On Tue, 2007-09-04 at 17:40 -0700, Vlad wrote: > Hi, > > > I have both a dvd RW drive & a cd rom drive connected > > the second ide interface on my motherboard with a via > > chipset, using pata_via I see timeout messages in the > > log & after some time both drives lockup and are > > unable to mount any disks. > > I would suggest trying the following things: > > 1) Add both drives ("_NEC DVD_RW ND-3520" and "TSSTcorpDVD-ROM > TS-H352A") to ata_device_blacklist in drivers/ata/libata-core.c using > the ATA_HORKAGE_NODMA and ATA_HORKAGE_MAX_SEC_128 keywords and then > recompile the kernel. > > 2) Move the CD and DVD RW drives to a computer with another chipset to > determine whether they or the chipset are to blame. > > Vlad > Thanks for the suggestion I'll give it a try. Unfortunately I don't have another machine to try these drives in. But they both worked OK under the old ide code -- the problems only started with the move to libata. I guess the commands timing out are udev probing to see if a disk has been inserted ? thanks Richard - 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