On Wed, 30 May 2007 11:30:00 +0200 (CEST) Geller Sandor <wildy@xxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > > I saw a similar report yesterday with '2.6.21.1 - 97% wait time on IDE > operations' subject. > > After upgrading from 2.6.20.7 kernel to 2.6.21.1 my system started to > reset infrequenly the IDE bus. In the syslog DMA timeout, resetting IDE > bus messages appeared. I've changed the two disks attached to the HPT374 > controller, and always the first disk had problems. I've replaced cables, > plugged the disks into other IDE ports, but it was only a matter of time > to experience an IDE reset. When I upgraded to 2.6.21.3 the resets became > much more frequent, this time even DMA was disabled too on the first disk. > I turned DMA back Manually with hdparm, and a few seconds of intense IO > activity resulted in another IDE reset. > > Reverting back to 2.6.20.12 the problem seems to be gone. BTW I'm using > the PATA driver for the HTP374, not the libata one. > > Is this a known problem/ is there a way I can help locating the cause of > the problem? > (cc's added) - 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