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> 2gig Sd On C700 In Oz 3.5.4 ?
gepeto
post May 2 2006, 10:52 AM
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Hi ! I have a c700 for which I have just bought a 2gig Kingston SD card...

The card did not work (getting IO errors) so I brought it back to the store, thinking it was defective..

Now I have another one, and I have the same problem..

Buffer I/O error on device mmcblk0, logical block 0..


Is it a limitation of the hardware ? Of the SD drivers? Or did I just hit a model of SD cards that was not compatible with my device?

Thanks
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rpurdie
post May 2 2006, 11:02 AM
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QUOTE(gepeto @ May 2 2006, 06:52 PM)
Hi ! I have a c700 for which I have just bought a 2gig Kingston SD card...

The card did not work (getting IO errors) so I brought it back to the store, thinking it was defective..

Now I have another one, and I have the same problem..

Buffer I/O error on device mmcblk0, logical block 0..


Is it a limitation of the hardware ? Of the SD drivers? Or did I just hit a model of SD cards that was not compatible with my device?

Thanks
*


You're not the first person I've seen mention that although I've yet to work out what the problem is. The changes in OZ 3.5.4.1-rc might help as it has a much more recent kernel with several MMC/SD changes.

Richard
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gepeto
post May 2 2006, 01:46 PM
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QUOTE(rpurdie @ May 2 2006, 02:02 PM)
QUOTE(gepeto @ May 2 2006, 06:52 PM)
Hi ! I have a c700 for which I have just bought a 2gig Kingston SD card...

The card did not work (getting IO errors) so I brought it back to the store, thinking it was defective..

Now I have another one, and I have the same problem..

Buffer I/O error on device mmcblk0, logical block 0..


Is it a limitation of the hardware ? Of the SD drivers? Or did I just hit a model of SD cards that was not compatible with my device?

Thanks
*


You're not the first person I've seen mention that although I've yet to work out what the problem is. The changes in OZ 3.5.4.1-rc might help as it has a much more recent kernel with several MMC/SD changes.

Richard
*




Installed 3.5.4-rc2 and it now detects my card as 1.9gig free biggrin.gif

Time to format it as ext2 and install some goodies on it..thank you very much!
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Hrw
post May 2 2006, 11:18 PM
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good news - looks like 2.6 kernel support SD cards larger then 1G smile.gif
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Antikx
post May 3 2006, 10:07 AM
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QUOTE(Hrw @ May 3 2006, 01:18 AM)
good news - looks like 2.6 kernel support SD cards larger then 1G smile.gif
*

Awesome... now does it support SDIO? Has anyone tried an SD WiFi card?
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koen
post May 3 2006, 10:12 AM
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QUOTE(Antikx @ May 3 2006, 06:07 PM)
QUOTE(Hrw @ May 3 2006, 01:18 AM)
good news - looks like 2.6 kernel support SD cards larger then 1G smile.gif
*

Awesome... now does it support SDIO? Has anyone tried an SD WiFi card?
*



There is no SDIO stack for linux 2.6 and the 2.4 ones are all closed source.
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Antikx
post May 3 2006, 10:20 AM
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QUOTE(koen @ May 3 2006, 12:12 PM)
There is no SDIO stack for linux 2.6 and the 2.4 ones are all closed source.
*

Thanks for the quick reply.
Sad to hear it.
This beauty would have made a nice addition for many Zaurus users: http://www.oesf.org/forums/index.php?showtopic=19185&hl=
(If it worked the way it is suposed to)
Sorry for hijacking the thread.
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gepeto
post May 5 2006, 11:44 AM
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QUOTE(Antikx @ May 3 2006, 01:20 PM)
QUOTE(koen @ May 3 2006, 12:12 PM)
There is no SDIO stack for linux 2.6 and the 2.4 ones are all closed source.
*

Thanks for the quick reply.
Sad to hear it.
This beauty would have made a nice addition for many Zaurus users: http://www.oesf.org/forums/index.php?showtopic=19185&hl=
(If it worked the way it is suposed to)
Sorry for hijacking the thread.
*



I seem to have problems with my SD..
Let's say I am downloading something to it using wget..

Wget just hung on me..
And if I just try to do ls in /media/card - that hangs too...maybe I should use ext2 instead of ext3 right? For speed...I just thought ext3 was a pretty good idea for removable storage..
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..bk..
post May 6 2006, 03:38 AM
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QUOTE(gepeto @ May 5 2006, 09:44 PM)
I seem to have problems with my SD..
Let's say I am downloading something to it using wget..

Wget just hung on me..
And if I just try to do ls in /media/card - that hangs too...maybe I should use ext2 instead of ext3 right? For speed...I just thought ext3 was a pretty good idea for removable storage..
*


actually the filesystem on your card shouldn't really matter (in terms of functionality), but ext2 is indeed the better choice because a journalling fs like ext3 wears out the flash much faster (and doesn't gain you any real benefits).
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gepeto
post May 6 2006, 12:16 PM
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QUOTE(..bk.. @ May 6 2006, 06:38 AM)
QUOTE(gepeto @ May 5 2006, 09:44 PM)
I seem to have problems with my SD..
Let's say I am downloading something to it using wget..

Wget just hung on me..
And if I just try to do ls in /media/card - that hangs too...maybe I should use ext2 instead of ext3 right? For speed...I just thought ext3 was a pretty good idea for removable storage..
*


actually the filesystem on your card shouldn't really matter (in terms of functionality), but ext2 is indeed the better choice because a journalling fs like ext3 wears out the flash much faster (and doesn't gain you any real benefits).
*



I ran a fsck on the card, fixed a lot of errors (probably from once when the zaurus hung for a reason I don't know) and now, it feels much faster , and I can use the card properly again...
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starkruzr
post May 7 2006, 11:25 PM
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QUOTE(koen @ May 3 2006, 01:12 PM)
QUOTE(Antikx @ May 3 2006, 06:07 PM)
QUOTE(Hrw @ May 3 2006, 01:18 AM)
good news - looks like 2.6 kernel support SD cards larger then 1G smile.gif
*

Awesome... now does it support SDIO? Has anyone tried an SD WiFi card?
*



There is no SDIO stack for linux 2.6 and the 2.4 ones are all closed source.
*



Actually, someone on IRC just mentioned they were working on a SDIO stack for 2.6. I think the spec got opened.

The problem is then obtaining the specs for whatever card it is you're trying to work with.
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