JFFS2 corruption when mounting filesystem with filenames of length > 7
Steve Deiters
SteveDeiters at BASLER.com
Wed Jun 23 18:42:02 EDT 2010
> -----Original Message-----
> From: linux-mtd-bounces at lists.infradead.org
> [mailto:linux-mtd-bounces at lists.infradead.org] On Behalf Of
> Steve Deiters
> Sent: Wednesday, June 23, 2010 5:21 PM
> To: linux-mtd at lists.infradead.org
> Subject: JFFS2 corruption when mounting filesystem with
> filenames of length > 7
>
> I found an archived post which seems to be identical to my issue.
> However, this is quite old and there never seemed to be any
> resolution.
>
> http://www.infradead.org/pipermail/linux-mtd/2006-September/01
> 6491.html
>
> If I mount a filesystem that has filenames greater than 7
> characters in length, the files are corrupted when I mount.
> In my case, I am making a
> JFFS2 image with mkfs.jffs2 and flashing it in with u-boot.
> However, I have attached a workflow where I erase the Flash
> and create a new filesystem completely within Linux and it
> gives the same behavior. I can list the files with the 'ls'
> command from within u-boot. If I mount from within Linux,
> and then reboot into u-boot, it will not display any files
> that had a filename greater than 7 characters.
>
> I enabled the MTD debug verbosity at level 2 for the attached
> example session.
>
> I am running on a custom board with a MPC5121 and Linux 2.6.33.4.
>
> Thanks in advance for any help.
Sorry for the jumbled mess. Looks like the line endings are messed up.
Trying again. I also provided this as an attachment in case it gets
messed up again.
-----------------
[root at freescale /]# cat /proc/version
Linux version 2.6.33.4 (steved at teutatis) (gcc version 4.1.2) #1 PREEMPT
Wed Jun 23 21:29:57 UTC 2010
[root at freescale /]# uname -r
2.6.33.4
[root at freescale /]# flash_eraseall /dev/mtd0
[ 476.694877] MTD_open
[ 476.697768] MTD_ioctl
[ 476.700995] MTD_ioctl
Erasing 128 Kiby[ 476.705074] MTD_ioctl
te @ 0 -- 0 % complete.Erasing 128 Kiby[ 477.311449] MTD_ioctl
te @ 20000 -- 0 % complete.Erasing 128 Kiby[ 477.937350] MTD_ioctl
te @ 40000 -- 1 % complete.Erasing 128 Kiby[ 478.543415] MTD_ioctl
te @ 60000 -- 2 % complete.Erasing 128 Kiby[ 479.169413] MTD_ioctl
te @ 80000 -- 3 % complete.Erasing 128 Kiby[ 479.797409] MTD_ioctl
te @ a0000 -- 4 % complete.Erasing 128 Kiby[ 480.385415] MTD_ioctl
te @ c0000 -- 5 % complete.Erasing 128 Kiby[ 481.005417] MTD_ioctl
te @ e0000 -- 5 % complete.Erasing 128 Kiby[ 481.613412] MTD_ioctl
te @ 100000 -- 6 % complete.Erasing 128 Kiby[ 482.207417] MTD_ioctl
te @ 120000 -- 7 % complete.Erasing 128 Kiby[ 482.777411] MTD_ioctl
te @ 140000 -- 8 % complete.Erasing 128 Kiby[ 483.341414] MTD_ioctl
te @ 160000 -- 9 % complete.Erasing 128 Kiby[ 483.937408] MTD_ioctl
te @ 180000 -- 10 % complete.Erasing 128 Kiby[ 484.539407] MTD_ioctl
te @ 1a0000 -- 10 % complete.Erasing 128 Kiby[ 485.129387] MTD_ioctl
te @ 1c0000 -- 11 % complete.Erasing 128 Kiby[ 485.711408] MTD_ioctl
te @ 1e0000 -- 12 % complete.Erasing 128 Kiby[ 486.307414] MTD_ioctl
te @ 200000 -- 13 % complete.Erasing 128 Kiby[ 486.859403] MTD_ioctl
