A page fault in subr_turnstile.c:propogate_priority()
Igor Sysoev
is at rambler-co.ru
Wed Dec 3 08:20:56 PST 2003
On Wed, 3 Dec 2003, John Baldwin wrote:
>
> On 03-Dec-2003 Igor Sysoev wrote:
> > On Wed, 3 Dec 2003, John Baldwin wrote:
> >
> >> On 03-Dec-2003 Brian F. Feldman wrote:
> >> > Igor Sysoev <is at rambler-co.ru> wrote:
> >> >> I'd cvsup'ed 5.1-CURRENT from 2003.11.04.02.02.00 up to
> >> >> 2003.11.28.00.00.00 with the turnstile support and it can still
> >> >> causes sometimes a page fault in propogate_priority().
> >> >> I have core dump and can send debug output.
> >> >
> >> > Go ahead and load up kernel.debug and the core dump in gdb -k, and show us
> >> > the backtrace. Also, do you have any idea about more specific circumstances
> >> > that will cause this problem? Thanks!
> >>
> >> Actually, please try http://www.FreeBSD.org/~jhb/patches/turnstile.patch
> >
> > I've applied patch.
> > Now it's a second fault.
>
> This is the same fault. Did you just apply this patch today or did
> you apply an earlier version of it a while ago? I just updated it
> two days ago.
In <Pine.BSF.4.21.0312031726420.24397-100000 at is> I sent trace before
the patch. It seems to me that it's singe fault.
Then I applied patch I saw the double fault. This trace I sent in
<Pine.BSF.4.21.0312031855400.24397-100000 at is>.
Igor Sysoev
http://sysoev.ru/en/
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