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From: Dmitry Sivachenko <trtrmitya@gmail.com>
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Subject: fsck_ufs dumps core
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Date: Wed, 10 Aug 2016 17:29:31 +0300
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Hello,
I am running FreeBSD 10.3-STABLE #0 r299261M
After unclean reboot I am unable to fsck my UFS filesystem:
# fsck /dev/mfid0p1
** /dev/mfid0p1
** Last Mounted on /opt
** Phase 1 - Check Blocks and Sizes
fsck: /dev/mfid0p1: Segmentation fault
pid 482 (fsck_ufs), uid 0: exited on signal 11 (core dumped)
# gdb -c fsck_ufs.482 /sbin/fsck_ufs
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `fsck_ufs'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libufs.so.6...done.
Loaded symbols for /lib/libufs.so.6
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 0x0000000000409a8b in pass1 () at /place/WRK/src/sbin/fsck_ffs/pass1.c:83
83 setbmap(i);
(gdb) bt
#0 0x0000000000409a8b in pass1 () at /place/WRK/src/sbin/fsck_ffs/pass1.c:83
#1 0x0000000000409050 in main (argc=<value optimized out>,
argv=<value optimized out>) at /place/WRK/src/sbin/fsck_ffs/main.c:447
Current language: auto; currently minimal
(gdb)