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Date: Tue, 23 Dec 2003 13:16:19 -0800
From: thomaspang@shaw.ca
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Subject: Segmentation fault with mtd-snapshot-20031222
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I have tried the latest MTD (snapshot dated 12/22/2003) and got the following error messages when I mounted and accessed the JFFS2 file system.  After getting those errors, the "ls" command is not working anymore.  

Any idea?  Thanks.



# mount -t jffs2 /dev/mtdblock3 /mnt
mtdblock_open
ok
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051000: 0xc38f instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051004: 0xfa34 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051008: 0x18d9 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x0005100c: 0xea31 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051010: 0xd01e instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051014: 0x3a50 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051018: 0xc271 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x0005101c: 0x017f instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051020: 0x7a20 instead
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00051024: 0x9eb2 instead
Further such events for this erase block will not be printed
# cd mnt
# ls
Chip not ready after erase suspended: status = 0x614c
end_request: I/O error, dev 1f:02 (mtdblock), sector 128
Error -5 while decompressing!
c014fe22(2322)->c0259000(4096)
Error -3 while decompressing!
c0150734(2587)->c0258000(4096)
Error -3 while decompressing!
c015114f(2506)->c0257000(4096)
ls: Success
ls: pc : [<00053b48>]    lr : [<00053b20>]    Not tainted
sp : bffffd84  ip : bffffd84  fp : bffffd98
r10: 00000000  r9 : 00000001  r8 : bffffe70
r7 : bffffda0  r6 : 0006d8b8  r5 : 00000008  r4 : bffffda0
r3 : 00000008  r2 : 00000000  r1 : bffffdec  r0 : bffffda0
Flags: nZCv  IRQs on  FIQs on  Mode USER_32  Segment user
Control: 571FF  Table: 062E8000  DAC: 00000015
Segmentation fault