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    SubjectRe: BUG() in asm/pci.h:142 with 2.4.13
    On Thu, Oct 25 2001, Christian Hammers wrote:
    > Hello
    >
    > My system crashed several times now with 2.4.11-pre6 and 2.4.13
    > (pre6 because it was the first one I got that fixed some 2GB RAM memory
    > allocation bug).
    >
    > 2.4.13 was the easiest one to reproduce: when starting the tape backup
    > to a HP DDS3/DAT Streamer (C1537A) via a Adaptec SCSI Controller
    > (Adaptec 7892A in /proc/pci) on a Gigabyte GA-6VTXD Dual Motherboard with
    > two PIII and 2GB of RAM it crashed immediately with the error attached
    > below. The machine was under "stresstest-simulation" load at this time.
    >
    > The tape_backup.pl uses the "mt" and "cpio" commands to access /dev/nst0.
    >
    > Maybe worth noting is, that the system crashed another time yesterday
    > after replacing the external SCSI RAID Chassis/Controller (not the
    > disks in it) and just this moment with another message (see below).

    Could you try this patch and see if it fixes the pci.h BUG at least?

    --
    Jens Axboe

    --- drivers/scsi/scsi_merge.c~ Thu Oct 25 12:15:35 2001
    +++ drivers/scsi/scsi_merge.c Thu Oct 25 12:16:20 2001
    @@ -943,6 +943,7 @@
    }
    count++;
    sgpnt[count - 1].address = bh->b_data;
    + sgpnt[count - 1].page = NULL;
    sgpnt[count - 1].length += bh->b_size;
    if (!dma_host) {
    SCpnt->request_bufflen += bh->b_size;
    \
     
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