On 09/13/2012 02:20 AM, Marek Vasut wrote: > Dear Tom Rini, > >> On 09/12/2012 03:57 PM, Rob Herring wrote: >>> On 09/12/2012 05:49 PM, Tom Rini wrote: >>>> On Mon, Aug 13, 2012 at 01:28:19PM -0500, Rob Herring wrote: >>>>> On 08/13/2012 06:52 AM, Wolfgang Denk wrote: >>>>>> Dear Rob Herring, >>>>>> >>>>>> In message <50244d5a.3080...@gmail.com> you wrote: >>>>>>> I reported already that the prior version that ext4 has issues with >>>>>>> sub-directories. I don't think that has been addressed in V5. Some >>>>>>> directories show up fine and some don't. So it's kind of random >>>>>>> whether u-boot can read a /boot directory. This was after full >>>>>>> ubuntu installs. I'd guess a simple test with a couple of files and >>>>>>> directories will not show the problem. >>>>>> >>>>>> We really need a test case here. In my (certainly not very extensive) >>>>>> tests I didn't see such a problem. >>>>>> >>>>>> Can you please describe what failed for you? >>>>> >>>>> I do an ubuntu install to a single ext4 fs and then ext2ls gives this: >>>> [snip] >>>> >>>>> The problem is in the directories with sizes of 0. It does seem to be >>>>> directories with higher blkno's. Perhaps the lack of support for hash >>>>> table directory entries is a problem. Just guessing here as I don't >>>>> know much about ext4 structure. >>>>> >>>>> I haven't been able to produce a simple example just creating a bunch >>>>> of files and directories, so only the disk after an ubuntu install has >>>>> the problem. >>>> >>>> I took an Ubuntu install I had (for x86) that was on a USB drive, had >>>> been pretty extensively used, and was is ext4. I couldn't find any size >>>> 0 directories. Are you able to reproduce this problem on other >>>> hardware? Is the image in question NOT remountable as ext3 (extents is >>>> set, generated) ? My biggest concern is breakage among ext2/3 >>>> filesystems. Thanks! >>> >>> What size partition? It is also fine for me with a small 1.2GB >>> partition. I only see the problem with larger partitions (most of a >>> 250GB drive). >> >> This is a 240G partition. >> >>> I was under the impression that ext4 is not mountable as ext3. >> >> You can go ext3->"ext4"->ext3, it's only when you have fsck rebuild and >> make use of extents, iirc, that it's no longer mountable as ext3. > > Maybe you can pick that loop block driver from Pavel [1] and try it on > sandbox > target? That might ease testing etc.
Only if Rob's image (which iirc is hooked up to a qemu target) still fails once attached that way. Rob, am I (a) remembering right that you see this on a qemu target and (b) if so does compressing the crap out of it yield a small enough file to put on dropbox or some other free cloud storage? Thanks! -- Tom _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot