Hi,
I have been experiencing continual file system corruption triggering ext3
asserts and resulting in crazy file modes/sizes, files that can't be deleted,
files/directories that result in an input/output error when accessed and daily
fscks that return all kinds of errors (and relocated all of /usr/lib to
/lost+found on one occasion).
The problem does not appear to be with the hard disk itself, as the corruption
is almost exactly repeatable in another machine with similar hardware but a
different hard disk. (With both machines soon after installation the GNOME
panel binary /usr/bin/panel is corrupted, and they both experience continuing
file system corruption that gradually diverges with different usage patterns).
Perhaps it is the disk controller, or some kind of IDE/DMA/WhoKnowsWhat?
Has anyone experienced this issue and know of a work around? The system
details are listed below.
Thanks,
Michael
Redhat 7.2 (kernel 2.4.7-10)
Output from lspci:
00:00.0 Host bridge: VIA Technologies, Inc. VT82C691 [Apollo PRO] (rev 44)
00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo MVP3/Pro133x AGP]
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C596 ISA [Mobile South] (rev 23)
00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 10)
00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 11)
00:07.3 Host bridge: VIA Technologies, Inc. VT82C596 Power Management (rev 30)
00:09.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev 21)
01:00.0 VGA compatible controller: S3 Inc. Savage 4 (rev 03)
Interesting snippets from dmesg:
PCI: Probing PCI hardware
Unknown bridge resource 0: assuming transparent
PCI: Using IRQ router VIA [1106/0596] at 00:07.0
Activating ISA DMA hang workarounds.
...
ide: Assuming 33MHz PCI bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller on PCI bus 00 dev 39
VP_IDE: chipset revision 16
VP_IDE: not 100% native mode: will probe irqs later
ide: Assuming 33MHz PCI bus speed for PIO modes; override with idebus=xx
VP_IDE: VIA vt82c596b (rev 23) IDE UDMA66 controller on pci00:07.1
ide0: BM-DMA at 0xe000-0xe007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xe008-0xe00f, BIOS settings: hdc:pio, hdd:pio
hd1: C/H/S=0/0/0 from BIOS ignored
hda: ST320413A, ATA DISK drive
hdb: CD-ROM 40X/AKU, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: 39102336 sectors (20020 MB) w/1024KiB Cache, CHS=2434/255/63, UDMA(33)
Contents of /proc/ide/via:
----------VIA BusMastering IDE Configuration----------------
Driver Version: 3.27
South Bridge: VIA vt82c596b
Revision: ISA 0x23 IDE 0x10
Highest DMA rate: UDMA66
BM-DMA base: 0xe000
PCI clock: 33MHz
Master Read Cycle IRDY: 1ws
Master Write Cycle IRDY: 1ws
BM IDE Status Register Read Retry: yes
Max DRDY Pulse Width: No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush: yes yes
End Sector FIFO flush: no no
Prefetch Buffer: no no
Post Write Buffer: no no
Enabled: yes yes
Simplex only: no no
Cable Type: 40w 40w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode: UDMA PIO PIO PIO
Address Setup: 30ns 30ns 120ns 120ns
Cmd Active: 90ns 90ns 480ns 480ns
Cmd Recovery: 30ns 30ns 480ns 480ns
Data Active: 90ns 90ns 330ns 330ns
Data Recovery: 30ns 30ns 270ns 270ns
Cycle Time: 60ns 120ns 600ns 600ns
Transfer Rate: 33.0MB/s 16.5MB/s 3.3MB/s 3.3MB/s
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