> 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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