Hey! Got following crash while copying files to btrfs partition with latest unstable btrfs. Partition itself is a 6GB image residing on ext3 partition.
cp used greatest stack depth: 3504 bytes left space info full 1 allocation failed flags 1 ------------[ cut here ]------------ kernel BUG at /var/tmp/portage/sys-fs/btrfs-9999/work/kernel-unstable/extent-tree.c:2136! invalid opcode: 0000 [1] SMP CPU 0 Modules linked in: btrfs [last unloaded: btrfs] Pid: 247, comm: pdflush Not tainted 2.6.27-rc4 #2 RIP: 0010:[<ffffffffa000c3ba>] [<ffffffffa000c3ba>] __alloc_chunk_for_shrink+0x942/0x97d [btrfs] RSP: 0018:ffff88007e293850 EFLAGS: 00010282 RAX: 000000000000001d RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000103af6a67 RSI: 0000000000000086 RDI: ffffffff8150db50 RBP: ffff88007e2938c0 R08: ffff88007e2936a0 R09: 0000000100000000 R10: 0000005168576094 R11: ffff880001018a80 R12: ffff880074d12000 R13: ffff880071c10c00 R14: 0000000000001000 R15: ffff8800620585b0 FS: 0000000000000000(0000) GS:ffffffff8158e2c0(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000c1fdf8 CR3: 0000000048075000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process pdflush (pid: 247, threadinfo ffff88007e292000, task ffff88007e123020) Stack: 0000000000000000 ffff88007e293980 0000000000000000 0000000000000000 0000000000000001 0000000000000246 0000000000000000 0000000000000000 0000000000001000 0000000000000000 ffff880071c10c00 0000000000000000 Call Trace: [<ffffffffa000c453>] btrfs_reserve_extent+0x5e/0xb49 [btrfs] [<ffffffffa0017a38>] btrfs_force_ra+0x94c/0x19fd [btrfs] [<ffffffff8104416a>] ? enqueue_hrtimer+0xe3/0xf1 [<ffffffffa0017e24>] btrfs_force_ra+0xd38/0x19fd [btrfs] [<ffffffffa00289d9>] ? find_lock_delalloc_range+0x1df/0x226 [btrfs] [<ffffffffa002ae7c>] clear_extent_buffer_dirty+0x2dc/0x727 [btrfs] [<ffffffff81065e87>] ? find_get_pages_tag+0x3e/0xd9 [<ffffffff81071419>] ? __dec_zone_page_state+0x1e/0x20 [<ffffffff8106c468>] write_cache_pages+0x1b4/0x318 [<ffffffffa001c57c>] ? __btrfs_submit_bio_hook+0x0/0x4e [btrfs] [<ffffffffa002ad0e>] ? clear_extent_buffer_dirty+0x16e/0x727 [btrfs] [<ffffffff81132141>] ? rb_insert_color+0x69/0xe6 [<ffffffffa00287da>] extent_writepages+0x32/0x52 [btrfs] [<ffffffffa0018bd4>] ? btrfs_get_extent+0x0/0x73e [btrfs] [<ffffffffa0018bb2>] btrfs_writepages+0x23/0x25 [btrfs] [<ffffffff8106c619>] do_writepages+0x28/0x38 [<ffffffff810a9e4a>] __writeback_single_inode+0x184/0x394 [<ffffffff810270ad>] ? hrtick_start_fair+0x135/0x16b [<ffffffff810aa4c7>] generic_sync_sb_inodes+0x2a0/0x3de [<ffffffff810aa85c>] writeback_inodes+0x8b/0xdd [<ffffffff8106cb81>] background_writeout+0x92/0xcb [<ffffffff8106d13c>] pdflush+0x143/0x1f1 [<ffffffff8106caef>] ? background_writeout+0x0/0xcb [<ffffffff8106cff9>] ? pdflush+0x0/0x1f1 [<ffffffff81041a41>] kthread+0x49/0x76 [<ffffffff8100ceb9>] child_rip+0xa/0x11 [<ffffffff81027176>] ? pick_next_task_fair+0x93/0xa3 [<ffffffff810419f8>] ? kthread+0x0/0x76 [<ffffffff8100ceaf>] ? child_rip+0x0/0x11 Code: 85 08 01 00 00 4c 89 f2 48 8b 70 20 e8 0d f5 ff ff e9 91 fe ff ff 85 c0 74 15 48 89 de 48 c7 c7 04 20 03 a0 31 c0 e8 d8 19 37 e1 <0f> 0b eb fe 48 8b 45 18 49 8b bd 08 01 00 00 48 8b 30 48 83 c7 RIP [<ffffffffa000c3ba>] __alloc_chunk_for_shrink+0x942/0x97d [btrfs] RSP <ffff88007e293850> ---[ end trace 55b30c81761fd934 ]--- pdflush used greatest stack depth: 3208 bytes left Cheers, Priit ;) -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html