te @ 220000 -- 14 % complete.Erasing 128 Kiby[ 487.405413] MTD_ioctl
te @ 240000 -- 15 % complete.Erasing 128 Kiby[ 487.949406] MTD_ioctl
te @ 260000 -- 15 % complete.Erasing 128 Kiby[ 488.501398] MTD_ioctl
te @ 280000 -- 16 % complete.Erasing 128 Kiby[ 489.039463] MTD_ioctl
te @ 2a0000 -- 17 % complete.Erasing 128 Kiby[ 489.597407] MTD_ioctl
te @ 2c0000 -- 18 % complete.Erasing 128 Kiby[ 490.135431] MTD_ioctl
te @ 2e0000 -- 19 % complete.Erasing 128 Kiby[ 490.667421] MTD_ioctl
te @ 300000 -- 20 % complete.Erasing 128 Kiby[ 491.225421] MTD_ioctl
te @ 320000 -- 20 % complete.Erasing 128 Kiby[ 491.801422] MTD_ioctl
te @ 340000 -- 21 % complete.Erasing 128 Kiby[ 492.359406] MTD_ioctl
te @ 360000 -- 22 % complete.Erasing 128 Kiby[ 492.929373] MTD_ioctl
te @ 380000 -- 23 % complete.Erasing 128 Kiby[ 493.517406] MTD_ioctl
te @ 3a0000 -- 24 % complete.Erasing 128 Kiby[ 494.081421] MTD_ioctl
te @ 3c0000 -- 25 % complete.Erasing 128 Kiby[ 494.657392] MTD_ioctl
te @ 3e0000 -- 25 % complete.Erasing 128 Kiby[ 495.239480] MTD_ioctl
te @ 400000 -- 26 % complete.Erasing 128 Kiby[ 495.785315] MTD_ioctl
te @ 420000 -- 27 % complete.Erasing 128 Kiby[ 496.337561] MTD_ioctl
te @ 440000 -- 28 % complete.Erasing 128 Kiby[ 496.890433] MTD_ioctl
te @ 460000 -- 29 % complete.Erasing 128 Kiby[ 497.448404] MTD_ioctl
te @ 480000 -- 30 % complete.Erasing 128 Kiby[ 498.006428] MTD_ioctl
te @ 4a0000 -- 30 % complete.Erasing 128 Kiby[ 498.558430] MTD_ioctl
te @ 4c0000 -- 31 % complete.Erasing 128 Kiby[ 499.104345] MTD_ioctl
te @ 4e0000 -- 32 % complete.Erasing 128 Kiby[ 499.656398] MTD_ioctl
te @ 500000 -- 33 % complete.Erasing 128 Kiby[ 500.188449] MTD_ioctl
te @ 520000 -- 34 % complete.Erasing 128 Kiby[ 500.752413] MTD_ioctl
te @ 540000 -- 35 % complete.Erasing 128 Kiby[ 501.310413] MTD_ioctl
te @ 560000 -- 35 % complete.Erasing 128 Kiby[ 501.886407] MTD_ioctl
te @ 580000 -- 36 % complete.Erasing 128 Kiby[ 502.438414] MTD_ioctl
te @ 5a0000 -- 37 % complete.Erasing 128 Kiby[ 502.970403] MTD_ioctl
te @ 5c0000 -- 38 % complete.Erasing 128 Kiby[ 503.534406] MTD_ioctl
te @ 5e0000 -- 39 % complete.Erasing 128 Kiby[ 504.078407] MTD_ioctl
te @ 600000 -- 40 % complete.Erasing 128 Kiby[ 504.642422] MTD_ioctl
te @ 620000 -- 40 % complete.Erasing 128 Kiby[ 505.168390] MTD_ioctl
te @ 640000 -- 41 % complete.Erasing 128 Kiby[ 505.720386] MTD_ioctl
te @ 660000 -- 42 % complete.Erasing 128 Kiby[ 506.260435] MTD_ioctl
te @ 680000 -- 43 % complete.Erasing 128 Kiby[ 506.794364] MTD_ioctl
te @ 6a0000 -- 44 % complete.Erasing 128 Kiby[ 507.334434] MTD_ioctl
te @ 6c0000 -- 45 % complete.Erasing 128 Kiby[ 507.860302] MTD_ioctl
te @ 6e0000 -- 45 % complete.Erasing 128 Kiby[ 508.406415] MTD_ioctl
te @ 700000 -- 46 % complete.Erasing 128 Kiby[ 508.964411] MTD_ioctl
te @ 720000 -- 47 % complete.Erasing 128 Kiby[ 509.516411] MTD_ioctl
te @ 740000 -- 48 % complete.Erasing 128 Kiby[ 510.048430] MTD_ioctl
te @ 760000 -- 49 % complete.Erasing 128 Kiby[ 510.580409] MTD_ioctl
te @ 780000 -- 50 % complete.Erasing 128 Kiby[ 511.120408] MTD_ioctl
