Package: btrfs-tools
Version: 0.19+20130131-3+really20121004-1
Severity: important
File: /sbin/btrfsck
Tags: upstream
Below is the gdb backtrace from a version of btrfs-tools that I built with
debugging support. Both the debugging version I compiled and the versions in
the Debian repository (both the "wheezy" 0.19+20120328-7.1 and "unstable"
0.19+20130131-3+really20121004-1 versions) hang after a few minutes. When
it hangs it makes no system calls and is just in a CPU loop.
The same filesystem image when checked on AMD64 will complete.
This is an issue for me at the moment because the bootable USB device I use
for
recovering unbootable systems is i386. But it will also affect anyone who uses
BTRFS on i386.
Program received signal SIGINT, Interrupt.
0x08074c03 in rb_next (node=0x8149498) at rbtree.c:338
338 rbtree.c: No such file or directory.
(gdb) bt
#0 0x08074c03 in rb_next (node=0x8149498) at rbtree.c:338
#1 0x08074f25 in __tree_search (root=0x809f18c, offset=47318015451136,
size=1, prev_ret=0xbffff230) at extent-cache.c:77
#2 0x08075142 in find_first_cache_extent (tree=0x809f18c,
start=47318015451136) at extent-cache.c:138
#3 0x0807603c in find_first_extent_bit (tree=0x809f18c, start=47318015451136,
start_ret=0xbffff2e0, end_ret=0xbffff2e8, bits=22) at extent_io.c:438
#4 0x0806339e in btrfs_lookup_block_group (info=0x809f108,
bytenr=47318015451136) at extent-tree.c:213
#5 0x080678cf in update_pinned_extents (root=0x809d240,
bytenr=47318015451136, num=1013489549123370216, pin=1)
at extent-tree.c:1895
#6 0x080680b7 in btrfs_pin_extent (fs_info=0x809f108, bytenr=210453397504,
num_bytes=1013536656685423848) at extent-tree.c:2062
#7 0x08053eed in check_extent_refs (trans=0x809dbf0, root=0x81780b0,
extent_cache=0xbffff474, repair=1) at btrfsck.c:3294
#8 0x080547bf in check_extents (trans=0x809dbf0, root=0x81780b0, repair=1)
at btrfsck.c:3461
#9 0x08054c7e in main (ac=1, av=0xbffff814) at btrfsck.c:3585
-- System Information:
Debian Release: 7.0
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 3.2.0-4-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages btrfs-tools depends on:
ii e2fslibs 1.42.5-1
ii libc6 2.13-38
ii libcomerr2 1.42.5-1
ii libuuid1 2.20.1-5.3
ii zlib1g 1:1.2.7.dfsg-13
btrfs-tools recommends no packages.
btrfs-tools suggests no packages.
-- no debconf information
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