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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: "Alexander Beregalov" <a.beregalov@gmail.com>
Subject: Re: 2.6.26-rc: host can not shutdown: ata problem
Date: Sat, 5 Jul 2008 22:13:01 +0200
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       "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       Tejun Heo <htejun@gmail.com>
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[Adding CCs.]

On Thursday, 3 of July 2008, Alexander Beregalov wrote:
> Hi
> 
> A host does not go down.
> I also tried it with `irqpoll` with the same result.
> 
> 
> Remaining filesystems read-only ...
>  / ...
> irq 18: nobody cared (try booting with the "irqpoll" option)
> Pid: 0, comm: swapper Not tainted 2.6.26-rc8 #2
>  [<c0141678>] __report_bad_irq+0x2e/0x6f
>  [<c014187f>] note_interrupt+0x1c6/0x21f
>  [<c0140fee>] ? handle_IRQ_event+0x3e/0x46
>  [<c0141e11>] handle_fasteoi_irq+0x86/0xab
>  [<c0141d8b>] ? handle_fasteoi_irq+0x0/0xab
>  [<c0104c54>] do_IRQ+0xb6/0xe2
>  [<c0101daf>] ? default_idle+0x0/0x55
>  [<c0101daf>] ? default_idle+0x0/0x55
>  [<c010372e>] common_interrupt+0x2e/0x34
>  [<c0101daf>] ? default_idle+0x0/0x55
>  [<c0101daf>] ? default_idle+0x0/0x55
>  [<c0101de4>] ? default_idle+0x35/0x55
>  [<c0101d7a>] cpu_idle+0x62/0x97
>  [<c0353270>] rest_init+0x5c/0x5e
>  =======================
> handlers:
> [<c02df1df>] (ata_sff_interrupt+0x0/0xab)
> Disabling IRQ #18
> atkbd serio0: shutdown
> i8042 i8042: shutdown
> sd 3:0:1:0: shutdown
> sd 3:0:1:0: [sdd] Synchronizing SCSI cache
> ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> ata4.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
>          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> ata4.00: status: { DRDY }
> ata4: soft resetting link
> ata4.00: configured for UDMA/100
> ata4: EH complete
> ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> ata4.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
>          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> ata4.00: status: { DRDY }
> ata4: soft resetting link
> ata4.00: configured for UDMA/100
> ata4: EH complete
> ata4.00: limiting speed to UDMA/66:PIO4
> 
> and so on ..
> 
> 
> Controller is
> Promise Technology, Inc. PDC20270 (FastTrak100 LP/TX2/TX4) (rev 02)
> 
> pata_pdc2027x 0000:01:0a.0: PLL input clock 16692 kHz
> scsi2 : pata_pdc2027x
> scsi3 : pata_pdc2027x
> ata3: PATA max UDMA/100 mmio m65536@0xed040000 cmd 0xed0417c0 irq 18
> ata4: PATA max UDMA/100 mmio m65536@0xed040000 cmd 0xed0415c0 irq 18
> ata3.00: ATA-7: ST3250823A, 3.03, max UDMA/100
> ata3.00: 488397168 sectors, multi 16: LBA48
> ata3.00: configured for UDMA/100
> ata4.01: HPA detected: current 488395055, native 488397168
> ata4.01: ATA-7: ST3250824A, 3.AAD, max UDMA/100
> ata4.01: 488395055 sectors, multi 16: LBA48
> ata4.01: configured for UDMA/100
> --
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> 



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