Date: Tue, 2 Jul 2002 19:31:38 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Andrew Gallatin <gallatin@cs.duke.edu>, freebsd-current@FreeBSD.ORG Subject: Re: KSE signal problems still Message-ID: <Pine.BSF.4.21.0207021931190.97650-100000@InterJet.elischer.org> In-Reply-To: <Pine.BSF.4.21.0207021840120.97650-100000@InterJet.elischer.org>
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ignore this Matt.. it was on ia32.
On Tue, 2 Jul 2002, Julian Elischer wrote:
> we seem pretty solid on ia32
> ^Z and then fg will sometimes kill teh process instead of forgrounding it
> though.
>
> (I aborted several buildworlds that way accidentally)
>
> Andrew's panic seems SMP specific though..
> you may check if there is somethign different between ia32 and alpha
> on whether it holds schedlock at this point:
>
>
> panic: mutex sched lock not owned at ../../../kern/subr_smp.c:126
> cpuid = 1; lapic.id = 01000000
> Debugger("panic")
> Stopped at Debugger+0x46: xchgl %ebx,in_Debugger.0
> db> where
> No such command
> db> tr
> Debugger(c02dbf5a) at Debugger+0x46
> panic(c02db1a8,c02db318,c02df736,7e,c4445540) at panic+0xd6
> _mtx_assert(c0315440,1,c02df736,7e) at _mtx_assert+0xa8
> forward_signal(c4445540) at forward_signal+0x1a
> tdsignal(c4445540,2,2) at tdsignal+0x182
> psignal(c443d558,2) at psignal+0x3c8
> pgsignal(c441ad00,2,1,c441ad1c,0) at pgsignal+0x63
> ttyinput(3,c41e8e30,c41e8e00,0,c0347903) at ttyinput+0x316
> ptcwrite(c4307a00,d7d5ec88,7f0011,1,d7d5ebc4) at ptcwrite+0x17f
> spec_write(d7d5ebf0,d7d5ec3c,c0204cc8,d7d5ebf0,7f0011) at spec_write+0x5a
> spec_vnoperate(d7d5ebf0) at spec_vnoperate+0x13
> vn_write(c41ded5c,d7d5ec88,c440cd80,0,c409e780) at vn_write+0x1c8
> dofilewrite(c409e780,c41ded5c,5,8088000,1) at dofilewrite+0xaf
> write(c409e780,d7d5ed14,3,b,282) at write+0x39
> syscall(2f,2f,2f,1,8073410) at syscall+0x23c
> syscall_with_err_pushed() at syscall_with_err_pushed+0x1b
> --- syscall (4, FreeBSD ELF, write), eip = 0x281fb3a3, esp =
> 0xbfbff37c, ebp = 0xbfbff3e8 ---
>
> I'm trying to test jeff's latest patch but got side tracked by hardware ..
>
>
>
> On Tue, 2 Jul 2002, Matthew Dillon wrote:
>
> > :...
> > : > > >
> > : > >
> > : > > This is nearly 100% for me. But only on MP boxes. On my uniprocessor
> > : > > alpha, things work just fine. Oh.. hmm.. I'm not sure if I have
> > : > > witless compiled in there..
> > : >
> > : > which is almost 100%,? the ^Z killing the process, or ^C killing the
> > : > machine?
> > :
> > :^C killing the machine.
> > :
> > :Drew
> >
> > How are we doing on IA32? I've successfully run 9 buildworld -j 5's
> > so far with a SMP build of -current. I'm going to run a bunch more
> > and then I'll switch to testing signals (a buildworld only generates 4 or
> > 5 signals over the entire build so it isn't a good test for signal-related
> > issues).
> >
> > -Matt
> > Matthew Dillon
> > <dillon@backplane.com>
> >
>
>
>
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