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Message-Id: <20080527124330.12e0d1f3.akpm@linux-foundation.org>
Date: Tue, 27 May 2008 12:43:30 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: "Alessandro Suardi" <alessandro.suardi@...il.com>
Cc: hancockr@...w.ca, jgarzik@...ox.com, linux-kernel@...r.kernel.org,
linux-acpi@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
Thomas Gleixner <tglx@...utronix.de>
Subject: Re: SATA disk reports DRDY and goes to PIO0 eventually. noapic
fixes it
On Mon, 19 May 2008 21:50:47 +0200
"Alessandro Suardi" <alessandro.suardi@...il.com> wrote:
> On Mon, May 19, 2008 at 4:08 AM, Robert Hancock <hancockr@...w.ca> wrote:
> > Alessandro Suardi wrote:
> >>
> >> Since some time I noticed my nephew's Fedora 8 box would have
> >> some noise in /var/log/messages with timeouts reported by the
> >> SATA layer, with the drive in DRDY state. Flux is like this (from
> >> the base Fedora 9 kernel installed today):
> >>
> >> May 17 17:18:39 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:18:39 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 16392 in
> >> May 17 17:18:39 rospo kernel: cdb 4a 01 00 00 10 00 00 00 08
> >> 00 00 00 00 00 00 00
> >> May 17 17:18:39 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:18:39 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:18:39 rospo kernel: ata4: soft resetting link
> >> May 17 17:18:39 rospo kernel: ata4.00: configured for UDMA/33
> >> May 17 17:18:39 rospo kernel: ata4: EH complete
> >> May 17 17:18:40 rospo kernel: ALSA sound/usb/usbaudio.c:1353: setting
> >> usb interface 1:1
> >> May 17 17:18:40 rospo kernel: ALSA sound/usb/usbaudio.c:1353: setting
> >> usb interface 1:1
> >> May 17 17:18:46 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:18:46 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 16392 in
> >> May 17 17:18:46 rospo kernel: cdb 4a 01 00 00 10 00 00 00 08
> >> 00 00 00 00 00 00 00
> >> May 17 17:18:46 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:18:46 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:18:46 rospo kernel: ata4: soft resetting link
> >> May 17 17:18:46 rospo kernel: ata4.00: configured for UDMA/33
> >> May 17 17:18:46 rospo kernel: ata4: EH complete
> >> May 17 17:18:53 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:18:53 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 16392 in
> >> May 17 17:18:53 rospo kernel: cdb 4a 01 00 00 10 00 00 00 08
> >> 00 00 00 00 00 00 00
> >> May 17 17:18:53 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:18:53 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:18:53 rospo kernel: ata4: soft resetting link
> >> May 17 17:18:54 rospo kernel: ata4.00: configured for UDMA/33
> >> May 17 17:18:54 rospo kernel: ata4: EH complete
> >> May 17 17:19:01 rospo kernel: ata4.00: limiting speed to UDMA/25:PIO4
> >> May 17 17:19:01 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:19:01 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 16392 in
> >> May 17 17:19:01 rospo kernel: cdb 4a 01 00 00 10 00 00 00 08
> >> 00 00 00 00 00 00 00
> >> May 17 17:19:01 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:19:01 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:19:01 rospo kernel: ata4: soft resetting link
> >> May 17 17:19:01 rospo kernel: ata4.00: configured for UDMA/25
> >> May 17 17:19:01 rospo kernel: ata4: EH complete
> >> May 17 17:19:01 rospo kernel: sr0: CDROM (ioctl) error, command: Get
> >> event status notification 4a 01 00 00 10 00 00 00 08 00
> >> May 17 17:19:01 rospo kernel: sr: Sense Key : Aborted Command
> >> [current] [descriptor]
> >> May 17 17:19:01 rospo kernel: sr: Add. Sense: No additional sense
> >> information
> >> May 17 17:19:06 rospo kernel: ALSA sound/usb/usbaudio.c:1353: setting
> >> usb interface 1:1
> >> May 17 17:19:06 rospo kernel: ALSA sound/usb/usbaudio.c:1353: setting
> >> usb interface 1:1
> >> May 17 17:19:11 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:19:11 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> >> May 17 17:19:11 rospo kernel: cdb 1e 00 00 00 00 00 00 00 00
> >> 00 00 00 00 00 00 00
> >> May 17 17:19:11 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:19:11 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:19:11 rospo kernel: ata4: soft resetting link
> >> May 17 17:19:12 rospo kernel: ata4.00: configured for UDMA/25
> >> May 17 17:19:12 rospo kernel: ata4: EH complete
> >> May 17 17:19:22 rospo kernel: ata4.00: limiting speed to PIO4
> >> May 17 17:19:22 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:19:22 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> >> May 17 17:19:22 rospo kernel: cdb 1e 00 00 00 00 00 00 00 00
> >> 00 00 00 00 00 00 00
> >> May 17 17:19:22 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:19:22 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:19:22 rospo kernel: ata4: soft resetting link
> >> May 17 17:19:22 rospo kernel: ata4.00: configured for PIO4
> >> May 17 17:19:22 rospo kernel: ata4: EH complete
> >> May 17 17:19:32 rospo kernel: ata4.00: limiting speed to PIO3
> >> May 17 17:19:32 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:19:32 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> >> May 17 17:19:32 rospo kernel: cdb 1e 00 00 00 00 00 00 00 00
> >> 00 00 00 00 00 00 00
> >> May 17 17:19:32 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:19:32 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:19:32 rospo kernel: ata4: soft resetting link
> >> May 17 17:19:33 rospo kernel: ata4.00: configured for PIO3
> >> May 17 17:19:33 rospo kernel: ata4: EH complete
> >> May 17 17:19:43 rospo kernel: ata4.00: limiting speed to PIO0
> >> May 17 17:19:43 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:19:43 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> >> May 17 17:19:43 rospo kernel: cdb 1e 00 00 00 00 00 00 00 00
> >> 00 00 00 00 00 00 00
> >> May 17 17:19:43 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:19:43 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:19:43 rospo kernel: ata4: soft resetting link
> >> May 17 17:19:43 rospo kernel: ata4.00: configured for PIO0
> >> May 17 17:19:43 rospo kernel: ata4: EH complete
> >> May 17 17:19:50 rospo kernel: ALSA sound/usb/usbaudio.c:1353: setting
> >> usb interface 1:1
> >> May 17 17:19:50 rospo kernel: ALSA sound/usb/usbaudio.c:1353: setting
> >> usb interface 1:1
> >> May 17 17:19:53 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:19:53 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> >> May 17 17:19:53 rospo kernel: cdb 1e 00 00 00 00 00 00 00 00
> >> 00 00 00 00 00 00 00
> >> May 17 17:19:53 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:19:53 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:19:53 rospo kernel: ata4: soft resetting link
> >> May 17 17:19:54 rospo kernel: ata4.00: configured for PIO0
> >> May 17 17:19:54 rospo kernel: ata4: EH complete
> >> May 17 17:20:01 rospo kernel: ALSA sound/usb/usbaudio.c:1353: setting
> >> usb interface 1:1
> >> May 17 17:20:04 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:20:04 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> >> May 17 17:20:04 rospo kernel: cdb 1e 00 00 00 00 00 00 00 00
> >> 00 00 00 00 00 00 00
> >> May 17 17:20:04 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:20:04 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:20:04 rospo kernel: ata4: soft resetting link
> >> May 17 17:20:04 rospo kernel: ata4.00: configured for PIO0
> >> May 17 17:20:04 rospo kernel: ata4: EH complete
> >> May 17 17:20:04 rospo kernel: sr 3:0:0:0: ioctl_internal_command
> >> return code = 8000002
> >> May 17 17:20:04 rospo kernel: : Sense Key : Aborted Command
> >> [current] [descriptor]
> >> May 17 17:20:04 rospo kernel: : Add. Sense: No additional sense
> >> information
> >> May 17 17:20:34 rospo kernel: ata4.00: exception Emask 0x0 SAct 0x0
> >> SErr 0x0 action 0x2 frozen
> >> May 17 17:20:34 rospo kernel: ata4.00: cmd
> >> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> >> May 17 17:20:34 rospo kernel: cdb 00 00 00 00 00 00 00 00 00
> >> 00 00 00 00 00 00 00
> >> May 17 17:20:34 rospo kernel: res
> >> 40/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> >> May 17 17:20:34 rospo kernel: ata4.00: status: { DRDY }
> >> May 17 17:20:34 rospo kernel: ata4: soft resetting link
> >> May 17 17:20:35 rospo kernel: ata4.00: configured for PIO0
> >> May 17 17:20:35 rospo kernel: ata4: EH complete
> >>
> >> ..and on and on and on.
