Messages in this thread | | | Subject | Re: [BUG] 2.6.15-rc1, soft lockup detected while probing IDE devices on AMD7441 | From | Alan Cox <> | Date | Mon, 21 Nov 2005 20:38:44 +0000 |
| |
On Sul, 2005-11-20 at 17:29 -0800, Andrew Morton wrote: > Alan Cox <alan@lxorguk.ukuu.org.uk> wrote: > > Quite normal. The old IDE probe code takes a long time and it makes the > > soft lockup code believe a lockup occurred - rememeber its a debugging > > tool not a 100% reliable detector of failures. > > > > We could put a touch_softlockup_watchdog() in there.
Would make sense. Spin up and probe can take over 30 seconds worst case and is polled in the IDE world. The loop will eventually exit and a true lockup caused by a stuck IORDY line will hang forever in an inb/outb so neither softlockup or even nmi lockup would save you.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |