linux-kernel - Re: bug report

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Date:	Mon, 29 Sep 2008 10:36:31 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Simon Holm Thøgersen <odie@...aau.dk>
CC:	Todor Gyumyushev <todor@...urnosoft.biz>,
	Jens Axboe <jens.axboe@...cle.com>,
	Albert Lee <albertcc@...ibm.com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: bug report

Simon Holm Thøgersen wrote:
> [ CC'ing linux-ide mailing list and the people involved in commit
>   56c819df (libata: update ATAPI overflow draining) that introduced the
>   WARN_ON. ]
> 
> ons, 24 09 2008 kl. 20:55 +0300, skrev Todor Gyumyushev:
>> Simon Holm Thøgersen wrote:
>>> ons, 24 09 2008 kl. 12:41 +0300, skrev Todor Gyumyushev:
>>>   
>>>> ------------[ cut here ]------------
>>>> WARNING: at drivers/ata/libata-sff.c:944 ata_sff_hsm_move+0x4a9/0x6a0()
>>>> Modules linked in: cdc_acm eth1394 vboxdrv isofs zlib_inflate ath5k 
>>>> aes_generic nls_utf8 nls_cp437 vfat fat nls_base i915 drm kvm 
>>>> acpi_cpufreq hci_usb rfcomm l2cap pktcdvd nfsd lockd nfs_acl auth_rpcgss 
>>>> sunrpc exportfs fan ac battery microcode firmware_class loop usb_storage 
>>>> usbhid snd_hda_intel arc4 snd_pcm_oss sg ecb crypto_blkcipher 
>>>> snd_mixer_oss cryptomgr snd_pcm snd_timer tpm_infineon sr_mod usblp snd 
>>>> rng_core cdrom ehci_hcd mac80211 thermal ohci1394 ieee1394 processor 
>>>> evdev thermal_sys tpm uhci_hcd iTCO_wdt iTCO_vendor_support soundcore 
>>>> cfg80211 tpm_bios sky2 hwmon snd_page_alloc intel_agp button [last 
>>>> unloaded: ath5k]
>>>> Pid: 0, comm: swapper Tainted: G        W 2.6.26.5 #6
>>>>     
>>> This warning is not the first produced by your system, see the W flag in
>>> the line above. Can you find an earlier warning in your dmesg/log? Or is
>>> it similar to this one?
>>>
>>>   
>>>> Call Trace:
>>>>  <IRQ>  [<ffffffff80236214>] warn_on_slowpath+0x64/0xc0
>>>>  [<ffffffff803c9ec8>] ata_sff_data_xfer+0x98/0xc0
>>>>  [<ffffffff803c96c9>] ata_sff_hsm_move+0x4a9/0x6a0
>>>>  [<ffffffff803c9c13>] ata_sff_interrupt+0x1a3/0x2c0
>>>>  [<ffffffff802748e4>] handle_IRQ_event+0x34/0x70
>>>>  [<ffffffff80275e60>] handle_edge_irq+0xc0/0x160
>>>>  [<ffffffff8020ebac>] do_IRQ+0x7c/0x100
>>>>  [<ffffffff8020bc51>] ret_from_intr+0x0/0xa
>>>>  <EOI>  [<ffffffff8021c800>] lapic_next_event+0x0/0x10
>>>>  [<ffffffff803fbc10>] cpuidle_idle_call+0x0/0x120
>>>>  [<ffffffffa00564bc>] :processor:acpi_idle_enter_simple+0x1c5/0x235
>>>>  [<ffffffffa00564b2>] :processor:acpi_idle_enter_simple+0x1bb/0x235
>>>>  [<ffffffff803fbc10>] cpuidle_idle_call+0x0/0x120
>>>>  [<ffffffff803fbce7>] cpuidle_idle_call+0xd7/0x120
>>>>  [<ffffffff803fbc10>] cpuidle_idle_call+0x0/0x120
>>>>  [<ffffffff803fbc10>] cpuidle_idle_call+0x0/0x120
>>>>  [<ffffffff80209410>] default_idle+0x0/0x50
>>>>  [<ffffffff8020a720>] cpu_idle+0x60/0xd0

Hmm... This shouldn't happen.  Can you please attach full kernel log
including the boot messages?

Thanks.

-- 
tejun
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