When mounting a newly created btrfs on sparc64, the following warning is printed (vanilla 2.6.33-rc6, Feb 03): [ 1087.724622] ------------[ cut here ]------------ [ 1087.779337] WARNING: at /data/scm/linux-2.6-git/fs/btrfs/extent_io.c:3618 write_extent_buffer+0x140/0x1a0 [btrfs]() [ 1087.903973] Modules linked in: btrfs zlib_deflate zlib_inflate crc32c libcrc32c nfsd exportfs loop sg sr_mod cdrom [ 1088.027849] Call Trace: [ 1088.057125] [0000000000452d44] warn_slowpath_common+0x44/0x80 [ 1088.126910] [0000000000452d90] warn_slowpath_null+0x10/0x20 [ 1088.194785] [00000000101354a0] write_extent_buffer+0x140/0x1a0 [btrfs] [ 1088.273969] [000000001013e550] btrfs_read_sys_array+0x50/0x340 [btrfs] [ 1088.353124] [00000000101070fc] open_ctree+0xf1c/0x17c0 [btrfs] [ 1088.423941] [00000000100dc938] btrfs_get_sb+0x358/0x4a0 [btrfs] [ 1088.495701] [00000000004c6e54] vfs_kern_mount+0x34/0xe0 [ 1088.559230] [00000000004c6f44] do_kern_mount+0x24/0xe0 [ 1088.621737] [00000000004e02b4] do_mount+0x2b4/0x8c0 [ 1088.681346] [0000000000502338] compat_sys_mount+0x98/0x280 [ 1088.747812] [0000000000406114] linux_sparc_syscall32+0x34/0x40 [ 1088.818614] ---[ end trace 19996b4574f21973 ]--- This has been reported[0] in 2008 by Alexander Beregalov and it was suggested to set sectorsize to the system's page size. This seems to be done anyway but even explicitly setting this during mkfs doesn't make the warning go away. Full dmesg and .config: http://nerdbynature.de/bits/2.6.33-rc6/btrfs/ Thanks, Christian. [0] http://www.spinics.net/lists/linux-btrfs/msg01029.html -- BOFH excuse #178: short leg on process table -- 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
