Sander wrote (ao): > I get the following error if I edit fstab with vi on a fresh btrfs > filesystem. vi Segfaults at saving the file. > > # mkfs.btrfs /dev/sda2 > # mount /mnt/ > # cd / > # find . -xdev | cpio -vdump /mnt > # vi /mnt/etc/fstab > Segmentation fault > > This also happens with a 'cp -a': > > # cd /mnt/ > # cp etc/fstab tmp/ > # cp etc/fstab tmp/ > # cp -a etc/fstab tmp/ > Segmentation fault > > And 'ls -l' > > # cd /mnt/ > # ls tmp/ > bla fstab network.configured > # ls -l tmp/ > Segmentation fault > > Kernel config: > CONFIG_BTRFS_FS=y > CONFIG_BTRFS_FS_POSIX_ACL=y > > (I'll try without ACL now, but takes about an hour to compile the > kernel). Without CONFIG_BTRFS_FS_POSIX_ACL I can't reproduce the segfaults. With kind regards, Sander > This kernel is a patched 2.6.33-rc1 from > git://repo.or.cz/linux-2.6/linux-2.6-openrd.git > > This error also happens if I remove linux-2.6-openrd/fs/btrfs/ and copy > btrfs-unstable/fs/btrfs/ (latetst as of yesterday and this morning). I'm > not sure if that is allowed though. > > # mkfs.btrfs -V > mkfs.btrfs, part of Btrfs Btrfs v0.19 > > The system is Debian Sid on an Openrd-client (ARM). The ssd is an Intel > X25-E. > > I didn't find a similar bugreport. > > With kind regards, Sander > > > [26055.036656] device fsid 904e5c0206a9b9d1-f00b47d7270b119a devid 1 transid 7 /dev/sda2 > [26055.045253] btrfs: use ssd allocation scheme > [26678.340511] Unable to handle kernel NULL pointer dereference at virtual address 00000008 > [26678.348648] pgd = cebb8000 > [26678.351367] [00000008] *pgd=03127031, *pte=00000000, *ppte=00000000 > [26678.357691] Internal error: Oops: 17 [#1] > [26678.361716] last sysfs file: /sys/kernel/uevent_helper > [26678.366878] Modules linked in: > [26678.369950] CPU: 0 Not tainted (2.6.33-rc1 #1) > [26678.374768] PC is at btrfs_get_acl+0x60/0x250 > [26678.379142] LR is at btrfs_xattr_get_acl+0x10/0x70 > [26678.383956] pc : [<c026c294>] lr : [<c026c494>] psr: 20000093 > [26678.383962] sp : c5199e08 ip : c04fc87c fp : bec451d4 > [26678.395498] r10: 00186058 r9 : c5198000 r8 : c0496b5a > [26678.400749] r7 : 00000000 r6 : 00008000 r5 : ce0ef600 r4 : 00000008 > [26678.407307] r3 : 20000013 r2 : 20000093 r1 : 00008000 r0 : 00000008 > [26678.413864] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user > [26678.421119] Control: 0005397f Table: 0ebb8000 DAC: 00000015 > [26678.426891] Process vi (pid: 1033, stack limit = 0xc5198270) > [26678.432576] Stack: (0xc5199e08 to 0xc519a000) > [26678.436958] 9e00: c5199e70 db119840 00000084 00000000 c0496b5a c5198000 > [26678.445182] 9e20: 00186058 c026c494 c5199e70 00000017 c04fc838 c019bb20 00000000 c5199e70 > [26678.453405] 9e40: ce0ef600 c98734c8 db119840 00000084 c5199e70 c019c01c 00000084 db119840 > [26678.461628] 9e60: bec450c0 ce0ef600 00000017 c019c0c4 74737973 702e6d65 7869736f 6c63615f > [26678.469851] 9e80: 6363615f 00737365 c5199f18 00000000 00000001 c98734c8 00000000 c018e1e4 > [26678.478073] 9ea0: 00000000 00000001 00000371 117ee576 00000005 c3ba3009 dfc4a280 ce0ef600 > [26678.486297] 9ec0: 00000000 c5199f18 c5199ee8 c5198000 c3ba3000 00000000 c5199f18 c5198000 > [26678.494520] 9ee0: c3ba3000 c018e4cc c5199f2c c3ba3000 00000000 00000001 c5199f18 c3ba3000 > [26678.502743] 9f00: 00000000 c018e57c c04f26f0 c3ba3000 c3ba3000 c018eeb0 dfc4a280 ce0ef600 > [26678.510966] 9f20: c5199f30 c5199f48 bec45170 00000000 df412400 00000001 00000001 00000000 > [26678.519189] 9f40: 00179424 c01883a8 0001f9da 00000000 00000010 c51981a4 c04f240c d5b20900 > [26678.527411] 9f60: 00000012 c98734c8 c5199f88 00000002 c5199f88 00000084 bec450c0 4012f994 > [26678.535635] 9f80: 00000000 c019c220 dfc4a280 ce0ef600 00000084 bec450c0 4012c7e8 000000e5 > [26678.543858] 9fa0: c0122fa4 c0122e20 00000084 bec450c0 00186058 4012f994 bec450c0 00000084 > [26678.552081] 9fc0: 00000084 bec450c0 4012c7e8 000000e5 00000001 00179444 00186058 bec451d4 > [26678.560304] 9fe0: bec450b0 bec450a0 40274ecc 401fb5d0 60000010 00186058 d5abcade ace1046d > [26678.568532] [<c026c294>] (btrfs_get_acl+0x60/0x250) from [<c026c494>] (btrfs_xattr_get_acl+0x10/0x70) > [26678.577802] [<c026c494>] (btrfs_xattr_get_acl+0x10/0x70) from [<c019bb20>] (generic_getxattr+0x78/0x7c) > [26678.587243] [<c019bb20>] (generic_getxattr+0x78/0x7c) from [<c019c01c>] (vfs_getxattr+0x58/0x5c) > [26678.596074] [<c019c01c>] (vfs_getxattr+0x58/0x5c) from [<c019c0c4>] (getxattr+0xa4/0x11c) > [26678.604298] [<c019c0c4>] (getxattr+0xa4/0x11c) from [<c019c220>] (sys_getxattr+0x44/0x58) > [26678.612525] [<c019c220>] (sys_getxattr+0x44/0x58) from [<c0122e20>] (ret_fast_syscall+0x0/0x28) > [26678.621265] Code: 0a000077 e10f3000 e3832080 e121f002 (e5942000) > [26678.627621] ---[ end trace a16c1078eb68be38 ]--- -- Humilis IT Services and Solutions http://www.humilis.net -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
