Hello Heiko >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 Now I got output, thank you. I have to investigate more to get a better picture. >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! Our device is running with 2.6.34, with the patches from git://git.infradead.org/users/dedekind/ubifs-v2.6.34.git. I'm also able to open mount the image with linux 3.13 (Ubuntu 14.04/x86_64) and the mtdram module. As soon the image is once mounted (and recovered) either with 2.6.34 or 3.13, the U-Boot V2014.10 can load it as well. Here the dmesg output mount with linux 3.13 which succeeds: [189672.868677] UBI: attaching mtd0 to ubi0 [189672.869154] UBI: scanning is finished [189672.870359] UBI: attached mtd0 (name "mtdram test device", size 63 MiB) to ubi0 [189672.870363] UBI: PEB size: 131072 bytes (128 KiB), LEB size: 130944 bytes [189672.870366] UBI: min./max. I/O unit sizes: 1/64, sub-page size 1 [189672.870367] UBI: VID header offset: 64 (aligned 64), data offset: 128 [189672.870369] UBI: good PEBs: 504, bad PEBs: 0, corrupted PEBs: 0 [189672.870371] UBI: user volume: 1, internal volumes: 1, max. volumes count: 128 [189672.870373] UBI: max/mean erase counter: 280/161, WL threshold: 4096, image sequence number: 2041090957 [189672.870374] UBI: available PEBs: 0, total reserved PEBs: 504, PEBs reserved for bad PEB handling: 0 [189672.870489] UBI: background thread "ubi_bgt0d" started, PID 50742 [189689.698048] UBIFS: background thread "ubifs_bgt0_0" started, PID 50750 [189689.698157] UBIFS: recovery needed [189689.699949] UBIFS: recovery completed [189689.700308] UBIFS: mounted UBI device 0, volume 0, name "flash" [189689.700313] UBIFS: LEB size: 130944 bytes (127 KiB), min./max. I/O unit sizes: 8 bytes/64 bytes [189689.700316] UBIFS: FS size: 61674624 bytes (58 MiB, 471 LEBs), journal size 8249472 bytes (7 MiB, 63 LEBs) [189689.700318] UBIFS: reserved for root: 0 bytes (0 KiB) [189689.700321] UBIFS: media format: w4/r0 (latest is w4/r0), UUID 370BF56B-8A90-443C-B344-BF6BA00A8634, small LPT model >> 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. Thank you for the hint. I will start from there. Anton ******************************************************************************************************************************** This email message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. [Delta Energy Systems] ******************************************************************************************************************************** _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