te @ 7a0000 -- 50 % complete.Erasing 128 Kiby[ 511.658412] MTD_ioctl
te @ 7c0000 -- 51 % complete.Erasing 128 Kiby[ 512.190418] MTD_ioctl
te @ 7e0000 -- 52 % complete.Erasing 128 Kiby[ 512.736399] MTD_ioctl
te @ 800000 -- 53 % complete.Erasing 128 Kiby[ 513.262410] MTD_ioctl
te @ 820000 -- 54 % complete.Erasing 128 Kiby[ 513.778481] MTD_ioctl
te @ 840000 -- 55 % complete.Erasing 128 Kiby[ 514.298396] MTD_ioctl
te @ 860000 -- 55 % complete.Erasing 128 Kiby[ 514.818489] MTD_ioctl
te @ 880000 -- 56 % complete.Erasing 128 Kiby[ 515.358407] MTD_ioctl
te @ 8a0000 -- 57 % complete.Erasing 128 Kiby[ 515.898442] MTD_ioctl
te @ 8c0000 -- 58 % complete.Erasing 128 Kiby[ 516.492418] MTD_ioctl
te @ 8e0000 -- 59 % complete.Erasing 128 Kiby[ 517.026409] MTD_ioctl
te @ 900000 -- 60 % complete.Erasing 128 Kiby[ 517.560417] MTD_ioctl
te @ 920000 -- 60 % complete.Erasing 128 Kiby[ 518.120397] MTD_ioctl
te @ 940000 -- 61 % complete.Erasing 128 Kiby[ 518.654387] MTD_ioctl
te @ 960000 -- 62 % complete.Erasing 128 Kiby[ 519.188439] MTD_ioctl
te @ 980000 -- 63 % complete.Erasing 128 Kiby[ 519.722411] MTD_ioctl
te @ 9a0000 -- 64 % complete.Erasing 128 Kiby[ 520.268410] MTD_ioctl
te @ 9c0000 -- 65 % complete.Erasing 128 Kiby[ 520.808371] MTD_ioctl
te @ 9e0000 -- 65 % complete.Erasing 128 Kiby[ 521.340426] MTD_ioctl
te @ a00000 -- 66 % complete.Erasing 128 Kiby[ 521.886375] MTD_ioctl
te @ a20000 -- 67 % complete.Erasing 128 Kiby[ 522.406406] MTD_ioctl
te @ a40000 -- 68 % complete.Erasing 128 Kiby[ 522.932404] MTD_ioctl
te @ a60000 -- 69 % complete.Erasing 128 Kiby[ 523.466408] MTD_ioctl
te @ a80000 -- 70 % complete.Erasing 128 Kiby[ 523.986405] MTD_ioctl
te @ aa0000 -- 70 % complete.Erasing 128 Kiby[ 524.520416] MTD_ioctl
te @ ac0000 -- 71 % complete.Erasing 128 Kiby[ 525.060405] MTD_ioctl
te @ ae0000 -- 72 % complete.Erasing 128 Kiby[ 525.588414] MTD_ioctl
te @ b00000 -- 73 % complete.Erasing 128 Kiby[ 526.108414] MTD_ioctl
te @ b20000 -- 74 % complete.Erasing 128 Kiby[ 526.624459] MTD_ioctl
te @ b40000 -- 75 % complete.Erasing 128 Kiby[ 527.144416] MTD_ioctl
te @ b60000 -- 75 % complete.Erasing 128 Kiby[ 527.664407] MTD_ioctl
te @ b80000 -- 76 % complete.Erasing 128 Kiby[ 528.184584] MTD_ioctl
te @ ba0000 -- 77 % complete.Erasing 128 Kiby[ 528.723423] MTD_ioctl
te @ bc0000 -- 78 % complete.Erasing 128 Kiby[ 529.275406] MTD_ioctl
te @ be0000 -- 79 % complete.Erasing 128 Kiby[ 529.815405] MTD_ioctl
te @ c00000 -- 80 % complete.Erasing 128 Kiby[ 530.349408] MTD_ioctl
te @ c20000 -- 80 % complete.Erasing 128 Kiby[ 530.869434] MTD_ioctl
te @ c40000 -- 81 % complete.Erasing 128 Kiby[ 531.409400] MTD_ioctl
te @ c60000 -- 82 % complete.Erasing 128 Kiby[ 531.937449] MTD_ioctl
te @ c80000 -- 83 % complete.Erasing 128 Kiby[ 532.465425] MTD_ioctl
te @ ca0000 -- 84 % complete.Erasing 128 Kiby[ 533.025384] MTD_ioctl
te @ cc0000 -- 85 % complete.Erasing 128 Kiby[ 533.559411] MTD_ioctl
te @ ce0000 -- 85 % complete.Erasing 128 Kiby[ 534.081395] MTD_ioctl
te @ d00000 -- 86 % complete.Erasing 128 Kiby[ 534.597458] MTD_ioctl
te @ d20000 -- 87 % complete.Erasing 128 Kiby[ 535.113484] MTD_ioctl
