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

["Chirag Kantharia \(via DragonFly issue tracker\)" <sinknull@xxxxxxxxxxxxxxxxxxxxx>]

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
. ..


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

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DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue2032>
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Attachment: core.txt.10
Description: Binary data