[linux-cifs-client] BUG: scheduling while atomic - linux 2.6.22

[Martin Koegler]

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

The server is a samba server.

mfg Martin Kögler