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SubjectRe: 2.1.21 Instant death
linux-2.1.21 fails to boot with an Ooops with a NULL-pointer dereference
from process swapper, pid 1. This happens just before, but prior to
mounting the root file-system.

I attempted to start the system with /etc/rc.d/rc.S simply executing
/bin/bash before anything else, i.e., no swap, no fsck, etc. It still
failed.

This is my hardware (ignore the date, it hasn't changed)

Dec 26 13:26:21 chaos kernel: Console: 16 point font, 400 scans
Dec 26 13:26:21 chaos kernel: Console: colour VGA+ 80x25, 1 virtual console (max 63)
Dec 26 13:26:21 chaos kernel: pcibios_init : BIOS32 Service Directory structure at 0xc00fcb80
Dec 26 13:26:21 chaos kernel: pcibios_init : BIOS32 Service Directory entry at 0xf7972
Dec 26 13:26:21 chaos kernel: pcibios_init : PCI BIOS revision 2.10 entry at 0xf7b5a
Dec 26 13:26:21 chaos kernel: Probing PCI hardware.
Dec 26 13:26:21 chaos kernel: Calibrating delay loop.. ok - 66.15 BogoMIPS
Dec 26 13:26:21 chaos kernel: Memory: 14608k/16384k available (864k kernel code, 384k reserved, 528k data)
Dec 26 13:26:21 chaos kernel: Swansea University Computer Society TCP/IP for NET3.037
Dec 26 13:26:21 chaos kernel: IP Protocols: IGMP, ICMP, UDP, TCP, IPIP
Dec 26 13:26:21 chaos kernel: Checking 386/387 coupling... Ok, fpu using exception 16 error reporting.
Dec 26 13:26:21 chaos kernel: Checking 'hlt' instruction... Ok.
Dec 26 13:26:21 chaos kernel: Linux version 2.1.16 (root@chaos) (gcc version 2.7.2) #4 Thu Dec 19 17:16:36 EST 1996
Dec 26 13:26:21 chaos kernel: POSIX conformance testing by UNIFIX
Dec 26 13:26:21 chaos kernel: Real Time Clock Driver v1.07
Dec 26 13:26:21 chaos kernel: Started kswapd v 1.4.2.2
Dec 26 13:26:21 chaos kernel: AHA-2940 (PCI-bus), I/O 0xf800, Mem 0xfbfff000:
Dec 26 13:26:21 chaos kernel: irq 9
Dec 26 13:26:21 chaos kernel: bus release time 40 bclks
Dec 26 13:26:21 chaos kernel: data fifo threshold 100
Dec 26 13:26:21 chaos kernel: SCSI CHANNEL A:
Dec 26 13:26:21 chaos kernel: scsi id 7
Dec 26 13:26:21 chaos kernel: scsi selection timeout 256 ms
Dec 26 13:26:21 chaos kernel: scsi bus reset at power-on enabled
Dec 26 13:26:21 chaos kernel: scsi bus parity enabled
Dec 26 13:26:21 chaos kernel: scsi bus termination (low byte) disabled
Dec 26 13:26:21 chaos kernel: aic7xxx: Resetting the SCSI bus...done.
Dec 26 13:26:21 chaos kernel: scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 4.0/3.2/4.0
Dec 26 13:26:21 chaos kernel: scsi : 1 host.
Dec 26 13:26:21 chaos kernel: scsi0: Target 0, channel A, now synchronous at 10.0MHz, offset 15.
Dec 26 13:26:21 chaos kernel: Vendor: Quantum Model: XP32150W Rev: L912
Dec 26 13:26:21 chaos kernel: Type: Direct-Access ANSI SCSI revision: 02
Dec 26 13:26:21 chaos kernel: Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
Dec 26 13:26:21 chaos kernel: scsi0: Target 1, channel A, now synchronous at 10.0MHz, offset 15.
