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Message-ID: <4C223F8A.9030306@odi.ch>
Date: Wed, 23 Jun 2010 19:08:26 +0200
From: Ortwin Glück <odi@....ch>
To: linux-kernel@...r.kernel.org
Subject: ata link not reset properly
>From time to time this nVidia SATA controller chokes on a FLUSH CACHE.
1. why does the kernel not try to HARD reset the link?
2. it would be nice to have the possibility to manually force a (hard) reset or
to re-initialize the device. Other than rebooting I mean :-)
Thanks.
Ortwin
Kernel is basically a 2.6.32.8 with a cherry picked fix:
http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git;a=blob;f=queue-2.6.33/enable-retries-for-syncronize_cache-commands-to-fix-i-o-error.patch;h=2401e54b05502803889d4ece2afefc3e2b64995f;hb=117d7c078957b2e200e3fcf06c182422366764b0
Jun 23 12:06:48 gollum kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0
action 0x6 frozen
Jun 23 12:06:48 gollum kernel: ata2.00: failed command: FLUSH CACHE
Jun 23 12:06:48 gollum kernel: ata2.00: cmd e7/00:00:00:00:00/00:00:00:00:00/a0
tag 0
Jun 23 12:06:48 gollum kernel: res 40/00:01:00:00:00/00:00:00:00:00/a0 Emask 0x4
(timeout)
Jun 23 12:06:48 gollum kernel: ata2.00: status: { DRDY }
Jun 23 12:06:53 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:06:53 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:07:59 gollum kernel: ata2: device not ready (errno=-16), forcing hardreset
Jun 23 12:07:59 gollum kernel: ata2: device not ready (errno=-16), forcing hardreset
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:07:59 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:07:59 gollum kernel: ata2: SRST failed (errno=-16)
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:07:59 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:07:59 gollum kernel: ata2: SRST failed (errno=-16)
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:07:59 gollum kernel: ata2: link is slow to respond, please be patient
(ready=0)
Jun 23 12:07:59 gollum kernel: ata2: SRST failed (errno=-16)
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: soft resetting link
Jun 23 12:07:59 gollum kernel: ata2: SRST failed (errno=-16)
Jun 23 12:07:59 gollum kernel: ata2: reset failed, giving up
Jun 23 12:07:59 gollum kernel: ata2.00: disabled
Jun 23 12:07:59 gollum kernel: ata2.00: disabled
Jun 23 12:07:59 gollum kernel: ata2.01: disabled
Jun 23 12:07:59 gollum kernel: ata2.01: disabled
Jun 23 12:07:59 gollum kernel: ata2.00: device reported invalid CHS sector 0
Jun 23 12:07:59 gollum kernel: ata2.00: device reported invalid CHS sector 0
Jun 23 12:07:59 gollum kernel: ata2: EH complete
Jun 23 12:07:59 gollum kernel: ata2: EH complete
Jun 23 12:07:59 gollum kernel: end_request: I/O error, dev sdb, sector 58604962
Jun 23 12:07:59 gollum kernel: md: super_written gets error=-5, uptodate=0
Jun 23 12:07:59 gollum kernel: md: super_written gets error=-5, uptodate=0
Jun 23 12:07:59 gollum kernel: raid1: Disk failure on sdb3, disabling device.
Jun 23 12:07:59 gollum kernel: raid1: Operation continuing on 1 devices.
