linux-kernel - Re: libata [ata_piix] still no resume from S3 ?

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Message-ID: <469DD216.5040305@gmail.com>
Date:	Wed, 18 Jul 2007 17:40:54 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Rúben Fonseca <krani1@...2.com>
CC:	Linux Kernel Mailling List <linux-kernel@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>
Subject: Re: libata [ata_piix] still no resume from S3 ?

[cc'ing linux-ide]

Rúben Fonseca wrote:
> On Fri, 13 Jul 2007, Tejun Heo wrote:
> 
>> Rúben Fonseca wrote:
>>> Hi to all!
>>>
>>> I'm on Debian Sid with kernel 2.6.21 and I still can't resume my laptop
>>> (Sony Vaio SZ2) from S3. Searched on the archive and it seems that SATA 
>>> drives are getting problems when used via the "new" libata. When the
>>> laptop tries to resume, it can't access the hard drive anymore (the LED
>>> never blinks), the filesystem is mounted read-only and of course, the
>>> system hangs. I still can see a "Lost interrupt" apearing on my LCD when
>>> it is resuming. Sometimes it is IRQ 22, other times it is IRQ 23.
>>>
>>> Is this still a know problem? Does 2.6.22 solve this already? If you
>>> need more information about my environment, please ask :)
>> Actually, 'lost interrupt' is from the "old" IDE driver.  Care to give a
>> shot at the new one?
> 
> Sorry, it was my mistake. Here's more info about the problem.
> I had to copy "by hand" the trace, so I remove the hexadecimal parts
> (if you need them, please ask i Will try to copy them too). For now
> I just want to know if you can diagnose this problem, or need more info.
> So here's the interesting (I think) part of the log after resume:
> 
> irq 23: nobody cared (try booting with the "irqpool" option)
>  __report_bad_irq
>  note_interrupt
>  handle_IRQ_event
>  handle_fasteoi_irq
>  do_IRQ
>  do_IRQ
>  irq_exit
>  smp_acpi_timer
>  common_interrupt
>  acpi_pm_read
>  getnstimeofday
>  ktime_get_ts
>  ktime_egt
>  tick_nohz_restart_sched_tick
>  cpu_idle
>  start_kernel
>  unkown_bootoption
>  =====
> handlers:
>  (ata_interrupt [libata])
>  (tifm_7xx1_isr [tifm_7xx1])
> Disabling IRQ #23
> (...)
> ATA: abnormal status 0x7F on port 0x000118cf
> 
> And hard drive never cames up.. have to hard reboot the machine..
> Does it help?

Hmmm... That's 'nobody cared' during resume.  Please post the result of
'lspci -nnvvv'.

-- 
tejun
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