I've been having a devil of a time testing my JFFS2 filesystem on NOR
flash using the MTD driver; I've been testing copying files to/from
NFS volumes....
Now I'm thinking that my issues are more related to problems with
NFS, not MTD....
Anyone else experiencing issues with NFS, in the 2.6.26-uc0 kernel
(I'm using M5282)
Here's what I do; /boot and /var/persist are two different NFS
volumes (/boot is on the read-only root filesystem, and is NFSv2; /
var/persist is mounted later, and is NFSv3)
mount /dev/mtdblock4 /opt
cp /boot/uImage /opt
cp /opt/uImage /var/persist
then I get hangs, crashes, or bugs....
Things like:
Access Error Exception 12: Error on data read
0x0005de78 -- 0x0005de68 + 0x0010 mnt_want_write
0x0005adec -- 0x0005add0 + 0x001c touch_atime
0x00038ca0 -- 0x00038744 + 0x055c generic_file_aio_read
0x00048bea -- 0x00048b3a + 0x00b0 do_sync_read
0x00049326 -- 0x000492c2 + 0x0064 vfs_read
0x000496aa -- 0x0004966a + 0x0040 sys_read
0x000131f0 -- 0x0001316c + 0x0084 system_call
Or
BUG: failure at fs/nfs/write.c:364/nfs_inode_add_request()!
Kernel panic - not syncing: BUG!
Copying from the MTD to /tmp doesn't cause problems
Copying from NFS to NFS doesn't cause problems
Copying from MTD to (another partition on the ) MTD doesn't cause
problems
Any ideas?
-
allon
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