Looks like it is set to default....
*pbx **~ # *cat /proc/cmdline
root=/dev/ram0 rw init=/linuxrc astimg=astlinux-1.1.4.run astlinux=alix
astkd=auto asturw=auto astlive libata.dma=3 console=ttyS0,38400n8
*pbx **~ #*
Should I enable it for CF? I have a SanDisk Ultra II I think.
David
On Tue, Feb 18, 2014 at 10:11 PM, Lonnie Abelbeck <[email protected]
> wrote:
> 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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