7.1RC1: system hang

[Guy Helmer]

Paul B. Mahol wrote:
> On 12/12/08, Guy Helmer <ghelmer at palisadesys.com> wrote:
>   
>> I have a recurring hang on FreeBSD 7.1 roughly-RC1 (releng_7_1 checkout
>> as of 2008-12-08) on a dual-CPU hyperthreaded Xeon i386.  I've dropped
>> into the kernel debugger on the VGA console and transcribed the
>> following information (if I omit anything critical, let me know -- the
>> machine is still sitting at the debugger prompt) :
>>
>>  > where
>> pid 20 tid 100018 td 0xc45008c0
>> kdb_enter_why
>> scgetc
>> sckdbevent
>> kdbmux_intr
>> kdbmux_kdb_intr
>> taskqueue_run
>> taskqueue_swi_giant_run
>> ithread_loop
>> fork_exit(c063cce0, c44ac590, e4a36d38) at 0xc063a624 = fork_exit+0x94
>> fork_trampoline() at 0xc07e41a0 = fork_trampoline+0x8
>>
>>  > show allpcpu
>> cpuid 0 in idle
>> cpuid 1: proc 23457
>> cpuid 2: idle
>> cpuid 3: swi6 proc 20
>>     
>
>
> what is proc 23457?
>   
proc 23457 is "filter", an Autonomy KeyView Filter API program (extracts 
text out of various document formats) that is being run using FreeBSD 6 
compatibility libraries.

Guy