On Tue, May 12, 2009 at 07:08:54PM -0600, Robert Hancock wrote: > On Tue, May 12, 2009 at 7:00 PM, Andy Isaacson <adi@xxxxxxxxxxxxx> wrote: > > Perhaps, I haven't tracked down exactly what the difference in behavior > > between working 2.6.29 and broken 2.6.30-rc2 is. ?It seems like the disk > > spins up more often (in response to hal background probes presumably) > > with 30-rc2 than it did before, and running "udevadm monitor" I do see > > the following repeated "change" events happening, even on an idle > > system: > > > > KERNEL[1242175547.793029] change ? /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi) > > KERNEL[1242175547.794669] change ? /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0 (block) [snip] > Those events seem rather suspicious. Hmm: > > [ 2.770959] ata2.00: ATAPI: TSSTcorp DVD+/-RW TS-U633A, D200, max > UDMA/100, ATAPI AN > > Did libata report it was using ATAPI AN in 2.6.29? Yes, AN is present in every log I have for that device (back to 2.6.28.1). > You could try bisecting to see if you can find which patch started > triggering those spurious events.. Heh, I was dreading a bisect where each step burned a coaster, but just looking for events is easy. I'll try that tomorrow. -andy -- 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
