David, Keep it at libata.dma=3 for now and see what happens.
But later on if things are working (1 week or more) you might try: $ set-kcmd libata.dma=7 and reboot to apply it. You will notice much faster CF access if you indeed have a SanDisk Ultra II. Lonnie On Feb 18, 2014, at 9:25 PM, David Kerr wrote: > 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 > > > > > > ------------------------------------------------------------------------------ > > Android apps run on BlackBerry 10 > > Introducing the new BlackBerry 10.2.1 Runtime for Android apps. > > Now with support for Jelly Bean, Bluetooth, Mapview and more. > > Get your Android app in front of a whole new audience. Start now. > > http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk > > _______________________________________________ > > Astlinux-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/astlinux-users > > > > Donations to support AstLinux are graciously accepted via PayPal to > > [email protected]. > > > > ------------------------------------------------------------------------------ > > Managing the Performance of Cloud-Based Applications > > Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. > > Read the Whitepaper. > > http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk_______________________________________________ > > Astlinux-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/astlinux-users > > > > Donations to support AstLinux are graciously accepted via PayPal to > > [email protected]. > > > ------------------------------------------------------------------------------ > Managing the Performance of Cloud-Based Applications > Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. > Read the Whitepaper. > http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk > _______________________________________________ > Astlinux-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/astlinux-users > > Donations to support AstLinux are graciously accepted via PayPal to > [email protected]. > > ------------------------------------------------------------------------------ > Managing the Performance of Cloud-Based Applications > Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. > Read the Whitepaper. > http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk_______________________________________________ > Astlinux-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/astlinux-users > > Donations to support AstLinux are graciously accepted via PayPal to > [email protected]. ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk _______________________________________________ Astlinux-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to [email protected].
