Re: Panic: mutex Giant not owned cam_xpt.c :4799

Sorry, this is a known error, I just haven't had time to work on it
yet.  I'll let you know when I have something available for testing.

Scott


Steve Brown wrote:
> 7.0-BETA1 seems to suffer the same fate.
> 
> 6.2-R still working fine on same hardware.
> 
> Steve
> 
> Steven Brown wrote:
>> Just decided to try out the 0907 snapshot of -CURRENT (amd64) and it 
>> won't boot off the install CD
>>
>> Thought I would post as much info as I could for interested parties. I 
>> have to copy by hand, so I will try to include as much as I can.
>>
>> panic: mutex Giant not owned at /usr/src/sys/cam/cam_xpt.c :4799
>>
>> This error occurs right after "md0: Preloaded image </boot/mfsroot> ....
>>
>> The motherboard is an Asus P5M2-R, with dual bge ethernets (on mb), a 
>> Adaptec 3405 SATA/SAS RAID PCI-e  card (aac driver), and has an Intel 
>> Q6600 quad core. 4GB of RAM. You will soon see why I included the 
>> information on the Adaptec card.
>>
>> This hardware works fine using 6.2-RELEASE p8 -- well, at least i386 
>> does. This system has a modified src/sys/dev/aac which includes the 
>> vendor ID info for the 3405/3805 cards and has no problems booting 
>> (and running), detecting Adaptec card, etc.
>>
>> I also have a CD with the same snapshot (CURRENT, 0907) in an i386 
>> version (not AMD64) which appears to produce the same error.
>>
>> Upon the panic, the system entered the debugger and I typed "trace" to 
>> get the following from AMD64 snapshot:
>>
>> Tracing pid 26 tid 100026 td 0xffffff0002245680
>> kdb_enter() at kdb_enter+0x31
>> panic() at panic+0x173
>> _mtx_assert() at _mtx_assert+0xd6
>> xpt_release_simq() at xpt_release_simq()+0x27
>> aac_alloc_commands() at aac_alloc_commands()+0x156
>> aac_command_thread() at aac_command_thread()+0xe5
>> fork_exit() at fork_exit+0x12a
>> fork_trampoline() at fork_trampoline()+0xe
>> --- trap 0, rip = 0, rsp = 0xffffffffac6fdd30, rbp = 0 ---
>>
>>
>> Hope this helps someone,
>>
>> Steve
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