2.4.28: dma_timer_expiry/__ide_dma_test_irq ServerWorks CSB5

[Dave Gilbert (Home)]

Hi,
  Kernel: Standard 2.4.28
  Hardware: IBM xSeries 305 with ServerWorks CSB5 IDE controller and a 
pair of IC35L090AVV207-0 drives; one per channel.  IDE CD-ROM as slave
on first channel, no slave on the second.
  Symptom: dma_timer_expiry occasionally (~ once/week)

-----------------------------------------
hdc: dma_timer_expiry: dma status == 0x20
hdc: timeout waiting for DMA
hdc: timeout waiting for DMA
hdc: (__ide_dma_test_irq) called while not waiting
hdc: status timeout: status=0xd0 { Busy }

hdc: drive not ready for command
ide1: reset: success

----------------------------------------

it then seems to recover - (this is better than the 2.4.21
we had on there previously which died after that).

Any ideas? Dying disk?

Dave
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