From: Dan Malek <dan@embeddededge.com>
To: Josh Green <jgreen@users.sourceforge.net>
Cc: linux-mips@linux-mips.org, Pete Popov <ppopov@embeddedalley.com>,
Herbert Valerio Riedel <hvr@hvrlab.org>
Subject: Re: iptables/vmalloc issues on alchemy
Date: Wed, 27 Apr 2005 15:06:00 -0400 [thread overview]
Message-ID: <4bf8c757c3a4d32177ab90b92eace823@embeddededge.com> (raw)
In-Reply-To: <1114627785.17008.21.camel@SillyPuddy.localdomain>
On Apr 27, 2005, at 2:49 PM, Josh Green wrote:
> ...... I was
> planning on doing some additional gdb debugging of the failure
> (especially the initial large MMAP attempt by iptables, which was 1.5GB
> in my case).
Oh wait .... I found a bug a while ago from someone trying to load
large modules. There is a problem if the kernel grows to need
additional PTE tables, the top level pointers don't get propagated
correctly and subsequent access by a thread that didn't actually
do the allocation would fail. I'm looking into this, including your
past message about 64-bit PTEs.
Thanks.
-- Dan
next prev parent reply other threads:[~2005-04-27 19:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-26 8:43 iptables/vmalloc issues on alchemy Herbert Valerio Riedel
2005-04-27 18:49 ` Josh Green
2005-04-27 19:06 ` Dan Malek [this message]
2005-04-28 5:06 ` Herbert Valerio Riedel
-- strict thread matches above, loose matches on Subject: below --
2005-04-28 20:11 Christian Gan
2005-04-28 20:11 ` Christian Gan
2005-04-28 20:56 ` Dan Malek
2005-04-28 20:56 ` Dan Malek
2005-04-28 21:22 Christian Gan
2005-04-28 21:22 ` Christian Gan
2005-04-28 22:16 ` Dan Malek
2005-04-28 22:16 ` Dan Malek
2005-04-28 23:52 ` Thiemo Seufer
2005-04-28 23:16 Christian Gan
2005-04-28 23:16 ` Christian Gan
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