This is very rare, but when it happens it is very irritating.
It has happened on an old Dell Optiplex GX110 (1.0GHZ) and a new 3.4GHZ
box with a Promise/Maxtor ATA/133 PCI controller.
When more than 1 heavy I/O (cp/mv/etc) process is running and you hit
control-c on one of the heavy processes, the box locks up and this appears
in the logs:
Jun 19 06:20:23 p34 kernel: [4295114.329000] hdk: dma_timer_expiry: dma
status == 0x20
Jun 19 06:20:23 p34 kernel: [4295114.329000] hdk: DMA timeout retry
Jun 19 06:20:23 p34 kernel: [4295114.329000] PDC202XX: Secondary channel
reset.
Jun 19 06:20:23 p34 kernel: [4295114.329000] hdk: status error:
status=0x58 { DriveReady SeekComplete DataRequest }
Jun 19 06:20:23 p34 kernel: [4295114.329000] ide: failed opcode was:
unknown
Jun 19 06:20:23 p34 kernel: [4295114.584000] hdk: status timeout:
status=0xd0 { Busy }
Jun 19 06:20:23 p34 kernel: [4295114.584000] ide: failed opcode was:
unknown
Jun 19 06:20:23 p34 kernel: [4295114.584000] PDC202XX: Secondary channel
reset.
Jun 19 06:20:24 p34 kernel: [4295114.684000] ide5: reset: success
Just thought I'd mention it, maybe other people have also experienced this
as well.
Justin.
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