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Re: port-i386/40143: Crash in i386:doreti_checkast()
The following reply was made to PR port-i386/40143; it has been noted by GNATS.
From: Greg Oster <oster%cs.usask.ca@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc:
Subject: Re: port-i386/40143: Crash in i386:doreti_checkast()
Date: Sat, 28 Feb 2009 13:39:11 -0600
Greg Oster writes:
> The following reply was made to PR port-i386/40143; it has been noted by GNAT
> S.
>
> From: Greg Oster <oster%cs.usask.ca@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: drochner%netbsd.org@localhost
> Subject: Re: port-i386/40143: Crash in i386:doreti_checkast()
> Date: Sat, 28 Feb 2009 13:33:36 -0600
>
> scw%netbsd.org@localhost writes:
> > >Number: 40143
> > >Category: port-i386
> > >Synopsis: Viewing an mpeg transport stream with mplayer causes cras
> h
> > >Confidential: no
> > >Severity: serious
> > >Priority: medium
> > >Responsible: port-i386-maintainer
> > >State: open
> > >Class: sw-bug
> > >Submitter-Id: net
> > >Arrival-Date: Tue Dec 09 13:35:00 +0000 2008
> > >Originator: Steve Woodford
> > >Release: NetBSD 5.0_BETA
> > >Organization:
> > >Environment:
> > System: NetBSD joe.mctavish.co.uk 5.0_BETA NetBSD 5.0_BETA (JOE) #0: Tue D
> ec
> > 9 12:43:27 GMT 2008
> steve%mctavish.co.uk@localhost:/usr/src/sys/arch/i386/compile/JO
> E i
> > 386
> > Architecture: i386
> > Machine: i386
> > >Description:
> > I have a DVB-T card installed in an Ubuntu box which I use for occasional
> > streaming of broadcast video to my NetBSD workstation. The stream is
> > viewed using mplayer on NetBSD.
> >
> > I last used this set up some time before the netbsd-5 branch was cut and
> > it worked well. Now, however, shortly after starting mplayer the NetBSD
> > box panics. Due to having no desire to deliberately crash my NetBSD
> > workstation (raid parity rebuild takes forever), I've only tried to
> > reproduce this problem twice. On both occasions the panic occurred within
> > a few minutes of starting mplayer.
>
> I have been able to reliably reproduce this with:
>
> while (1)
> mplayer -ao null -vo null somefile.avi
> end
>
> and the box would keel over in a few minutes. However: after updating
> my -current kernel to have this fix:
>
> cvs rdiff -r1.142 -r1.143 src/sys/uvm/uvm_page.c
>
> I have been unable to reproduce the panic!!! (it's been 2 hours of
> pounding now, where before it only needed about 5 minutes...)
I'm reminded that I'm actually running with this one too:
cvs rdiff -r1.143 -r1.144 src/sys/uvm/uvm_page.c
(both of these should get pulled up to netbsd-5)
Later...
Greg Oster
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