Messages in this thread |  | | Date | Fri, 12 Oct 2001 15:31:00 -0500 (CDT) | From | Steven Timm <> | Subject | re: DMA problem (?) w/2.4.6-xfs and Serverworks OSB4 Chipset |
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I had previously reported DMA problems with ultraDMA using Serverworks OSB4 (LE) chipset talking to IDE drives including Western Digital and Seagate.
I am now running 2.4.9-0.18 kernel as found at Redhat's Rawhide which includes Alan's latest diagnostic patches, and am getting the message like this:
end_request: I/O error, dev 16:01 (hdc), sector 2487128 Curious - OSB4 thinks the DMA is still running. OSB4 wait exit. hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error } hdc: dma_intr: error=0x40 { UncorrectableError }, LBAsect=2487198, sector=2487128
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with the "Curious..." patch being the new diagnostics added by Alan. All the various failure modes which we see include this error message now.
What does this imply...is there any hope for a fix?
Steve Timm
------------------------------------------------------------------ Steven C. Timm (630) 840-8525 timm@fnal.gov http://home.fnal.gov/~timm/ Fermilab Computing Division/Operating Systems Support Scientific Computing Support Group--Computing Farms Operations
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