SD Card / Kernel Errors

[rtp...@comcast.net]

Hello Folks,
This is my first post to the group. I'm building my own images using OE and I've had great success thus far (Thanks to the community for getting this working so well!). I'm looking for a way to "help out" with the beagleboard and I thought I might start with a problem that I've been having with my setup.

I'm building OE, using angstrom 2008 and console-image. I get a bootable setup but on startup I always see a stream of errors about SD card access. I'm using a new 4GB SDHC card and it works, BUT I just wanted to run down all the error messages:

Waiting 2sec before mounting root device...
mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: new SDHC card at address d555
mmcblk0: mmc0:d555 SD04G 3979776KiB
mmcblk0: p1 p2 p3 < p5 >
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing init memory: 176K
end_request: I/O error, dev mtdblock0, sector 0
Buffer I/O error on device mtdblock0, logical block 0
end_request: I/O error, dev mtdblock0, sector 8
Buffer I/O error on device mtdblock0, logical block 1
end_request: I/O error, dev mtdblock0, sector 16
Buffer I/O error on device mtdblock0, logical block 2
end_request: I/O error, dev mtdblock0, sector 24
Buffer I/O error on device mtdblock0, logical block 3
end_request: I/O error, dev mtdblock0, sector 0
Buffer I/O error on device mtdblock0, logical block 0
EXT3 FS on mmcblk0p2, internal journal

uname -a says this:

Linux beagleboard 2.6.26-omap1 #1 Fri Oct 3 02:01:41 EDT 2008 armv7l unknown

I'm comfortable programming / kernel hacking, etc. (but not that familiar within the OE environment, yet!) and would like to coordinate with folks to try and help so I thought I'd start here. I have the same errors on several other 4GB and 2GB cards.

It might just be a stupid error, but I'd like to run it to ground. I've updated to the very latest org.openembedded.dev monotone database and I'll be doing a re-build tonight of a slightly more comprehensive setup (x11 based).

-Sincerely,
Todd Pack

P.S. - I'd also like to report to folks that I bought and tried the TrendNet TU2-ET100 USB/Ethernet adapter and it worked instantly on a powered hub attached to by beagleboard (once I told the OTG to become a host). However, it seemed to "disconnect" from the hub every 15 minutes or so for some reason. In case you too were looking for a good way to get Ethernet into your beagleboard...

[Koen Kooi]

On 7 okt, 05:15, rtp...@comcast.net wrote:
> Hello Folks,
>      This is my first post to the group. I'm building my own images using OE and I've had great success thus far (Thanks to the community for getting this working so well!). I'm looking for a way to "help out" with the beagleboard and I thought I might start with a problem that I've been having with my setup.
>
> I'm building OE, using angstrom 2008 and console-image. I get a bootable setup but on startup I always see a stream of errors about SD card access.

Actually it's being caused by udev 124 probing the nand partitions, it
shouldn't affect anything.

regards,

Koen

[Caillyn Benbow]

Ahhh, i got caught out with that one....actually, its not an error with the SD card, i think its talking about the NAND flash...note it says mtdblock0.....thats an MTD ( Memory Technology Device ) device, not an MMC ( SD card ) device.

I think you can safely ignore it, unless im missing something blatantly obvious....

--
----------------------------------
Caillyn Benbow

http://www.caillyn.com
----------------------------------

[JustinLove]

rtp...@comcast.net wrote:
> P.S. - I'd also like to report to folks that I bought and tried the TrendNet
TU2-ET100 USB/Ethernet adapter and it worked instantly on a powered hub

I just got it working as well, however, using a recent angstrom .27, I had to
install kernel-module-pegasus, and add it to /etc/modules.

--
Justin Love

Creative Electronics & Software
650 Sundown Road
South Elgin, IL 60177

Phone (847) 695-0023
FAX (847) 695-0483

[rtp...@comcast.net]

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[rtp...@comcast.net]