ahd(4) reliable panic

[Justin T. Gibbs]

On May 31, 2013, at 12:57 PM, Sean Bruno <sean_bruno at yahoo.com> wrote:

> On Fri, 2013-05-31 at 09:23 -0600, Justin T. Gibbs wrote:
>> On May 31, 2013, at 9:12 AM, Sean Bruno <sean_bruno at yahoo.com> wrote:
>> 
>>> ports building seems to be able to panic ahd(4) pretty reliably.
>>> 
>>> 
>>>> db> whe
>>>> Tracing pid 12 tid 100040 td 0xfffffe0015b53000
>>>> ahd_freeze_devq() at ahd_freeze_devq+0x16/frame 0xffffff800039da60
>>>> ahd_handle_seqint() at ahd_handle_seqint+0xf11/frame 0xffffff800039db00
>>>> ahd_platform_intr() at ahd_platform_intr+0x242/frame 0xffffff800039db20
>>>> intr_event_execute_handlers() at intr_event_execute_handlers+0xfd/frame 0xffffff800039db50
>>>> ithread_loop() at ithread_loop+0x9b/frame 0xffffff800039dba0
>>>> fork_exit() at fork_exit+0x11f/frame 0xffffff800039dbf0
>>>> fork_trampoline() at fork_trampoline+0xe/frame 0xffffff800039dbf0
>>>> --- trap 0, rip = 0, rsp = 0xffffff800039dcb0, rbp = 0 ---
>>> 
>>> This looks like a symptom that was reported in a lot of PR reports.  
>>> 
>>> I'm assuming that I need more information?
>>> 
>>> Sean
>> 
>> The panic string would be useful.  So might the msgbuf output.
>> 
>> --
>> Justin
> 
> 
> Full dmesg from boot, then everything that melts down until the panic.  
> 
> http://people.freebsd.org/~sbruno/package12.log
> 
> sean

Can you attempt to reproduce this with AHD_REG_PRETTY_PRINT
enabled in your kernel?

Also, do you still have the panic string?

--
Justin
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