From: David Miller <davem@davemloft.net>
To: sparclinux@vger.kernel.org
Subject: Re: kernel BUG at arch/sparc64/mm/fault.c:413!
Date: Fri, 26 Jan 2007 21:05:28 +0000 [thread overview]
Message-ID: <20070126.130528.130236097.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0701181328230.8124@pianoman.cluster.toy>
From: Vince Weaver <vince@deater.net>
Date: Fri, 26 Jan 2007 14:44:44 -0500 (EST)
>
> > Vince, I think I figured out what the bug is, can you test the
> > following patch? If we set %g5 with the fault address here, we have
> > to set %g4 too. This allows to correctly handle a DTLB-PROT trap for
> > a window spill during trap entry for another top-level fault. The
> > non-Niagara DTLB-PROT code does this properly, it's just the sun4v
> > side that had the bug.
>
> Great news! This fixes things. The gcc snapshot has been compiling now
> for over an hour without a problem, wheras before the bug would appear
> within seconds.
>
> Thanks for fixing this,
Awesome, thanks for testing.
prev parent reply other threads:[~2007-01-26 21:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-18 18:33 kernel BUG at arch/sparc64/mm/fault.c:413! Vince Weaver
2007-01-24 5:25 ` David Miller
2007-01-25 3:00 ` Vince Weaver
2007-01-25 22:02 ` David Miller
2007-01-25 23:26 ` David Miller
2007-01-25 23:48 ` David Miller
2007-01-26 3:21 ` Vince Weaver
2007-01-26 8:39 ` David Miller
2007-01-26 11:01 ` David Miller
2007-01-26 19:44 ` Vince Weaver
2007-01-26 21:05 ` David Miller [this message]
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