On Fri, Oct 24 2008, Rafael J. Wysocki wrote: > On Friday, 24 of October 2008, Jens Axboe wrote: > > On Fri, Oct 24 2008, Alexander Beregalov wrote: > > > Hi > > > > > > commit 2fca5ccf97d2c28bcfce44f5b07d85e74e3cd18e > > > Author: Jens Axboe <jens.axboe@xxxxxxxxxx> > > > Date: Wed Oct 22 09:34:49 2008 +0200 > > > > > > libata: switch to using block layer tagging support > > > > > > > > > This kernel can not read even 0 sector on disk with rootfs. It > > > initialized disk, but cant read it at all. > > > CMD646 on Sparc > > > > > > Rverting helped. > > Confirmed on hp nx6325 w/ pata_atiixp (apparently, SCSI commands time out). Basically it'll dererence ->qcmd[] with -1 index so it'll break in various interesting ways, I'm sure. > Reverting the commit also helps here. > > [I guess it's going to break things left and right.] Indeed. > > Doh, how annoying! What driver does that controller use? PATA doesn't > > even use NCQ, so it's a bit of an oddity that it makes a difference at > > all. > > > > Can you provide the boot messages? > > If I'm able to reproduce the breakage of Asus L5D, I will. I don't need that anymore, I realized the mistake right after sending that. -- Jens Axboe -- 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