Dec 26 13:26:21 chaos kernel: Vendor: Quantum Model: XP32150W Rev: L912
Dec 26 13:26:21 chaos kernel: Type: Direct-Access ANSI SCSI revision: 02
Dec 26 13:26:21 chaos kernel: Detected scsi disk sdb at scsi0, channel 0, id 1, lun 0
Dec 26 13:26:21 chaos kernel: scsi0: Target 4, channel A, now synchronous at 4.0MHz, offset 15.
Dec 26 13:26:21 chaos kernel: Vendor: TOSHIBA Model: CD-ROM XM-3601TA Rev: 1885
Dec 26 13:26:21 chaos kernel: Type: CD-ROM ANSI SCSI revision: 02
Dec 26 13:26:21 chaos kernel: Detected scsi CD-ROM sr0 at scsi0, channel 0, id 4, lun 0
Dec 26 13:26:21 chaos kernel: scsi0: Target 6, channel A, now synchronous at 10.0MHz, offset 15.
Dec 26 13:26:21 chaos kernel: Vendor: QUANTUM Model: FIREBALL_TM1280S Rev: 300N
Dec 26 13:26:21 chaos kernel: Type: Direct-Access ANSI SCSI revision: 02
Dec 26 13:26:21 chaos kernel: Detected scsi disk sdc at scsi0, channel 0, id 6, lun 0
Dec 26 13:26:21 chaos kernel: scsi : detected 1 SCSI cdrom 3 SCSI disks total.
Dec 26 13:26:21 chaos kernel: SCSI device sda: hdwr sector= 512 bytes. Sectors= 4406960 [2151 MB] [2.2 GB]
Dec 26 13:26:21 chaos kernel: SCSI device sdb: hdwr sector= 512 bytes. Sectors= 4406960 [2151 MB] [2.2 GB]
Dec 26 13:26:21 chaos kernel: SCSI device sdc: hdwr sector= 512 bytes. Sectors= 2503872 [1222 MB] [1.2 GB]
Dec 26 13:26:21 chaos kernel: ne.c:v1.10 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)
Dec 26 13:26:21 chaos kernel: NE*000 ethercard probe at 0x300: 08 00 00 12 35 99
Dec 26 13:26:21 chaos kernel: eth0: NE2000 found at 0x300, using IRQ 5.
Dec 26 13:26:21 chaos kernel: Partition check:
Dec 26 13:26:21 chaos kernel: sda: sda1 sda2 < sda5 sda6 sda7 sda8 >
Dec 26 13:26:21 chaos kernel: sdb: sdb1 sdb2 sdb3
Dec 26 13:26:21 chaos kernel: sdc: sdc1 sdc2 sdc3
Dec 26 13:26:21 chaos kernel: VFS: Mounted root (ext2 filesystem) readonly.
Dec 26 13:26:21 chaos kernel: Adding Swap: 130748k swap-space (priority -1)

processor : 0
cpu : 586
model : Pentium 75+
vendor_id : GenuineIntel
stepping : 12
fdiv_bug : no
hlt_bug : no
fpu : yes
fpu_exception : yes
cpuid : yes
wp : yes
flags : fpu vme de pse tsc msr mce cx8
bogomips : 66.15

total: used: free: shared: buffers: cached:
Mem: 31481856 12304384 19177472 6303744 2793472 4829184
Swap: 74022912 0 74022912
MemTotal: 30744 kB
MemFree: 18728 kB
MemShared: 6156 kB
Buffers: 2728 kB
Cached: 4716 kB
SwapTotal: 72288 kB
SwapFree: 72288 kB


Cheers,
Dick Johnson
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Richard B. Johnson
Project Engineer
Analogic Corporation
Voice : (508) 977-3000 ext. 3754
Fax : (508) 532-6097
Modem : (508) 977-6870
Ftp : ftp@boneserver.analogic.com
Email : rjohnson@analogic.com, johnson@analogic.com
Penguin : Linux version 2.1.20 on an i586 machine (66.15 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-


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