Jun 23 12:07:59 gollum kernel: RAID1 conf printout:
Jun 23 12:07:59 gollum kernel: RAID1 conf printout:
Jun 23 12:07:59 gollum kernel: --- wd:1 rd:2
Jun 23 12:07:59 gollum kernel: --- wd:1 rd:2
Jun 23 12:07:59 gollum kernel: disk 0, wo:0, o:1, dev:sda3
Jun 23 12:07:59 gollum kernel: disk 0, wo:0, o:1, dev:sda3
Jun 23 12:07:59 gollum kernel: disk 1, wo:1, o:0, dev:sdb3
Jun 23 12:07:59 gollum kernel: disk 1, wo:1, o:0, dev:sdb3
Jun 23 12:07:59 gollum kernel: RAID1 conf printout:
Jun 23 12:07:59 gollum kernel: RAID1 conf printout:
Jun 23 12:07:59 gollum kernel: --- wd:1 rd:2
Jun 23 12:07:59 gollum kernel: --- wd:1 rd:2
Jun 23 12:07:59 gollum kernel: disk 0, wo:0, o:1, dev:sda3
Jun 23 12:07:59 gollum kernel: disk 0, wo:0, o:1, dev:sda3
lspci:
00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1)
00:1e.0 0604: 10de:01e8 (rev c1)
ATA initialization:
Jun 23 18:46:38 gollum kernel: ata2.00: ATA-5: IC25N030ATCS04-0, CA3OA71A, max
UDMA/100
Jun 23 18:46:38 gollum kernel: ata2.00: ATA-5: IC25N030ATCS04-0, CA3OA71A, max
UDMA/100
Jun 23 18:46:38 gollum kernel: ata2.00: 58605120 sectors, multi 16: LBA
Jun 23 18:46:38 gollum kernel: ata2.00: 58605120 sectors, multi 16: LBA
Jun 23 18:46:38 gollum kernel: ata2.01: ATAPI: Pioneer DVD-ROM ATAPIModel
DVD-115 0127, E1.27, max UDMA/33
Jun 23 18:46:38 gollum kernel: ata2.01: ATAPI: Pioneer DVD-ROM ATAPIModel
DVD-115 0127, E1.27, max UDMA/33
Jun 23 18:46:38 gollum kernel: ata2: nv_mode_filter: 0x3f39f&0x3f39f->0x3f39f,
BIOS=0x3f000 (0xc700c6c0) ACPI=0x3f01f (20:60:0x1f)
Jun 23 18:46:38 gollum kernel: ata2: nv_mode_filter: 0x739f&0x739f->0x739f,
BIOS=0x7000 (0xc700c6c0) ACPI=0x701f (20:60:0x1f)
Jun 23 18:46:38 gollum kernel: ata2.00: configured for UDMA/100
Jun 23 18:46:38 gollum kernel: ata2.00: configured for UDMA/100
Jun 23 18:46:38 gollum kernel: ata2.01: configured for UDMA/33
Jun 23 18:46:38 gollum kernel: ata2.01: configured for UDMA/33
Jun 23 18:46:38 gollum kernel: scsi 1:0:0:0: Direct-Access ATA
IC25N030ATCS04-0 CA3O PQ: 0 ANSI: 5
Jun 23 18:46:38 gollum kernel: scsi 1:0:0:0: Direct-Access ATA
IC25N030ATCS04-0 CA3O PQ: 0 ANSI: 5
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] 58605120 512-byte logical
blocks: (30.0 GB/27.9 GiB)
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] 58605120 512-byte logical
blocks: (30.0 GB/27.9 GiB)
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] Write Protect is off
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] Write Protect is off
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read
cache: enabled, doesn't support DPO or FUA
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read
cache: enabled, doesn't support DPO or FUA
Jun 23 18:46:38 gollum kernel: sdb:
Jun 23 18:46:38 gollum kernel: sdb:
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: Attached scsi generic sg1 type 0
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: Attached scsi generic sg1 type 0
Jun 23 18:46:38 gollum kernel: sdb1 sdb2 sdb3
Jun 23 18:46:38 gollum kernel: sdb1 sdb2 sdb3
Jun 23 18:46:38 gollum kernel: scsi 1:0:1:0: CD-ROM PIONEER DVD-ROM
DVD-115F 1.27 PQ: 0 ANSI: 5
Jun 23 18:46:38 gollum kernel: scsi 1:0:1:0: CD-ROM PIONEER DVD-ROM
DVD-115F 1.27 PQ: 0 ANSI: 5
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] Attached SCSI disk
Jun 23 18:46:38 gollum kernel: sd 1:0:0:0: [sdb] Attached SCSI disk
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