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    SubjectRe: SCSI problem on aic7xxx on L440GX+ using LinuxBIOS
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    Date
    Ronald G Minnich <rminnich@lanl.gov> writes:

    > Eric, here is the ksymoops (end of message) from that earlier failure. I'm
    > just wondering if anyone out there has seen anything like this. Also, if
    > anyone sees anything odd about the scsi configuration that would help too.
    >
    > Thanks in advance ...

    Ron. vger.rutgers.edu died a couple of months ago.
    vger.kernel.org is the new machine, the linux kernel mailing list is on.
    I'm forwarding this there. I don't know how much help we can
    get on a bug report against 2.4.0-test6 though.

    Eric

    >
    > ron
    > On 30 Nov 2000, Eric W. Biederman wrote:
    >
    > > Ronald G Minnich <rminnich@lanl.gov> writes:
    > >
    > > > This is 2.4.0-test6, on an L440GX, running linuxbios. The node comes up
    > > > and appears to run fine:
    > > > --------
    > > > (scsi0) <Adaptec AIC-7896/7 Ultra2 SCSI host adapter> found at PCI 0/12/0
    > > > (scsi0) Wide Channel A, SCSI ID=7, 32/255 SCBs
    > > > (scsi0) Downloading sequencer code... 392 instructions downloaded
    > > > (scsi1) <Adaptec AIC-7896/7 Ultra2 SCSI host adapter> found at PCI 0/12/1
    > > > (scsi1) Wide Channel B, SCSI ID=7, 32/255 SCBs
    > > > (scsi1) Downloading sequencer code... 392 instructions downloaded
    > > > scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
    > > > <Adaptec AIC-7896/7 Ultra2 SCSI host adapter>
    > > > scsi1 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
    > > > <Adaptec AIC-7896/7 Ultra2 SCSI host adapter>
    > > > scsi : 2 hosts.
    > > > (scsi0:0:1:0) Synchronous at 40.0 Mbyte/sec, offset 31.
    > > > Vendor: QUANTUM Model: ATLAS 10K 9SCA Rev: UCH0
    > > > Type: Direct-Access ANSI SCSI revision: 03
    > > > Detected scsi disk sda at scsi0, channel 0, id 1, lun 0
    > > > Vendor: VA Linux Model: Fullon 2x2 Rev: 1.01
    > > > Type: Processor ANSI SCSI revision: 02
    > > > scsi : detected 1 SCSI disk total.
    > > > SCSI device sda: hdwr sector= 512 bytes. Sectors= 17938986 [8759 MB] [8.8
    > > > GB]
    > > > Partition check:
    > > > sda: sda1 sda2 sda3
    > > > .
    > > > .
    > > > .
    > > > Welcome to Red Hat Linux
    > > > Press 'I' to enter interactive startup.
    > > > Mounting proc filesystem [ OK ]
    > > > Configuring kernel parameters [ OK ]
    > > > hwclock: Can't open /dev/tty1, errno=19: No such device.
    > > > Setting clock (utc): Thu Nov 30 23:07:43 /etc/localtime 2000 [ OK ]
    > > > Loading default keymap/etc/rc.d/rc.sysinit: /dev/tty0: No such device
    > > > [FAILED]
    > > > Activating swap partitions [ OK ]
    > > > Setting hostname rpc4 [ OK ]
    > > > Checking root filesystem
    > > > /dev/sda1 contains a file system with errors, check forced.
    > > > /dev/sda1: Inode 84024 has illegal block(s). [/sbin/fsck.ext2 -- /]
    > > > fsck.ext2 -a /dev/sda1
    > > >
    > > >
    > > > /dev/sda1: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
    > > > (i.e., without -a or -p options)
    > > >
    > > > -------
    > > >
    > > > But in the middle of an fsck ....
    > > >
    > > >
    > > > Anyway, I'm wondering if anyone has seen anything like this at all on the
    > > > aic7xxx driver. I also had a working L440GX that used IDE for /, and when
    > > > i insmod aic7xxx.o I do see this same error. Any suggestions on this
    > > > problem would be appreciated.
    > >
    > > Hmm. This looks like a kernel bug, probably triggered by lack of
    > > bios support. Could you run the oops through ksymoops so we have a
    > > clue what is wrong? If we knew where the kernel was crashing perhaps
    > > we could fix it.
    > >
    >
    > Sorry, here's the ksymoops
    >
    > Oops: 0000
    > CPU: 0
    > EIP: 0010:[<c012b234>]
    > Using defaults from ksymoops -t elf32-i386 -a i386
    > EFLAGS: 00010206
    > eax: c1410000 ebx: 00000002 ecx: 0012c8f2 edx: 08458b00
    > esi: 00000008 edi: 00000801 ebp: 00000096 esp: cfb67d08
    > ds: 0018 es: 0018 ss: 0018
    > Process fsck.ext2 (pid: 49, stackpage=cfb67000)
    > Stack: 00000021 00000000 cfb67e9c cfb67f20 00000801 0000107e c012fd73
    > 00000801
    > 0012c8f2 00000400 cfea9c00 ffffffea 00000000 00000400 25004400
    > cbe56a20
    > 0012c90d 00000000 00000801 00000000 00000001 cfb67e9c 4b234000
    > 00000000
    > Call Trace: [<c012fd73>] [<c01299c2>] [<c0129b5b>] [<c010ac4f>]
    > Code: 39 4a 04 75 10 0f b7 42 08 3b 44 24 24 75 06 66 39 7a 0c 74
    >
    > >>EIP; c012b234 <getblk+7c/124> <=====
    > Trace; c012fd73 <block_read+2df/540>
    > Trace; c01299c2 <sys_lseek+5e/94>
    > Trace; c0129b5b <sys_read+8b/a0>
    > Trace; c010ac4f <system_call+33/38>
    > Code; c012b234 <getblk+7c/124>
    > 00000000 <_EIP>:
    > Code; c012b234 <getblk+7c/124> <=====
    > 0: 39 4a 04 cmp %ecx,0x4(%edx) <=====
    > Code; c012b237 <getblk+7f/124>
    > 3: 75 10 jne 15 <_EIP+0x15> c012b249
    > <getblk+91/124>
    > Code; c012b239 <getblk+81/124>
    > 5: 0f b7 42 08 movzwl 0x8(%edx),%eax
    > Code; c012b23d <getblk+85/124>
    > 9: 3b 44 24 24 cmp 0x24(%esp,1),%eax
    > Code; c012b241 <getblk+89/124>
    > d: 75 06 jne 15 <_EIP+0x15> c012b249
    > <getblk+91/124>
    > Code; c012b243 <getblk+8b/124>
    > f: 66 39 7a 0c cmp %di,0xc(%edx)
    > Code; c012b247 <getblk+8f/124>
    > 13: 74 00 je 15 <_EIP+0x15> c012b249
    > <getblk+91/124>
    >
    > Unable to handle kernel NULL pointer dereference at virtual address
    > 00000008
    > *pde = 00000000
    -
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