I've seen on Kernel Traffic that some people have reported an ext2
corruption with kernel 2.4.0.
It happened to me yesterday with a different configuration than the one
reported on the original posting so i just want to report the problem
again :
I was doing some standard work on my system and after issuing a ls in /
i saw some weird info displayed ( very huge files, strange permissions
etc ... ),
after a while i had a kernel panic with the following message :
ext2-fs panic ( device ide0(3,1)) : load_block_bitmap : block_group >=
groups_count - block_group =302292 group_count=226
and the system died.
I tried to reboot, i did not work ( unable to mount root partition )
I booted in redhat-rescue mode and tried to run fsck on my root
filesystem, it did not recognized the superblock so i used another
superblock and it was reporting almost all the inodes corrupted. I tried
to repair what could be repaired without success. I ended up
reformatting my HD and reinstalling the system ( first time it happens
to me in 6 years of Linux ).
Here's some info on my system :
Hardware :
Pentium III 550Mhz
384 MB RAM
IDE hard drive : FUJITSU MPC3064AT ( /dev/hda )
here's the content of /proc/pci :
PCI devices found:
Bus 0, device 0, function 0:
Host bridge: Intel 440BX - 82443BX Host (rev 3).
Medium devsel. Master Capable. Latency=64.
Prefetchable 32 bit memory at 0xf8000000 [0xf8000008].
Bus 0, device 1, function 0:
PCI bridge: Intel 440BX - 82443BX AGP (rev 3).
Medium devsel. Master Capable. Latency=128. Min Gnt=140.
Bus 0, device 7, function 0:
ISA bridge: Intel 82371AB PIIX4 ISA (rev 2).
Medium devsel. Fast back-to-back capable. Master Capable. No
bursts.
Bus 0, device 7, function 1:
IDE interface: Intel 82371AB PIIX4 IDE (rev 1).
Medium devsel. Fast back-to-back capable. Master Capable.
Latency=64.
I/O at 0x1060 [0x1061].
Bus 0, device 7, function 2:
USB Controller: Intel 82371AB PIIX4 USB (rev 1).
Medium devsel. Fast back-to-back capable. IRQ 9. Master
Capable. Latency=64.
I/O at 0x1040 [0x1041].
Bus 0, device 7, function 3:
Bridge: Intel 82371AB PIIX4 ACPI (rev 2).
Medium devsel. Fast back-to-back capable.
Bus 0, device 12, function 0:
Multimedia audio controller: Unknown vendor Unknown device (rev 3).
Vendor id=1073. Device id=c.
Medium devsel. IRQ 10. Master Capable. Latency=64. Min
Gnt=5.Max Lat=25.
Non-prefetchable 32 bit memory at 0xf4000000 [0xf4000000].
Bus 0, device 15, function 0:
Ethernet controller: Intel 82557 (rev 8).
Medium devsel. Fast back-to-back capable. IRQ 10. Master
Capable. Latency=66. Min Gnt=8.Max Lat=56.
Non-prefetchable 32 bit memory at 0xf4008000 [0xf4008000].
I/O at 0x1000 [0x1001].
Non-prefetchable 32 bit memory at 0xf4100000 [0xf4100000].
Bus 1, device 0, function 0:
VGA compatible controller: Intel Unknown device (rev 33).
Vendor id=8086. Device id=7800.
Medium devsel. Fast back-to-back capable. IRQ 11. Master
Capable. No bursts.
Prefetchable 32 bit memory at 0xf5000000 [0xf5000008].
Non-prefetchable 32 bit memory at 0xf4200000 [0xf4200000].
Software:
kernel 2.4.0 on a redhat 7.0 (compiled with kgcc).
I upgraded the following packages ( following the
/usr/src/linux/Documentation/Changes document ) :
e2fsprogs-1.19-0.2.i386.rpm
iptables-1.1.1-2.i386.rpm
util-linux-2.10p-2.i386.rpm
e2fsprogs-devel-1.19-0.2.i386.rpm
modutils-2.4.0-1.i386.rpm
that's about it ....
I hope this helps !
keep on the great work !
regards
Charles-Edouard Ruault
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