Re: 2.4.26: kernel BUG at page_alloc.c:235\

[Jan Rychter]

>>>>> "Marcelo" == Marcelo Tosatti <marcelo.tosatti@xxxxxxxxxxxx> writes:
 Marcelo> On Mon, Jul 12, 2004 at 11:31:49PM -0700, Jan Rychter wrote:
 >> Linux 2.4.26 compiled with gcc-2.96 20000731 (RH7.1 2.96-85),
 >> running on an Athlon XP2200+ clocked at 1800MHz.
 >>
 >> Any ideas?

 Marcelo> Hi Jan,

 Marcelo> The BUG() is at rmqueue(), "if (PageLRU(page)) BUG".

 Marcelo> The same BUG has been seen before. The BUG means an LRU page
 Marcelo> was found in a zone's free list (this is not a valid thing to
 Marcelo> happen).

 Marcelo> This could be either a driver bug (which uses a page after
 Marcelo> freeing it, as wli smartly pointed out at the time) or faulty
 Marcelo> hardware, as it showed to be in that occasion.

 Marcelo> What drivers are you using 

8139too for networking, reiserfs and ext2 for filesystems. Not much
more, really. IDE drives. iptable_nat + ip_conntrack. TUN/TAP. That's
pretty much it.

 Marcelo> and, just as matter of "safety", have you ran memtest on this
 Marcelo> box?

Unfortunately, no -- and it isn't all that easy for me to do so (the box
is remotely hosted). I will try to do it...

--J.
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