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Sporadic I/O errors


GekkoGeck0
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I just built a new system and have been using Mandriva (2009.1 Spring 64-bit) on it for about a month. About a week ago I started getting I/O errors across the board. I immediately rebooted into Windows and checked the drive. No problems with it and I spent the next week in Windows because I didn't have the time to go back and diagnose the issue in Linux.

 

I rebooted last night and after having to run fsck manually (Inodes that were part of a corrupted orphan were found) everything was appearing to work normally until now:

 

Oct 5 13:36:58 localhost klogd: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen

Oct 5 13:36:58 localhost klogd: ata2.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0

Oct 5 13:36:58 localhost klogd: res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)

Oct 5 13:36:58 localhost klogd: ata2.00: status: { DRDY }

Oct 5 13:36:58 localhost klogd: ata2.00: hard resetting link

Oct 5 13:36:58 localhost klogd: ata2.01: hard resetting link

Oct 5 13:37:04 localhost klogd: ata2.00: link is slow to respond, please be patient (ready=0)

Oct 5 13:37:08 localhost klogd: ata2.00: SRST failed (errno=-16)

Oct 5 13:37:08 localhost klogd: ata2.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

Oct 5 13:37:08 localhost klogd: ata2.01: SATA link down (SStatus 0 SControl 300)

Oct 5 13:37:08 localhost klogd: ata2.00: link online but device misclassified, retrying

Oct 5 13:37:08 localhost klogd: ata2.00: hard resetting link

Oct 5 13:37:08 localhost klogd: ata2.01: hard resetting link

Oct 5 13:37:14 localhost klogd: ata2.00: link is slow to respond, please be patient (ready=0)

Oct 5 13:37:18 localhost klogd: ata2.00: SRST failed (errno=-16)

Oct 5 13:37:18 localhost klogd: ata2.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

Oct 5 13:37:18 localhost klogd: ata2.01: SATA link down (SStatus 0 SControl 300)

Oct 5 13:37:18 localhost klogd: ata2.00: link online but device misclassified, retrying

Oct 5 13:37:18 localhost klogd: ata2.00: hard resetting link

Oct 5 13:37:18 localhost klogd: ata2.01: hard resetting link

Oct 5 13:37:24 localhost klogd: ata2.00: link is slow to respond, please be patient (ready=0)

Oct 5 13:37:30 localhost klogd: npviewer.bin[13854]: segfault at f6a45470 ip 00000000f6a45470 sp 00000000e9e1803c error 14

Oct 5 13:37:53 localhost klogd: ata2.00: SRST failed (errno=-16)

Oct 5 13:37:53 localhost klogd: ata2.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

Oct 5 13:37:53 localhost klogd: ata2.01: SATA link down (SStatus 0 SControl 300)

Oct 5 13:37:53 localhost klogd: ata2.00: link online but device misclassified, retrying

Oct 5 13:37:53 localhost klogd: ata2.00: limiting SATA link speed to 1.5 Gbps

Oct 5 13:37:53 localhost klogd: ata2.01: limiting SATA link speed to 1.5 Gbps

Oct 5 13:37:53 localhost klogd: ata2.00: hard resetting link

Oct 5 13:37:53 localhost klogd: ata2.01: hard resetting link

Oct 5 13:37:58 localhost klogd: ata2.00: SRST failed (errno=-16)

Oct 5 13:37:58 localhost klogd: ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Oct 5 13:37:58 localhost klogd: ata2.01: SATA link down (SStatus 0 SControl 310)

Oct 5 13:37:58 localhost klogd: ata2.00: link online but device misclassified, device detection might fail

Oct 5 13:37:59 localhost klogd: ata2.00: revalidation failed (errno=-2)

Oct 5 13:38:03 localhost klogd: ata2.00: hard resetting link

Oct 5 13:38:03 localhost klogd: ata2.01: hard resetting link

Oct 5 13:38:04 localhost klogd: ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310)

Oct 5 13:38:04 localhost klogd: ata2.01: SATA link down (SStatus 0 SControl 310)

Oct 5 13:38:04 localhost klogd: ata2.00: configured for UDMA/133

Oct 5 13:38:04 localhost klogd: ata2: EH complete

Oct 5 13:38:04 localhost klogd: sd 1:0:0:0: [sdb] 1953525168 512-byte hardware sectors: (1.00 TB/931 GiB)

Oct 5 13:38:04 localhost klogd: end_request: I/O error, dev sdb, sector 17247991

Oct 5 13:38:04 localhost klogd: Aborting journal on device sdb1:8.

Oct 5 13:38:04 localhost klogd: sd 1:0:0:0: [sdb] Write Protect is off

Oct 5 13:38:04 localhost klogd: ext4_abort called.

Oct 5 13:38:04 localhost klogd: EXT4-fs error (device sdb1): ext4_journal_start_sb: Detected aborted journal

Oct 5 13:38:04 localhost klogd: Remounting filesystem read-only

Oct 5 13:38:04 localhost klogd: sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

Oct 5 13:38:04 localhost klogd: journal commit I/O error

 

This didn't appear until I started downloading a few large files through a torrent. This also started happening last time that I was using BitTorrent.

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You'll have to run fsck on /dev/sdb1 from the looks of things, but it will need to be unmounted first so that you can do it.

 

If you are continually getting this problem, then something is clearly wrong. I'm using ext4 and had a problem once when my /home didn't mount, but luckily I've not had it since.

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I've had repeated problems with a SATA link (for my DVD burner), until I plugged out, and back in, all SATA connectors… Worth checking.

 

I don't know where the SATA connector comes from, but surely the design work was done by a trainee!

 

Yves.

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  • 4 weeks later...

Can you post your /etc/fstab please?

 

Yes. I've not had a lot of time to work on the computer lately but I'm finally back in Linux (I'm forced into Windows because of this). I have no problems whatsoever in Windows with accessing/writing to any of my drives.

 

My fstab:

 

# Entry for /dev/sda5 :
UUID=b4d5c598-4cb1-4555-be9d-869cf0da9a78 / ext4 relatime 1 1
# Entry for /dev/sdb1 :
UUID=28e1570a-c15a-4cc3-ace4-60271d9299af /home ext4 relatime 1 2
/dev/cdrom /media/cdrom auto umask=0,users,iocharset=utf8,noauto,ro,exec 0 0
# Entry for /dev/sda1 :
UUID=3ED03D08D03CC843 /mnt/win_c ntfs-3g defaults,umask=000 0 0
# Entry for /dev/sdb5 :
UUID=94F00622F0060B66 /mnt/win_c2 ntfs-3g defaults,umask=000 0 0
# Entry for /dev/sdc1 :
UUID=1234-5678 /mnt/win_c3 vfat umask=000,iocharset=utf8 0 0
none /proc proc defaults 0 0
# Entry for /dev/sda6 :
UUID=b0ca92e5-68d6-4330-9fa0-f1668b17fe1e swap swap defaults 0 0

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