te @ d40000 -- 88 % complete.Erasing 128 Kiby[ 535.641426] MTD_ioctl
te @ d60000 -- 89 % complete.Erasing 128 Kiby[ 536.161425] MTD_ioctl
te @ d80000 -- 90 % complete.Erasing 128 Kiby[ 536.677463] MTD_ioctl
te @ da0000 -- 90 % complete.Erasing 128 Kiby[ 537.197360] MTD_ioctl
te @ dc0000 -- 91 % complete.Erasing 128 Kiby[ 537.717470] MTD_ioctl
te @ de0000 -- 92 % complete.Erasing 128 Kiby[ 538.251328] MTD_ioctl
te @ e00000 -- 93 % complete.Erasing 128 Kiby[ 538.777539] MTD_ioctl
te @ e20000 -- 94 % complete.Erasing 128 Kiby[ 539.337395] MTD_ioctl
te @ e40000 -- 95 % complete.Erasing 128 Kiby[ 539.871411] MTD_ioctl
te @ e60000 -- 95 % complete.Erasing 128 Kiby[ 540.393400] MTD_ioctl
te @ e80000 -- 96 % complete.Erasing 128 Kiby[ 540.927416] MTD_ioctl
te @ ea0000 -- 97 % complete.Erasing 128 Kiby[ 541.455414] MTD_ioctl
te @ ec0000 -- 98 % complete.Erasing 128 Kiby[ 541.975420] MTD_ioctl
te @ ee0000 -- 99 % complete.Erasing 128 Kiby[ 542.492047] MTD_close
te @ f00000 -- 100 % complete.
[root at freescale /]# mount -t jffs2 mtd0 /mnt/flash
[ 636.371343] MTDSB: dev_name "mtd0"
[ 636.374726] MTDSB: mtd%d, mtdnr 0
[ 636.378013] MTDSB: New superblock for device 0 ("filesystem")
[root at freescale /]# cd /mnt/flash
[root at freescale flash]# touch 1
[root at freescale flash]# touch 12
[root at freescale flash]# touch 123
[root at freescale flash]# touch 1234
[root at freescale flash]# touch 12345
[root at freescale flash]# touch 123456
[root at freescale flash]# touch 1234567
[root at freescale flash]# touch 12345678
[root at freescale flash]# touch 123456789
[root at freescale flash]# touch 1234567890
[root at freescale flash]# ls -l
-rw-r--r-- 1 root root 0 Jan 1 00:10 1
-rw-r--r-- 1 root root 0 Jan 1 00:10 12
-rw-r--r-- 1 root root 0 Jan 1 00:10 123
-rw-r--r-- 1 root root 0 Jan 1 00:10 1234
-rw-r--r-- 1 root root 0 Jan 1 00:10 12345
-rw-r--r-- 1 root root 0 Jan 1 00:10 123456
-rw-r--r-- 1 root root 0 Jan 1 00:10 1234567
-rw-r--r-- 1 root root 0 Jan 1 00:10 12345678
-rw-r--r-- 1 root root 0 Jan 1 00:10 123456789
-rw-r--r-- 1 root root 0 Jan 1 00:11 1234567890
[root at freescale flash]# cd /
[root at freescale /]# umount /mnt/flash
[root at freescale /]# mount -t jffs2 mtd0 /mnt/flash
[ 718.170535] MTDSB: dev_name "mtd0"
[ 718.173934] MTDSB: mtd%d, mtdnr 0
[ 718.177206] MTDSB: New superblock for device 0 ("filesystem")
[ 718.189602] jffs2_scan_dirent_node(): Name CRC failed on node at
0x00e4036c: Read 0xffc205c6, calculated 0x88d63443
[ 718.200658] jffs2_scan_dirent_node(): Name CRC failed on node at
0x00e403e0: Read 0x2dfd2d88, calculated 0xb0584e16
[ 718.211700] jffs2_scan_dirent_node(): Name CRC failed on node at
0x00e40458: Read 0xc597c693, calculated 0xd2bdddb3
[root at freescale /]# ls -l /mnt/flash
-rw-r--r-- 1 root root 0 Jan 1 00:10 1
-rw-r--r-- 1 root root 0 Jan 1 00:10 12
-rw-r--r-- 1 root root 0 Jan 1 00:10 123
-rw-r--r-- 1 root root 0 Jan 1 00:10 1234
-rw-r--r-- 1 root root 0 Jan 1 00:10 12345
-rw-r--r-- 1 root root 0 Jan 1 00:10 123456
-rw-r--r-- 1 root root 0 Jan 1 00:10 1234567
[root at freescale /]#
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