Date: Mon, 02 Oct 2000 18:58:30 +0200 From: Mark Murray <mark@grondar.za> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: Mark Murray <mark@grondar.za>, freebsd-smp@FreeBSD.ORG Subject: Re: 2 panics with MP kernels Message-ID: <200010021658.e92GwUj01890@grimreaper.grondar.za> In-Reply-To: <200010021651.e92Gpml13396@troutmask.apl.washington.edu> ; from Steve Kargl <sgk@troutmask.apl.washington.edu> "Mon, 02 Oct 2000 09:51:48 MST." References: <200010021651.e92Gpml13396@troutmask.apl.washington.edu>
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> Mark Murray wrote:
> > > > Take out 'options USER_LDT' and 'device random' and you should be able
to
> > > > get -CURRENT running.
> > > >
> > >
> > > I can toss 'options USER_LDT', but isn't 'device random'
> > > now mandatory? The 20000710 entry in src/UPDATING suggests
> > > that crypto tools will break.
> >
> > The only unstableness about device random that I'm aware of is a
> > guaranteed panic if you try to unload the module. If its built in,
> > no problem.
> >
>
> If you can't find my original email, the panic message is
> below my .sig. This is for a MP kernel from a few days
> ago. The panic is probably in the new mutex code, but
> /dev/random starts the trace in db.
>
> --
> Steve
>
> panic: mutex_enter: MTX_DEF on MTX_SPIN mutex random harvest\
> @/usr/src/sys/modules/randomdev/../../dev/randomdev/yarrow.c:515
> cpuid = 1; lapic.id = 00000000
> Debugger("panic')
>
> CPU1 stopping CPUs: 0x00000001 stopped
> Stopped at Debugger+0x38: movb $0,in_Debugger.684
>
> db>trace
> Debugger(c0277da1)
> panic
> witness_enter
> _mtx_enter
> random_harvest_internal
> write_random
> random_write
> ufs_vnoperatespec
> vn_write
> dofilewrite
> write
> syscall2
> Xint0x80_syscall
>
>
>
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>
--
Mark Murray
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