Hello, Thoughts? Saw this when trying to copy files to array with Samba and doing file operations: [28939.505792] ------------[ cut here ]------------ [28939.505818] WARNING: at include/linux/iocontext.h:140 copy_process.part.50+0x115e/0x1220() [28939.505826] Hardware name: X8DTH-i/6/iF/6F [28939.505833] Pid: 16976, comm: dump Not tainted 3.5.1+ #3 [28939.505838] Call Trace: [28939.505847] [<ffffffff8102f355>] warn_slowpath_common+0x75/0xb0 [28939.505855] [<ffffffff8102f465>] warn_slowpath_null+0x15/0x20 [28939.505862] [<ffffffff8102e67e>] copy_process.part.50+0x115e/0x1220 [28939.505869] [<ffffffff8102e8ab>] do_fork+0x13b/0x2f0 [28939.505880] [<ffffffff8103ceb2>] ? recalc_sigpending+0x12/0x30 [28939.505888] [<ffffffff8103f75a>] ? __set_current_blocked+0x3a/0x60 [28939.505898] [<ffffffff8100a263>] sys_clone+0x23/0x30 [28939.505908] [<ffffffff816bebf3>] stub_clone+0x13/0x20 [28939.505916] [<ffffffff816be9a6>] ? system_call_fastpath+0x1a/0x1f [28939.505922] ---[ end trace bb4eebc57a10f73a ]--- [29113.279716] 3w-sas: scsi0: AEN: INFO (0x04:0x0029): Verify started:unit=0. [29367.345433] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 [29367.345455] IP: [<ffffffff8116539c>] ext4_ext_remove_space+0x89c/0xc90 [29367.345471] PGD c1ef31067 PUD aa4435067 PMD 0 [29367.345485] Oops: 0000 [#1] SMP [29367.345495] CPU 4 [29367.345503] Pid: 16922, comm: rsync Tainted: G W 3.5.1+ #3 Supermicro X8DTH-i/6/iF/6F/X8DTH [29367.345520] RIP: 0010:[<ffffffff8116539c>] [<ffffffff8116539c>] ext4_ext_remove_space+0x89c/0xc90 [29367.345534] RSP: 0018:ffff880a7db79c98 EFLAGS: 00010246 [29367.345542] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 00000003c06c3600 [29367.345550] RDX: 0000000000000001 RSI: 00000001f4b88bf3 RDI: 0000000000000002 [29367.345558] RBP: ffff880a7db79d88 R08: 00000000c06c3600 R09: ffff8806245245c0 [29367.345566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [29367.345574] R13: ffff8806245245f0 R14: ffff88029948b0cc R15: ffff8800b53596f0 [29367.345582] FS: 00007f8b5c30e700(0000) GS:ffff88063fc80000(0000) knlGS:0000000000000000 [29367.345593] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [29367.345598] CR2: 0000000000000028 CR3: 0000000b59a6c000 CR4: 00000000000007e0 [29367.345604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [29367.345609] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [29367.345615] Process rsync (pid: 16922, threadinfo ffff880a7db78000, task ffff8800bb318cf0) [29367.345621] Stack: [29367.345624] ffff880a7db79cd8 ffffffff8116821b ffff880a7db79ce8 ffff8800b53596f0 [29367.345638] ffff8808840eb600 ffff880a7db79d40 ffff88062554a000 ffff8800fffffff5 [29367.345651] ffff880a7db79d28 ffff8800b5359660 ffff88062554a000 ffff880624524620 [29367.345664] Call Trace: [29367.345671] [<ffffffff8116821b>] ? __ext4_handle_dirty_metadata+0x7b/0x100 [29367.345678] [<ffffffff81167313>] ext4_ext_truncate+0x173/0x1b0 [29367.345685] [<ffffffff8114e696>] ? ext4_mark_inode_dirty+0x66/0x170 [29367.345693] [<ffffffff8114bd3d>] ext4_truncate+0x5d/0x70 [29367.345699] [<ffffffff81150658>] ext4_evict_inode+0x378/0x3d0 [29367.345707] [<ffffffff810dadea>] evict+0xaa/0x1a0 [29367.345713] [<ffffffff810dba13>] iput+0x103/0x210 [29367.345720] [<ffffffff810d1794>] do_unlinkat+0x154/0x1c0 [29367.345729] [<ffffffff810c3a28>] ? vfs_write+0x118/0x160 [29367.345739] [<ffffffff810c3b55>] ? sys_write+0x45/0xa0 [29367.345745] [<ffffffff810d1851>] sys_unlink+0x11/0x20 [29367.345753] [<ffffffff816be9a6>] system_call_fastpath+0x1a/0x1f [29367.345759] Code: 8b 4d 20 0f b7 41 02 48 8d 04 40 48 8d 04 81 49 89 45 18 0f b7 49 02 48 83 c1 01 49 89 4d 00 e9 c5 f8 ff ff 0f 1f 00 49 8b 45 28 <48> 8b 40 28 49 89 45 20 e9 9c f8 ff ff 0f 1f 80 00 00 00 00 41 [29367.345874] RIP [<ffffffff8116539c>] ext4_ext_remove_space+0x89c/0xc90 [29367.345881] RSP <ffff880a7db79c98> [29367.345885] CR2: 0000000000000028 [29367.345890] ---[ end trace bb4eebc57a10f73b ]--- [35775.632435] 3w-sas: scsi0: AEN: INFO (0x04:0x002B): Verify completed:unit=0. [39395.965177] 3w-sas: scsi0: AEN: INFO (0x04:0x0091): Unit now in standby mode:unit=0. [50143.132858] 3w-sas: scsi0: AEN: INFO (0x04:0x0090): Unit now in active mode:unit=0. Justin. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html