Hi, On Tue Aug 7 16:00:19 GMT 2007, Martin Koegler wrote: > A vanilla 2.6.22 kernel (SMP PREEMPT i686) produced the following messages, > while working with a CIFS mount point: > > Aug 7 16:12:30 localhost kernel: BUG: scheduling while atomic: > bash/0x00000001/5868 > Aug 7 16:12:30 localhost kernel: [schedule+1312/2250] schedule+0x520/0x8ca > Aug 7 16:12:30 localhost kernel: [__switch_to+157/410] > __switch_to+0x9d/0x19a > Aug 7 16:12:30 localhost kernel: [kernel_sendmsg+39/53] > kernel_sendmsg+0x27/0x35 > Aug 7 16:12:30 localhost kernel: [<e0c204aa>] wait_for_response+0xca/0x134 > [cifs] > Aug 7 16:12:30 localhost kernel: [autoremove_wake_function+0/53] > autoremove_wake_function+0x0/0x35 > Aug 7 16:12:30 localhost kernel: [<e0c20a5c>] SendReceive+0x12b/0x457 [cifs] > Aug 7 16:12:30 localhost kernel: [<e0c0abf4>] CIFSSMBOpen+0x109/0x2c2 [cifs] > Aug 7 16:12:30 localhost kernel: [<e0c170d3>] cifs_reopen_file+0x123/0x3d0 > [cifs] > Aug 7 16:12:30 localhost kernel: [<e0c17cf4>] find_writable_file+0x7b/0xdb > [cifs] > Aug 7 16:12:30 localhost kernel: [<e0c183e8>] > is_size_safe_to_change+0x18/0x7a [cifs] > Aug 7 16:12:30 localhost kernel: [<e0c26959>] cifs_readdir+0x1118/0x167f > [cifs] > Aug 7 16:12:30 localhost kernel: [filldir64+0/197] filldir64+0x0/0xc5 > Aug 7 16:12:30 localhost kernel: [filldir64+0/197] filldir64+0x0/0xc5 > Aug 7 16:12:30 localhost kernel: [vfs_readdir+124/145] vfs_readdir+0x7c/0x91 > Aug 7 16:12:30 localhost kernel: [sys_getdents64+99/165] > sys_getdents64+0x63/0xa5 > Aug 7 16:12:30 localhost kernel: [syscall_call+7/11] syscall_call+0x7/0xb > Aug 7 16:12:30 localhost kernel: [netlbl_unlabel_list+143/479] > netlbl_unlabel_list+0x8f/0x1df > Aug 7 16:12:30 localhost kernel: ======================= > Aug 7 16:13:03 localhost kernel: CIFS VFS: Send error in Close = -9
FWIW, I saw something very similar: Aug 27 22:33:08 wibble kernel: BUG: scheduling while atomic: bash/0x00000001/4077 Aug 27 22:33:08 wibble kernel: Aug 27 22:33:08 wibble kernel: Call Trace: Aug 27 22:33:08 wibble kernel: [<ffffffff805265df>] __sched_text_start+0x5f/0x79b Aug 27 22:33:08 wibble kernel: [<ffffffff8049cb7a>] kernel_sendmsg+0x2c/0x3e Aug 27 22:33:08 wibble kernel: [<ffffffff8032ba42>] wait_for_response+0xbe/0x155 Aug 27 22:33:08 wibble kernel: [<ffffffff802392bf>] autoremove_wake_function+0x0/0x2e Aug 27 22:33:08 wibble kernel: [<ffffffff8032c0e1>] SendReceive+0x1fb/0x3f8 Aug 27 22:33:08 wibble kernel: [<ffffffff803192c2>] CIFSSMBOpen+0x1c6/0x27a Aug 27 22:33:08 wibble kernel: [<ffffffff80323b8a>] cifs_reopen_file+0x1ea/0x356 Aug 27 22:33:08 wibble kernel: [<ffffffff8032455c>] find_writable_file+0x84/0xe7 Aug 27 22:33:08 wibble kernel: [<ffffffff80324b51>] is_size_safe_to_change+0x16/0x4e Aug 27 22:33:08 wibble kernel: [<ffffffff8032fbc7>] fill_in_inode+0x270/0x4ec Aug 27 22:33:08 wibble kernel: [<ffffffff80330c67>] cifs_readdir+0xe24/0x1071 Aug 27 22:33:08 wibble kernel: [<ffffffff802733c8>] filldir64+0x0/0xb8 Aug 27 22:33:08 wibble kernel: [<ffffffff80218c71>] do_page_fault+0x40b/0x74a Aug 27 22:33:08 wibble kernel: [<ffffffff80527ffb>] __mutex_lock_slowpath+0x234/0x23f Aug 27 22:33:08 wibble kernel: [<ffffffff802733c8>] filldir64+0x0/0xb8 Aug 27 22:33:08 wibble kernel: [<ffffffff80273594>] vfs_readdir+0x5d/0x92 Aug 27 22:33:08 wibble kernel: [<ffffffff8027363e>] sys_getdents64+0x75/0xba Aug 27 22:33:08 wibble kernel: [<ffffffff8052948d>] error_exit+0x0/0x84 Aug 27 22:33:08 wibble kernel: [<ffffffff8020958e>] system_call+0x7e/0x83 Aug 27 22:33:08 wibble kernel: I'm using a 2.6.22.1 kernel (with SMP and PREEMPT, including BKL) on Debian etch AMD64, and Samba 3.0.24-6etch4. (please CC replies) -MD -- ------------------------------------------------------------------------------- Michael Deegan Hugaholic http://wibble.darktech.org/gallery/ ------------------------- Nyy Tybel Gb Gur Ulcabgbnq! ------------------------- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/