From: Michael Palme <m.palme@goepel.com>
To: linux-mtd@lists.infradead.org
Subject: Interesting MTD (jffs2) problem - magic bitmask not found
Date: Tue, 01 Oct 2002 14:05:23 +0200 [thread overview]
Message-ID: <3D998F83.9000803@goepel.com> (raw)
hello...
i've posted this on linux-arm mailing list, but i think its also
interesting for this list...
i run 2.4.18-rmk7 with mtd from cvs (mid september).
problem as follows:
# cat /proc/mtd
dev: size erasesize name
mtd0: 00040000 00040000 "blob"
mtd1: 00040000 00040000 "parm"
mtd2: 00100000 00040000 "krnl"
mtd3: 00400000 00040000 "rd"
mtd4: 00100000 00040000 "krnl2"
mtd5: 00400000 00040000 "rd2"
mtd6: 01580000 00040000 "jffs2"
# mtd_debug info /dev/mtd6
mtd.type = MTD_NORFLASH
mtd.flags = MTD_CAP_NORFLASH
mtd.size = 22544384 (21M)
mtd.erasesize = 262144 (256K)
mtd.oobblock = 0
mtd.oobsize = 0
mtd.ecctype = MTD_ECC_NONE
regions = 0
# cd /root
# ls temp
temp1 temp2
# mkfs.jffs2 -r temp -e 262144 -o jffs2img
# eraseall /dev/mtd6
Erasing 256 Kibyte @ ...[snip]... 100% complete.
# cp jffs2img /dev/mtd6
# mount /dev/mtdblock6 -t jffs2 /mnt/jffs2/
# cd /mnt/jffs2
# ls
temp1 temp2
# rm -r temp*
... [this tooks very long time] ...
# ls
# cd /
# umount /mnt/jffs2/
# mount /dev/mtdblock6 -t jffs2 /mnt/jffs2/
?????????????????????????????????????????????????????????????????????
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00040000:
0x2003 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00040004:
0x000c instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00040008:
0xdc6d instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00080000:
0x2003 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00080004:
0x000c instead
...[snip]...
?????????????????????????????????????????????????????????????????????
# mount
/dev/ramdisk on / type ext2 (rw)
none on /proc type proc (rw)
/dev/mtdblock6 on /mnt/jffs2 type jffs2 (rw)
# cd /mnt/jffs2/
# ls
#
...
best regards... Michael Palme
next reply other threads:[~2002-10-01 12:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-01 12:05 Michael Palme [this message]
2002-10-01 15:23 ` jffs2 problem - magic bitmask not found Michael Palme
2002-10-01 15:56 ` Joakim Tjernlund
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3D998F83.9000803@goepel.com \
--to=m.palme@goepel.com \
--cc=linux-mtd@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox