In the last episode (Jul 10), Don Lewis said:
> On 10 Jul, Alex Zepeda wrote> After the rude awakening that I was after all running
>current, I've
> > finally turned on the WITNESS related options for my kernel (and boy is it
> > wickedly unstable as of now).
>
> I haven't had any instability problems in a while on my UP box.
>
> > Anyways.. is there any sort of list of
> > known warnings? I'm seeing a few consistantly relating to "pcm0:play:0",
> > "pcm0", "inp", "tcp", and "kernel linker". The pcm related ones are well
> > known, right?
>
> I don't have the pcm hardware. The only WITNESS message I consistently
> see is the kernel linker one.
>
> > The most recent one I'm seeing (that I'd never seen before) is this:
> >
> > ../../../vm/uma_core.c:1332: could sleep with "process lock" locked from
>../../../kern/kern_exec.c:332
>
> I haven't seen that one. If you can reproduce it, you might try setting
> the debug.witness_ddb sysctl to 1 and get a stack trace from ddb.
I see this one once every 10 seconds or so:
../../../vm/uma_core.c:1332: could sleep with "inp" locked from
../../../netinet/tcp_subr.c:935
../../../vm/uma_core.c:1332: could sleep with "tcp" locked from
../../../netinet/tcp_subr.c:928
--
Dan Nelson
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