> Date: Thu, 7 Jun 2007 23:14:04 +0100 > From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> > Subject: Re: Odd kernel ATA message on F7 > To: For users of Fedora <fedora-list@xxxxxxxxxx> > Cc: abraxis@xxxxxxxxxxxx > Message-ID: <20070607231404.5282f9ec@xxxxxxxxxxxxxxxxx> > Content-Type: text/plain; charset=US-ASCII > > On Thu, 7 Jun 2007 20:33:34 +0200 > Neil Thompson <abraxis@xxxxxxxxxxxx> wrote: > > > Hi all, > > > > I've just seen a message on my logs that I've never seen before - > > > > Jun 7 20:24:34 eeyore kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen > > Jun 7 20:24:34 eeyore kernel: ata2.00: (BMDMA stat 0x24) > > Jun 7 20:24:34 eeyore kernel: ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x4a data 8 in > > Jun 7 20:24:34 eeyore kernel: res 58/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) > > That means the drive and controller ended up disagreeing violently about > what the controller was up to. > > Jun 7 20:24:34 eeyore kernel: ata2: soft resetting port > > Jun 7 20:24:34 eeyore kernel: ata2.00: configured for UDMA/33 > > Jun 7 20:24:34 eeyore kernel: ata2: EH complete > > And we reset it. > > > Jun 7 20:24:35 eeyore kernel: VFS: busy inodes on changed media. > > Odd > > > We've seen some drives have problems with NCQ and do that, you also get > HSM errors off some emulations (eg in xen it seems) because of emulation > problems. > > Bugzilla it, include dmesg and lspci -vvxxx and assign to alan@xxxxxxxxxx > (me) and I'll take a more detailed look Was there ever any resolution to this? I'm seeing the same problem on an F7 x86_64 system with a Promise sata controller.
