Hi David,
Out of curiosity, do you have DMA enabled for your CF card ? (ie, what is
libata.dma= set to in /proc/cmdline)
By default...
$ sed -nr 's/^.* (libata.dma=[^ ]*) .*$/\1/p' /proc/cmdline
libata.dma=3
Change libata.dma= with...
$ set-kcmd
Usage: set-kcmd option
Available Options:
libata.dma= [LIBATA] DMA control
libata.dma=0 Disable all PATA and SATA DMA
libata.dma=1 PATA and SATA Disk DMA only
libata.dma=2 ATAPI (CDROM) DMA only
libata.dma=4 Compact Flash DMA only
Combinations also work, so libata.dma=3 enables DMA
for disks and CDROMs, but not CFs.
Of couse you CF needs to support DMA if you enable it, but most of the newer
ones do.
Lonnie
On Feb 18, 2014, at 8:25 PM, David Kerr wrote:
> So, I removed the CF card and plugged it into another linux system and ran
> fsck. No errors were found. So I backed up everything then put the same
> card back into my Alix system and rebooted. Everything is working fine. I
> have no idea what the problem was but I will keep an eye on the logs closely
> for the next few days and see what happens. I have backup and am running a
> rsync backup or asturw hourly so I can recover if necessary. If problems
> occur again I can always replace the Alix board as I have a second one that I
> used for test purposes in the past, but is presently unused.
>
> David
>
>
> On Fri, Feb 14, 2014 at 12:58 AM, Darrick Hartman <[email protected]>
> wrote:
> Back it up and get a new card. It looks like you are having some sort of
> hardware problems.
>
> -----Original Message-----
> From: David Kerr [[email protected]]
> Received: Thursday, 13 Feb 2014, 11:42PM
> To: AstLinux Users Mailing List [[email protected]]
> Subject: [Astlinux-users] Is my CF card failing?
>
> My log is full of the following messages. Many day's worth. Looks like I
> have a CF card problem? Appears that CDRs are not being logged either. I'm
> afraid to reboot the device in case it doesn't come back up again.
>
> Thoughts?
> David
>
>
>
>
>
> Feb 13 23:54:32 pbx user.err kernel: end_request: I/O error, dev sda, sector
> 3145704
> Feb 13 23:54:32 pbx user.err kernel: EXT2-fs (sda2): previous I/O error to
> superblock detected
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] Unhandled error code
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
> driverbyte=DRIVER_OK
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 00 03 ff c0 00 00 08 00
> Feb 13 23:54:32 pbx user.err kernel: end_request: I/O error, dev sda, sector
> 262080
> Feb 13 23:54:32 pbx user.err kernel: Buffer I/O error on device sda2, logical
> block 0
> Feb 13 23:54:32 pbx user.warn kernel: lost page write due to I/O error on sda2
> Feb 13 23:54:32 pbx user.crit kernel: EXT2-fs (sda2): error: ext2_get_inode:
> unable to read inode block - inode=171522, block=360453
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] Unhandled error code
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
> driverbyte=DRIVER_OK
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] CDB: Read(10): 28 00 00 08 05 30 00 00 08 00
> Feb 13 23:54:32 pbx user.err kernel: end_request: I/O error, dev sda, sector
> 525616
> Feb 13 23:54:32 pbx user.err kernel: EXT2-fs (sda2): previous I/O error to
> superblock detected
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] Unhandled error code
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
> driverbyte=DRIVER_OK
> Feb 13 23:54:32 pbx
> user.info
> kernel: sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 00 03 ff c0 00 00 08 00
> Feb 13 23:54:32 pbx user.err kernel: end_request: I/O error, dev sda, sector
> 262080
>
>
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