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SubjectRepeatable GPF reading /proc/interrupts on a 2.0.37ac12
Reading /proc/interrupts on this machine, for example using command "cat
/proc/interrupts", creates repeatably a following kind of general protection

general protection: 0000
CPU: 0
EIP: 0010:[vsprintf+655/1060]
EFLAGS: 00010297
eax: 88482454 ebx: ffffffff ecx: 88482454 edx: fffffffe
esi: ffffffff edi: 01fb4088 ebp: 00000000 esp: 01882ed4
ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Process cat (pid: 12735, process nr: 33, stackpage=01882000)
Stack: 040263c8 00000077 00000009 01fb4000 00000000 00000076 00000008 ffffffff
0000001b 00000001 001ab454 01fb4077 001abd98 01882f28 0010ca9f 01fb4077
001abd8a 00000009 00000000 00000020 88482454 00000000 01882f90 00001000
Call Trace: [<040263c8>] [sprintf+20/24] [get_irq_list+67/164] [get_root_array+282/384] [array_read+274/636] [sys_read+192/232] [system_call+85/124]
Code: 80 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 89 c6 f7 c5 10 00

The machine is like following (the kernel is actually 2.0.37ac12, compiled
with gcc

klogd 1.3-3, log source = /proc/kmsg started.
Loaded 3553 symbols from /usr/src/linux/
Symbols match kernel version 2.0.37.
Loaded 3 symbols from 2 modules.
Memory: sized by int13 088h
Console: 16 point font, 400 scans
Console: colour VGA+ 80x25, 1 virtual console (max 63)
pcibios_init : BIOS32 Service Directory structure at 0x000f9a20
pcibios_init : BIOS32 Service Directory entry at 0xf0520
pcibios_init : PCI BIOS revision 2.10 entry at 0xf0550
Probing PCI hardware.
Calibrating delay loop.. ok - 299.83 BogoMIPS
Memory: 63192k/65472k available (696k kernel code, 384k reserved, 1200k data)
Swansea University Computer Society NET3.035 for Linux 2.0
NET3: Unix domain sockets 0.13 for Linux NET3.035.
Swansea University Computer Society TCP/IP for NET3.034
IP Protocols: IGMP, ICMP, UDP, TCP
VFS: Diskquotas version dquot_5.6.0 initialized
Checking 386/387 coupling... Ok, fpu using exception 16 error reporting.
Checking 'hlt' instruction... Ok.
Linux version 2.0.37 (root@nauris) (gcc version #2 Sun May 23 01:09:23 EEST 1999
Starting kswapd v
Serial driver version 4.13p1 with no serial options enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
Software Watchdog Timer: 0.04, timer margin: 60 sec
Real Time Clock Driver v1.09
ide: Intel 82371 (single FIFO) DMA Bus Mastering IDE
Controller on PCI bus 0 function 33
ide: timings == 00009207
ide0: BM-DMA at 0xd800-0xd807
hda: FX400D, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
scsi: ***** BusLogic SCSI Driver Version 2.0.15 of 17 August 1998 *****
scsi: Copyright 1995-1998 by Leonard N. Zubkoff <>
scsi0: Configuring BusLogic Model BT-948 PCI Ultra SCSI Host Adapter
scsi0: Firmware Version: 5.06J, I/O Address: 0xB800, IRQ Channel: 12/Level
scsi0: PCI Bus: 0, Device: 12, Address: 0xE2000000, Host Adapter SCSI ID: 7
scsi0: Parity Checking: Enabled, Extended Translation: Enabled
scsi0: Synchronous Negotiation: UUFFFFF#, Wide Negotiation: Disabled
scsi0: Disconnect/Reconnect: Enabled, Tagged Queuing: Enabled
scsi0: Scatter/Gather Limit: 128 of 8192 segments, Mailboxes: 211
scsi0: Driver Queue Depth: 211, Host Adapter Queue Depth: 192
scsi0: Tagged Queue Depth: Automatic, Untagged Queue Depth: 3
scsi0: Error Recovery Strategy: Default, SCSI Bus Reset: Enabled
scsi0: SCSI Bus Termination: Enabled, SCAM: Disabled
scsi0: *** BusLogic BT-948 Initialized Successfully ***
scsi0 : BusLogic BT-948
scsi : 1 host.
Vendor: IBM Model: DDRS-34560 Rev: S97B
Type: Direct-Access ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
Vendor: SEAGATE Model: ST32155N Rev: 0594
Type: Direct-Access ANSI SCSI revision: 02
Detected scsi disk sdb at scsi0, channel 0, id 1, lun 0
Vendor: HP Model: HP35480A Rev: T503
Type: Sequential-Access ANSI SCSI revision: 02
Detected scsi tape st0 at scsi0, channel 0, id 6, lun 0
scsi0: Target 0: Queue Depth 28, Synchronous at 20.0 MB/sec, offset 15
scsi0: Target 1: Queue Depth 28, Synchronous at 20.0 MB/sec, offset 15
scsi0: Target 6: Queue Depth 3, Synchronous at 5.00 MB/sec, offset 8
scsi : detected 1 SCSI tape 2 SCSI disks total.
SCSI device sda: hdwr sector= 512 bytes. Sectors= 8925000 [4357 MB] [4.4 GB]
SCSI device sdb: hdwr sector= 512 bytes. Sectors= 4197405 [2049 MB] [2.0 GB]
Partition check:
sda: sda1 sda2
sdb: sdb1 sdb2 < sdb5 sdb6 sdb7 sdb8 >
VFS: Mounted root (ext2 filesystem) readonly.
scsi0: Tagged Queuing now active for Target 0
Adding Swap: 120480k swap-space (priority -1)
tulip.c:v0.90 10/20/98
eth0: Digital DS21140 Tulip at 0xd000, 00 e0 29 09 a9 a6, IRQ 15.
eth0: EEPROM default media type Autosense.
eth0: Index #0 - Media MII (#11) described by a 21140 MII PHY (1) block.
eth0: MII transceiver #3 config 3100 status 786f advertising 01e1.
eth1: 3c509 at 0x310 tag 1, 10baseT port, address 00 20 af 4b ca 08, IRQ 11.
3c509.c:1.16 2/3/98
eth2: 3c509 at 0x300 tag 2, 10baseT port, address 00 a0 24 89 2d cf, IRQ 10.
3c509.c:1.16 2/3/98
eth1: Setting Rx mode to 1 addresses.
eth2: Setting Rx mode to 0 addresses.
eth2: Setting Rx mode to 1 addresses.
eth0: The transmitter stopped! CSR5 is fc678006, CSR6 320e2202.
eth0: Setting full-duplex based on MII Xcvr #3 parter capability of 41e1.
eth1: Setting Rx mode to 2 addresses.
CSLIP: code copyright 1989 Regents of the University of California
PPP: version 2.2.0 (dynamic channel allocation)
PPP Dynamic channel allocation code copyright 1995 Caldera, Inc.
PPP line discipline registered.
registered device ppp0
PPP: ppp line discipline successfully unregistered
lm_sensors version 1.4.10 (19981109)
W83781D detected and installed (accessed through the ISA bus, I/O address 0x0290)
Winbond temperature sensors (2) accessed through the ISA bus

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|\ _,,,---,,_ Samuli Kärkkäinen <>
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