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SubjectRe: 2.6.38 regression caused by commit 415e12b
On Sun, Feb 27, 2011 at 05:42:18PM -0800, Sarah Sharp wrote:
> I'm having an issue with an xHCI (USB 3.0 host controller) Express Card.
> This card works fine on 2.6.37, but on 2.6.38-rc5, when I plug in the
> card, I get this output in dmesg:
>
> Feb 22 16:32:28 xanatos kernel: [ 119.345996] irq 23: nobody cared (try booting with the "irqpoll" option)
> Feb 22 16:32:28 xanatos kernel: [ 119.346002] Pid: 0, comm: kworker/0:0 Not tainted 2.6.38-rc5+ #745
> Feb 22 16:32:28 xanatos kernel: [ 119.346005] Call Trace:
> Feb 22 16:32:28 xanatos kernel: [ 119.346007] <IRQ> [<ffffffff8109a1f6>] ? __report_bad_irq+0x26/0xa0
> Feb 22 16:32:28 xanatos kernel: [ 119.346019] [<ffffffff8109a3fc>] ? note_interrupt+0x18c/0x1d0
> Feb 22 16:32:28 xanatos kernel: [ 119.346024] [<ffffffff8109ad7d>] ? handle_fasteoi_irq+0xcd/0x100
> Feb 22 16:32:28 xanatos kernel: [ 119.346029] [<ffffffff8100543d>] ? handle_irq+0x1d/0x30
> Feb 22 16:32:28 xanatos kernel: [ 119.346032] [<ffffffff81004bb8>] ? do_IRQ+0x58/0xd0
> Feb 22 16:32:28 xanatos kernel: [ 119.346037] [<ffffffff8149f5d3>] ? ret_from_intr+0x0/0xe
> Feb 22 16:32:28 xanatos kernel: [ 119.346040] <EOI> [<ffffffff8126f2d0>] ? acpi_idle_enter_c1+0x7e/0x99
> Feb 22 16:32:28 xanatos kernel: [ 119.346048] [<ffffffff8126f2b2>] ? acpi_idle_enter_c1+0x60/0x99
> Feb 22 16:32:28 xanatos kernel: [ 119.346054] [<ffffffff8138ac92>] ? cpuidle_idle_call+0x82/0xf0
> Feb 22 16:32:28 xanatos kernel: [ 119.346059] [<ffffffff81001906>] ? cpu_idle+0x56/0xb0
> Feb 22 16:32:28 xanatos kernel: [ 119.346064] [<ffffffff8149861b>] ? start_secondary+0x1c1/0x1c8
> Feb 22 16:32:28 xanatos kernel: [ 119.346068] [<ffffffff81263386>] ? acpi_ns_parse_table+0x2e/0x34
> Feb 22 16:32:28 xanatos kernel: [ 119.346073] [<ffffffff81267a8c>] ? acpi_load_tables+0x9c/0x15d
> Feb 22 16:32:28 xanatos kernel: [ 119.346076] handlers:
> Feb 22 16:32:28 xanatos kernel: [ 119.346078] [<ffffffffa0123500>] (usb_hcd_irq+0x0/0x70 [usbcore])
> Feb 22 16:32:28 xanatos kernel: [ 119.346100] Disabling IRQ #23
>
> This happens before the xHCI driver has a chance to start PCI
> initialization.
>
> I've been trying to bisect this on a slow laptop, so I haven't had a
> chance to test with the latest tree from Linus to see if this is already
> fixed. I'll do that later this evening.

Still broken on the latest from Linus' tree.

Sarah Sharp


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