Hello Anton,
Am 14.01.2015 13:52, schrieb Anton Habegger:
Hello
We have a PPC MPC5125 device with 64MB NOR flash. The U-boot has to load the
kernel and initramfs from a UBIFS partition.
Recently we made an upgrade from U-Boot version V2010.12 to version V2014.10.
Now after some regression tests with power cuts, we got an UBIFS state, which
is unreadable for U-Boot version V2014.10. If I do a tftpboot an mount the
UBIFS with linux, there is no problem. It is also very strange, that if I
downgrade the U-Boot to V2010.12, then it is also no problem with the partition
and everything is readable. I tend to say there is probably a regression with
the most recent U-Boot version. But I don't know where I can start to find it.
I enabled also the DEBUG define, but there appears no additional debug message
concerning UBIFS. How can I debug this?
You can enable:
#undef CONFIG_UBI_SILENCE_MSG
#define CONFIG_MTD_DEBUG
#define CONFIG_MTD_DEBUG_VERBOSE 1
With which Linux version do you test? U-Boot is synced with
linux 3.15 ... so, if you can test it with a kernel >= 3.15
this would be great!
Here the output from U-Boot V2014.10:
=> ubi part fs
UBI: attaching mtd1 to ubi0
UBI: scanning is finished
UBI: attached mtd1 (name "mtd=0", size 63 MiB) to ubi0
UBI: PEB size: 131072 bytes (128 KiB), LEB size: 130944 bytes
UBI: min./max. I/O unit sizes: 1/64, sub-page size 1
UBI: VID header offset: 64 (aligned 64), data offset: 128
UBI: good PEBs: 504, bad PEBs: 0, corrupted PEBs: 0
UBI: user volume: 1, internal volumes: 1, max. volumes count: 128
UBI: max/mean erase counter: 280/161, WL threshold: 4096, image sequence
number: 2041090957
UBI: available PEBs: 0, total reserved PEBs: 504, PEBs reserved for bad PEB
handling: 0
=> ubifsmount ubi:flash
=> ubifsls
53549 Mon Dec 01 11:34:08 2014 setup.xml
2051 Wed Nov 19 09:05:49 2014 LOG_Default_000001.csv
filldir: Error in ubifs_iget(), ino=44049 ret=ffffffea!
seems a problem in ubifs_iget() fs/ubifs/super.c ... it returns -EINVAL
please debug into this function for a starting point.
Thanks!
bye,
Heiko
Regards
Anton
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