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    SubjectRe: Kernel Memory Errors (Debian Woody 2.4.18-bf2.4)
    Hi David,

    On Tue, 12 Nov 2002, David Lloyd wrote:

    >
    > I am experiencing some strange behaviour with Debian Woody. I have
    > attached a log as plain text and the output of dmesg.
    >
    > I suspect it may be faulty RAM.

    Nah, it's most likely not telling you anything like that. Your log:

    Nov 12 09:08:41 lothlorien kernel: memory : ca174cd0
    Nov 12 09:08:41 lothlorien kernel: memory : 00000000
    Nov 12 09:08:41 lothlorien kernel: memory : ca174410
    Nov 12 09:08:42 lothlorien kdm[4949]: session start failed
    Nov 12 09:08:43 lothlorien kernel: memory : ca174cd0

    The giveaway is the space before the colon. Here's what I previously
    posted on this issue:

    ===================================8<===================================
    On Fri, 20 Sep 2002, Neale Banks wrote:
    >
    > Date: Fri, 20 Sep 2002 09:15:27 +1000 (EST)
    > From: Neale Banks <neale@lowendale.com.au>
    > To: linux-kernel@vger.kernel.org
    > Cc: Gustavo Lozano <glozano@noldata.com>
    > Subject: [PATCH 2.(2|4)] agpgart_fe printk is too terse
    >
    >
    > Appended patch against 2.4.20-pre4 fixes a (IMHO) way-too-terse printk in
    > drivers/char/agp/agpgart_fe.c
    >
    > Motivation is that when scrounging through syslog etc finding an entry
    > that simply says "memory : <value>" leaves rather too much to the
    > imagination (not to mention being interesting to grep out of the
    > source).
    >
    > This applies to 2.2 also (but has already been applied to 2.5).
    >
    > Thanks,
    > Neale.
    >
    > --- linux-2.4.20-pre4/drivers/char/agp/agpgart_fe.c Mon Aug 13 03:38:48 2001
    > +++ linux-2.4.20-pre4-ntb/drivers/char/agp/agpgart_fe.c Fri Sep 20 08:57:40 2002
    > @@ -301,7 +301,7 @@
    > agp_memory *memory;
    >
    > memory = agp_allocate_memory(pg_count, type);
    > - printk(KERN_DEBUG "memory : %p\n", memory);
    > + printk(KERN_DEBUG "agp_allocate_memory: %p\n", memory);
    > if (memory == NULL) {
    > return NULL;
    > }
    >
    ===================================8<===================================

    > This occurs ONLY when I am in a KDE kdm managed X session and press
    > ctrl+alt+f[1-6] to get to a virtual console. It's not always consistent
    > but that's when it's most likely to happen.
    >
    > X disappears from underneath me as well.

    Probably an X issue that's not relevant here.

    What's the video card?

    HTH,
    Neale.

    -
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