Public bug reported:
Binary package hint: linux-source-2.6.24
Without irqpoll, it says
irq 19: nobody cared (try booting with the "irqpoll" option)
Pid: 0, comm: swapper Not tainted 2.6.24-12-generic #1
Call Trace:
<IRQ> [blah] hrtimer_start+0xee/0x170
[blah] __report_bad_irq+0x1e/0x80
[blah] note_interrupt+0x2ad/0x2e0
[blah] handle_fasteoi_irq+0xa1/0x110
[blah] do_IRQ+0x7b/0x100
[blah] mwait_idle+0x0/0x50
[blah] ret_from_intr+0x0/0xa
<EOI> [blah] lapic_next_event+0x0/0x10
[blah] mwait_idle+0x42/0x50
[blah] cpu_idle+0x6f/0xc0
[blah] start_kernel+0x2b5/0x340
[blah] _sinittext+0x12e/0x140
handlers:
[blah] (usb_hcd_irq+0x0/0x60 [usbcore])
[blah] (usb_hcd_irq+0x0/0x60 [usbcore])
Disabling IRQ #19
... Then later, it hangs for a while, and eventually says
ata1.00: qc timeout (cmd 0x27)
ata1.00: failed to read native max address (err_mask=0x4)
ata1: failed to recover some devices, retrying in 5 secs
... this repeats three times, ending with
ata1.00: revalidation failed (errno=-5)
ata1.00: disabled
ata1: soft resetting link
ata1: EH complete
Then it goes on booting, and doesn't find the disk, so it gets confused
trying to mount root.
I'll post system information next.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
2.6.24-12 hardy kernel requires irqpoll option to recognize HDD
https://bugs.launchpad.net/bugs/204916
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