On Sat, 10 Nov 2007 14:49:23 -0800 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Sat, 10 Nov 2007 15:27:11 +1100 Will Trives <will@xxxxxxxxxxxxxxxx> wrote: > > > > > Hello, > > > > Motherboard: Gigabyte GA-P35-DS4 (rev. 1.1) > > Chipset: Intel P35 + ICH9R > > PATA port runs off JMicron controller > > CD/DVD Device: BENQ DW1640 16X > > > > I cannot access my dvd burner under 2.6.24-rc2, I have no problems under > > 2.6.23. Basically the drive is detected OK, everything looks ok but as > > soon as I go to use it errors like this occur: Guess what - jmicron hasn't changed in this tree for ages 8( > > ata9.00: qc timeout (cmd 0xa0) > > ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen > > ata9.00: cmd a0/00:00:00:02:00/00:00:00:00:00/a0 tag 0 cdb 0x5a data 2 > > in > > res 51/54:03:00:02:00/00:00:00:00:00/a0 Emask 0x5 (timeout) > > ata9.00: status: { DRDY ERR } Could be an IRQ/ACPI regression, and in fact to me it looks more like that, than an IDE one. Probably worth trying the various IRQ routing options and seeing if they help. Alan - 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