Thread: SDHC memory problems and purchase decision
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Milhouse is offline Milhouse
2007-07-11 , 23:29
Posts: 3,401 | Thanked: 1,255 times | Joined on Nov 2005 @ London, UK
#7
Originally Posted by Rebski View Post
As I understand it, the original n800-sdhc-kernel didn't produce these card destruction problems, that was the Nokia enhancement.
It's difficult to say for sure, but you may be correct - Nokia have omitted some of the changes that went into the old SDHC patch, and the author of the old patch is putting together a new 4.2007 patched kernel for release soon.

If you look earlier in that bug, specifically comments 12 and 13, there appears to be evidence of SD cards being knackered by a previous firmware (doesn't say which, but most likely 3.2007). Since these are standard SD cards that are being knackered it's also likely these users were not using the SDHC patched kernel. I don't recall seing any reports of SDHC card destruction using the old patch, yet a disturbingly high number of such reports with the new firmware.

Originally Posted by Rebski View Post
Is there anything to be gained by applying this kernel patch after flashing the 4.2007.26-8 firmware upgrade?
I wouldn't expect it to work to be honest, there are bound to be other kernel changes in the new firmware which won't be present in the old 3.2007 kernel. Best to wait until a new unofficial 4.2007 + SDHC patch becomes available.

Originally Posted by Rebski View Post
Also is there sufficient collective experience to suggest that some makes/types of cards are more prone to this damage than others.
There are a few reports of Transcend and SanDisk cards dying, but that could simply because they're quite popular - I own 4 Transcend SDHC Class 2 cards because they're cheap and quite fast, and all are OK so far. I also own one 4GB SanDisk SDHC Class 2 card but would not recommend SanDisk as they don't seem to have any support for high speed or wide data bus modes (basically, SanDisk SDHC cards suck on performance!)