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Subject2.4.22rc1 bug report
Date
It seams that 2.4.22 rc1 is raising a bug at boot time, also it seams to recover
gracefully.
See 'Unable to handle kernel NULL pointer dereference at virtual address 0000002c'
in the kernel log attached below.

2.4.21 works fine, and I have not tested anything in the middle of 2.4.21 and
2.4.22rc1

Also as Marcelo suggested, I tester the box with memtest86 and it is fine.

Regards,
Hubert Tonneau


<4>Linux version 2.4.22 (root@hubert) (gcc version 2.95.4 20011002 (Debian prerelease)) #1 Wed Aug 6 03:07:09 CEST 2003
<6>BIOS-provided physical RAM map:
<4> BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
<4> BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
<4> BIOS-e820: 00000000000ea000 - 0000000000100000 (reserved)
<4> BIOS-e820: 0000000000100000 - 000000000fff0000 (usable)
<4> BIOS-e820: 000000000fff0000 - 000000000ffffc00 (ACPI data)
<4> BIOS-e820: 000000000ffffc00 - 0000000010000000 (ACPI NVS)
<4> BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
<5>255MB LOWMEM available.
<4>On node 0 totalpages: 65520
<4>zone(0): 4096 pages.
<4>zone(1): 61424 pages.
<4>zone(2): 0 pages.
<6>Dell Inspiron 7500 machine detected. Disabling APM idle calls.
<4>Kernel command line: auto BOOT_IMAGE=fullpliant ro root=301
<6>Initializing CPU#0
<4>Detected 751.716 MHz processor.
<4>Console: colour dummy device 80x25
<4>Calibrating delay loop... 1500.77 BogoMIPS
<6>Memory: 257560k/262080k available (819k kernel code, 4132k reserved, 195k data, 80k init, 0k highmem)
<6>Dentry cache hash table entries: 32768 (order: 6, 262144 bytes)
<6>Inode cache hash table entries: 16384 (order: 5, 131072 bytes)
<6>Mount cache hash table entries: 512 (order: 0, 4096 bytes)
<6>Buffer cache hash table entries: 16384 (order: 4, 65536 bytes)
<4>Page-cache hash table entries: 65536 (order: 6, 262144 bytes)
<6>CPU: L1 I cache: 16K, L1 D cache: 16K
<6>CPU: L2 cache: 256K
<7>CPU: After generic, caps: 0383f9ff 00000000 00000000 00000000
<7>CPU: Common caps: 0383f9ff 00000000 00000000 00000000
<4>CPU: Intel Pentium III (Coppermine) stepping 06
<6>Enabling fast FPU save and restore... done.
<6>Enabling unmasked SIMD FPU exception support... done.
<6>Checking 'hlt' instruction... OK.
<4>POSIX conformance testing by UNIFIX
<4>mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
<4>mtrr: detected mtrr type: Intel
<6>PCI: PCI BIOS revision 2.10 entry at 0xfd9ae, last bus=1
<6>PCI: Using configuration type 1
<6>PCI: Probing PCI hardware
<4>PCI: Probing PCI hardware (bus 00)
<6>PCI: Using IRQ router PIIX [8086/7110] at 00:07.0
<6>PCI: Found IRQ 11 for device 00:04.0
<6>PCI: Sharing IRQ 11 with 00:04.1
<6>PCI: Sharing IRQ 11 with 01:00.0
<3>PCI: Cannot allocate resource region 4 of device 00:07.1
<6>Limiting direct PCI/PCI transfers.
<6>Linux NET4.0 for Linux 2.4
<6>Based upon Swansea University Computer Society NET3.039
<4>Initializing RT netlink socket
<6>apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16)
<4>Starting kswapd
<6>vesafb: framebuffer at 0xfd000000, mapped to 0xd0800000, size 2560k
<6>vesafb: mode is 1280x1024x8, linelength=1280, pages=5
<6>vesafb: protected mode interface info at c000:506a
<6>vesafb: scrolling: redraw
<4>Console: switching to colour frame buffer device 160x64
<6>fb0: VESA VGA frame buffer device
<6>Real Time Clock Driver v1.10e
<6>Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4
<6>ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
<6>PIIX4: IDE controller at PCI slot 00:07.1
<6>PIIX4: chipset revision 1
<6>PIIX4: not 100% native mode: will probe irqs later
<6> ide0: BM-DMA at 0x1080-0x1087, BIOS settings: hda:DMA, hdb:pio
<6> ide1: BM-DMA at 0x1088-0x108f, BIOS settings: hdc:DMA, hdd:pio
