Re: WARNING: at drivers/ata/libata-core.c:5027 ata_qc_complete+0x200/0x210()

[Jeff Garzik]

On 09/30/2009 05:33 AM, Zdenek Kabelac wrote:
> 2009/9/17 Zdenek Kabelac<zdenek.kabelac@xxxxxxxxx>:
> > Hi
> >
> > Somewhere during recent merge commits this message started to appear
> > in my qemu kvm guest
> > (already present with some 2.6.31-040xxx commit)
> >
> > Is this fault of kvm emulation ?
> >
> >
> > WARNING: at drivers/ata/libata-core.c:5027 ata_qc_complete+0x200/0x210()
> > Hardware name:
> > Modules linked in:
> > Pid: 167, comm: ata/0 Not tainted 2.6.31-05317-ged0ecd1 #42
> > Call Trace:
> >   [<ffffffff81051ddb>] warn_slowpath_common+0x7b/0xc0
> >   [<ffffffff81051e34>] warn_slowpath_null+0x14/0x20
> >   [<ffffffff81323690>] ata_qc_complete+0x200/0x210
> >   [<ffffffff81330243>] ata_do_link_abort+0xf3/0x110
> >   [<ffffffff81330270>] ata_port_abort+0x10/0x20
> >   [<ffffffff813302af>] ata_port_freeze+0x2f/0x50
> >   [<ffffffff81334101>] ata_hsm_qc_complete+0x131/0x140
> >   [<ffffffff81335347>] ata_sff_hsm_move+0x197/0x760
> >   [<ffffffff8125891a>] ? delay_tsc+0x8a/0xe0
> >   [<ffffffff81335ca0>] ? ata_pio_task+0x0/0x120
> >   [<ffffffff81335ca0>] ? ata_pio_task+0x0/0x120
> >   [<ffffffff81335cd7>] ata_pio_task+0x37/0x120
> >   [<ffffffff8106f88a>] worker_thread+0x21a/0x400
> >   [<ffffffff8106f839>] ? worker_thread+0x1c9/0x400
> >   [<ffffffff81075a20>] ? autoremove_wake_function+0x0/0x40
> >   [<ffffffff8106f670>] ? worker_thread+0x0/0x400
> >   [<ffffffff810755f6>] kthread+0x96/0xa0
> >   [<ffffffff8100d29a>] child_rip+0xa/0x20
> >   [<ffffffff81041574>] ? finish_task_switch+0x74/0xf0
> >   [<ffffffff8140d14b>] ? _spin_unlock_irq+0x3b/0x60
> >   [<ffffffff8100cc00>] ? restore_args+0x0/0x30
> >   [<ffffffff81075560>] ? kthread+0x0/0xa0
> >   [<ffffffff8100d290>] ? child_rip+0x0/0x20
>
> Just confirmation that WARNING trace is still present with 2.6.32-rc1.

hrm, I thought we'd fixed that with 4dc738ed2adf28f62f46dd53ef700a51603777f7

	Jeff



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