:ca:11
> panic: vm_object_deallocate: object deallocated too many times: 0
> cpuid = 0
> Trace beginning at frame 0xffffffe01d3dfa70
> ...

Do you have the firmware module properly built?  It's failing trying to
unload the firmware it seems.  Please upload the core and kernel to leaf.

Thanks,
Joe
> 
> 
> I'm attaching the generated core.txt. Let me know if you need the vmcore/kern,
> as well.
> 
> Arch: x86_64
> Kernel config: X86_64_GENERIC_SMP
> 
> _____________________________________________________
> DragonFly issue tracker <bugs@lists.dragonflybsd.org>
> <http://bugs.dragonflybsd.org/issue2032>
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