> ide_dma_timeout_retry() in ide-io.c > prints the "hdc: DMA Timeout error" then calls > HWIF(drive)->ide_dma_end(drive); > which returns, and then calls > hwif->INB(IDE_STATUS_REG) which is needed as an argument to ide_error() > > But this hangs! -- The INB never returns. > Now: hwif->INB = ide_inb; in ide-iops.c Yep and the I/O cycle never completes so the box hangs. This occurs if the drive blows up and never switches IORDY to indicate completion. The hpt will also do this sometimes if it gets addled by a confused drive, while an intel one often won't. Alan - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html