> >>
> >> Reading another report on lkml I turned to the ATA wiki @ kernel.org
> >> today, as even the newest Fedora 9 update (2.6.25.3-18) was still
> >> behaving the same way - pci=nomsi wasn't useful, acpi=off was
> >> also not useful, noapic did instead get rid of the messages, even
> >> under 'find /' (which would usually turn up the ATA resets in less
> >> than 10 seconds).
> >>
> >> Is there anything more useful than simply booting noapic that
> >> can be done here, or is that it ?
> >
> > Please post the full dmesg output from bootup. We can't see what controller
> > type this is, etc.
>
> Robert,
>
> thanks for replying. Of course now that I look a bit more into
> the messages file, I notice that ATA 4.00 is the DVD drive,
> not the disk <blush>
>
> Funny as there is nothing in the DVD drive... oh well.
>
> /var/log/messages attached as a .gz file since I'm not sure it's
> small enough to avoid being bounced by vger.
>
It'd be nice to fix one of these noapic-fixes-stuff bugs one day :(
`grep -i apic' says:
May 17 15:41:17 rospo kernel: ACPI: APIC 3FFC0390, 0078 (r1 A M I OEMAPIC 11000617 MSFT 97)
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x82] disabled)
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x04] lapic_id[0x83] disabled)
May 17 15:41:17 rospo kernel: ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
May 17 15:41:17 rospo kernel: IOAPIC[0]: apic_id 2, address 0xfec00000, GSI 0-23
May 17 15:41:17 rospo kernel: ACPI: IOAPIC (id[0x03] address[0xfecc0000] gsi_base[24])
May 17 15:41:17 rospo kernel: IOAPIC[1]: apic_id 3, address 0xfecc0000, GSI 24-47
May 17 15:41:17 rospo kernel: Setting APIC routing to flat
May 17 15:41:17 rospo kernel: Using local APIC timer interrupts.
May 17 15:41:17 rospo kernel: Detected 16.625 MHz APIC timer.
May 17 15:41:17 rospo kernel: Booting processor 1/2 APIC 0x1
May 17 15:41:17 rospo kernel: ACPI: Using IOAPIC for interrupt routing
May 17 15:41:17 rospo kernel: pci 0000:00:11.0: Bypassing VIA 8237 APIC De-Assert Message
Is that disbling of local APICs expected?
May 17 15:41:17 rospo kernel: ACPI: PM-Timer IO Port: 0x808
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
May 17 15:41:17 rospo kernel: Processor #0 (Bootup-CPU)
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
May 17 15:41:17 rospo kernel: Processor #1
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x03] lapic_id[0x82] disabled)
May 17 15:41:17 rospo kernel: ACPI: LAPIC (acpi_id[0x04] lapic_id[0x83] disabled)
May 17 15:41:17 rospo kernel: ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
May 17 15:41:17 rospo kernel: IOAPIC[0]: apic_id 2, address 0xfec00000, GSI 0-23
May 17 15:41:17 rospo kernel: ACPI: IOAPIC (id[0x03] address[0xfecc0000] gsi_base[24])
May 17 15:41:17 rospo kernel: IOAPIC[1]: apic_id 3, address 0xfecc0000, GSI 24-47
May 17 15:41:17 rospo kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
May 17 15:41:17 rospo kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
May 17 15:41:17 rospo kernel: Setting APIC routing to flat
May 17 15:41:17 rospo kernel: Using ACPI (MADT) for SMP configuration information
As the machine only has two CPUs I guess it's a BIOS wart.
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