<4>hda: IBM-DJSA-220, ATA DISK drive
<4>blk: queue c0234de0, I/O limit 4095Mb (mask 0xffffffff)
<4>hdc: MATSHITA CD-RW UJDA310, ATAPI CD/DVD-ROM drive
<4>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
<4>ide1 at 0x170-0x177,0x376 on irq 15
<4>hda: attached ide-disk driver.
<4>hda: host protected area => 1
<6>hda: 39070080 sectors (20004 MB) w/1874KiB Cache, CHS=2584/240/63, UDMA(33)
<6>Partition check:
<6> hda: hda1 hda2
<6>NET4: Linux TCP/IP 1.0 for NET4.0
<6>IP Protocols: ICMP, UDP, TCP
<6>IP: routing cache hash table of 2048 buckets, 16Kbytes
<6>TCP: Hash tables configured (established 16384 bind 16384)
<6>NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
<4>VFS: Mounted root (ext2 filesystem) readonly.
<6>Freeing unused kernel memory: 80k freed
<6>Linux PCMCIA Card Services 3.2.4
<6> kernel build: 2.4.22 #1 Wed Aug 6 03:07:09 CEST 2003
<6> options: [pci] [cardbus] [apm]
<6>Intel ISA/PCI/CardBus PCIC probe:
<6>PCI: Found IRQ 11 for device 00:04.0
<6>PCI: Sharing IRQ 11 with 00:04.1
<6>PCI: Sharing IRQ 11 with 01:00.0
<6>PCI: Found IRQ 11 for device 00:04.1
<6>PCI: Sharing IRQ 11 with 00:04.0
<6>PCI: Sharing IRQ 11 with 01:00.0
<6> TI 1225 rev 01 PCI-to-CardBus at slot 00:04, mem 0x10000000
<6> host opts [0]: [ring] [serial pci & irq] [pci irq 11] [lat 168/32] [bus 2/5]
<6> host opts [1]: [ring] [serial pci & irq] [pci irq 11] [lat 168/32] [bus 6/9]
<6> ISA irqs (scanned) = 3,4,7,10 PCI status changes
<1>Unable to handle kernel NULL pointer dereference at virtual address 0000002c
<4> printing eip:
<4>c01800d6
<1>*pde = 00000000
<4>Oops: 0000
<4>CPU: 0
<4>EIP: 0010:[<c01800d6>] Not tainted
<4>EFLAGS: 00010046
<4>eax: 00000006 ebx: 00000246 ecx: 00000024 edx: 00000006
<4>esi: 0000001c edi: 0000001c ebp: c77d7b50 esp: c77d7b0c
<4>ds: 0018 es: 0018 ss: 0018
<4>Process cardctl (pid: 40, stackpage=c77d7000)
<4>Stack: 00000024 c7804000 d0a88866 0000001c 00000024 ffffffff ff000000 00000006
<4> c0121908 00000006 c01f21e0 000001ff 00000001 00000000 c780408c 00000000
<4> 00000286 c77d7b90 d0a88a51 c7804000 00000006 000001d2 cfe9a3a0 00000002
<4>Call Trace: [<d0a88866>] [<c0121908>] [<d0a88a51>] [<d0a84b22>] [<c0121908>]
<4> [<c0121908>] [<c012a0a6>] [<c0120eed>] [<d0a84f3e>] [<c0121908>] [<d0a84d5b>]
<4> [<c01213c2>] [<c012190e>] [<d0a83b5f>] [<d0a9bc33>] [<c01c9c26>] [<c0121908>]
<4> [<c0147644>] [<c01239b3>] [<c012a2b0>] [<c012a0a6>] [<c0120db6>] [<c0123329>]
<4> [<c013266b>] [<c013085e>] [<c0130707>] [<c013077a>] [<c013122f>] [<c0124494>]
<4> [<c01244c1>] [<c0131850>] [<c014f2c9>] [<c014fe61>] [<c015265d>] [<c013917f>]
<4> [<c013b197>] [<c0106be3>]
<4>
<4>Code: 8b 46 10 8b 50 30 8b 44 24 14 50 51 56 8b 42 14 ff d0 83 c4
<4> <6>cs: cb_alloc(bus 2): vendor 0x10b7, device 0x5257
<6>3c59x.c:v0.99Q 5/16/2000 Donald Becker, becker@scyld.com
<6> http://www.scyld.com/network/vortex.html
<6>cs: cb_config(bus 2)
<6>cs: IO port probe 0x0100-0x04ff: excluding 0x378-0x37f 0x3f8-0x3ff 0x4d0-0x4d7
<6>cs: IO port probe 0x0380-0x03f7: clean.
<6>cs: IO port probe 0x0400-0x04cf: clean.
<6>cs: IO port probe 0x04d8-0x04ff: clean.
<6>cs: IO port probe 0x0800-0x08ff: clean.
<6>cs: IO port probe 0x0a00-0x0aff: clean.
<6>cs: IO port probe 0x0c00-0x0cff: clean.
<6> fn 0 bar 1: io 0x200-0x27f
<6> fn 0 bar 2: mem 0x60021000-0x6002107f
<6> fn 0 bar 3: mem 0x60020000-0x6002007f
<6> fn 0 rom: mem 0x60000000-0x6001ffff
<6> irq 11
<7>cs: cb_enable(bus 2)
<7> bridge io map 0 (flags 0x21): 0x200-0x27f
<7> bridge mem map 0 (flags 0x1): 0x60000000-0x60021fff
<6>vortex_attach(device 02:00.0)
<6>eth0: 3Com 3CCFE575CT Tornado CardBus at 0x200, 00:01:02:e3:cc:c0, irq 11
<6> product code 'ZX' rev 10.0 date 10-19-00
<6> 8K byte-wide RAM 5:3 Rx:Tx split, MII interface.
<4>spurious 8259A interrupt: IRQ7.

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