On Mon, Jun 18, 2007 at 09:27:04PM +0100, Alan Cox wrote: > > 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. So what do you suggest? (I could buy an alternate ide controller, and hope that goes away, or just buy a different hard drive. But that's beside the point). I can prepare a patch, but only with a lot of guidance. I can test & debug, I'm highly motivated just right now ... --linas - 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