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Subject2.0.30: Panic and FS corruption after sound card access
I had an application sending 16 bit stereo data to /dev/audio at 32kHz
(OSS was using two fragments of 32Kb). At a certain point it stopped
with following messages in syslog:

Aug 6 14:50:42 pris kernel: Sound: DMA (output) timed out - IRQ/DRQ
config error?
Aug 6 14:52:08 pris kernel: Sound: DMA (output) timed out - IRQ/DRQ
config error?

Then, when trying to load something into the GUS RAM:

Aug 6 14:55:05 pris kernel: GUS: DMA Transfer timed out
Aug 6 14:55:34 pris last message repeated 29 times

I rebooted the machine and got a kernel panic (log excerpts in the end
of this message). Bringing the system up with floppy showed severe
corruption in the IDE hard disk. It can be a hardware fault, but I'm not
sure.

The system appears to be OK now.

---
Sound Driver:3.5.4-960630 (Tue Jun 10 12:53:20 EST 1997 root,
Linux pris 2.0.27 #1 Tue Jun 10 12:09:33 EST 1997 i486)
Kernel: Linux pris 2.0.30 #1 Tue Jun 10 12:55:01 EST 1997 i486
Config options: 280008

Installed drivers:
Type 4: Gravis Ultrasound
Type 25: GUS PnP

Card config:
Gravis Ultrasound at 0x220 irq 7 drq 7,7

Audio devices:
0: Gravis UltraSound

---
Aug 6 15:01:20 pris kernel: Linux version 2.0.30 (root@pris) (gcc
version 2.7.2) #1 Tue Jun 10 12:55:01 EST 1997
Aug 6 15:01:20 pris kernel: hda: WDC AC32500H, 2441MB w/128kB Cache,
LBA, CHS=4960/16/63
Aug 6 15:01:20 pris kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Aug 6 15:01:20 pris kernel: ne.c:v1.10 9/23/94 Donald Becker
(becker@cesdis.gsfc.nasa.gov)
Aug 6 15:01:20 pris kernel: NE*000 ethercard probe at 0x300: 00 80 ad
21 d0 39
Aug 6 15:01:20 pris kernel: eth0: NE2000 found at 0x300, using IRQ 12.
<more boot stuff here>
Aug 6 15:01:20 pris kernel: scsi0 : Adaptec AHA274x/284x/294x
(EISA/VLB/PCI-Fast SCSI) 4.0/3.2/4.0
Aug 6 15:01:20 pris kernel: scsi : 1 host.
Aug 6 15:01:20 pris kernel: scsi0: Target 0, channel A, now synchronous
at 4.0MHz, offset 15.
Aug 6 15:01:20 pris kernel: Vendor: TOSHIBA Model: CD-ROM
XM-3601TA Rev: 0265
Aug 6 15:01:20 pris kernel: Type:
CD-ROM ANSI SCSI revision: 02
Aug 6 15:01:20 pris kernel: Detected scsi CD-ROM sr0 at scsi0, channel
0, id 0, lun 0
Aug 6 15:01:25 pris kernel: hda: read_intr: status=0x59 { DriveReady
SeekComplete DataRequest Error }
Aug 6 15:01:25 pris kernel: hda: read_intr: error=0x40 {
UncorrectableError }, LBAsect=2404577, sector=671762
Aug 6 15:01:25 pris kernel: end_request: I/O error, dev 03:08, sector
671762
Aug 6 15:01:25 pris kernel: Kernel panic: EXT2-fs panic (device 03:08):
ext2_read_inode: unable to read i-node bloc
k - inode=84321, block=335881
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