On Sunday 15 January 2012 18:10:11 Boudewijn wrote: > Hi List, > > I have problems with NAND, it seems, but I don't know how to troubleshoot > it. > > For a while I have been unable to boot SHR from NAND, but since I had > another install on uSD, it didn't really matter. Lately I wanted to move > to NAND anyway, to free up the relatively fast uSD for my Phoenux. > > The Freerunner still won't boot from NAND though. I reflashed with SHR-core > (and SHR's ubi-qi), to no avail. After that I flashed QtMoko v35 (and > QtMoko's qi v35). No better result either. (For a moment I thought the MD5 > sum was incorrect, downloaded again and flashed, but it turned out > Sourceforge hid part of the sum when there's no mouseover). > > I used to be able to mount jffs2-partitions, but mounting ubifs seems a bit > different (or broken otherwise in my installation) > > I have tried: > - using the mtdblock6-device > - using the ubi-device (not available) [1] > - using the device-less method [1] > - using ubiattach (might create a dev node, but segfaults on mtd6 and hangs > on mtd6ro > > I guess ubifs is in the kernel; there's no such thing as ubi in lsmod, and > modprobe ubifs returns an error. I added the modules from SHR-core, but > they do not include UBI. > > dmesg gives some info, see attached text for a bit more: > > [ 1274.330000] UBI: attaching mtd6 to ubi0 > [ 1274.330000] UBI: physical eraseblock size: 131072 bytes (128 KiB) > [ 1274.330000] UBI: logical eraseblock size: 129024 bytes > [ 1274.330000] UBI: smallest flash I/O unit: 2048 > [ 1274.330000] UBI: sub-page size: 512 > [ 1274.330000] UBI: VID header offset: 512 (aligned 512) > [ 1274.330000] UBI: data offset: 2048 > [ 1274.330000] UBI error: validate_ec_hdr: bad VID header offset 2048, > expected 512 > [ 1274.330000] UBI error: validate_ec_hdr: bad EC header > [ 1274.330000] UBI error: ubi_io_read_ec_hdr: validation failed for PEB 0 > [ 1274.330000] Unable to handle kernel paging request at virtual address > 00100104 > > What does it try tell me? What can I do about it? > > Boudewijn
By the way, I noticed the partitions start at 0, so partition 6 is 7, so I repeated with 5 instead. It does not segfault, it just hangs (ctrl-c gives no response other than printingg ^C, ctrl-d does not quit the session). No new mention of "attach" or "ubi" in dmesg either. Boudewijn
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