Comment 2 for bug 55223

I spoke to soon.

Well, perhaps my problem was unrelated. /var/mail on autofs/nfs (server is sarge) was running fine on breezy and dapper. Now, after some minutes:

Nov 15 13:56:09 dikkop kernel: [17182078.364000] CPU: 0
Nov 15 13:56:09 dikkop kernel: [17182078.364000] EIP: 0060:[kmap_atomic+17/128] Tainted: P VLI
Nov 15 13:56:09 dikkop kernel: [17182078.364000] EFLAGS: 00010202 (2.6.17-10-generic #2)
Nov 15 13:56:09 dikkop kernel: [17182078.364000] EIP is at kmap_atomic+0x11/0x80
Nov 15 13:56:09 dikkop kernel: [17182078.364000] eax: 00000d63 ebx: 00000d63 ecx: e2486000 edx: 00000003
Nov 15 13:56:09 dikkop kernel: [17182078.364000] esi: 00000003 edi: 00000cea ebp: e2f773d0 esp: e2487d7c
Nov 15 13:56:09 dikkop kernel: [17182078.364000] ds: 007b es: 007b ss: 0068
Nov 15 13:56:09 dikkop kernel: [17182078.364000] Process mutt (pid: 5747, threadinfo=e2486000 task=e211d030)
Nov 15 13:56:09 dikkop kernel: [17182078.364000] Stack: 0000018b 00000316 f8f13ca8 00000e75 df8cb100 00001000 e2f773d0 f8f14c42
Nov 15 13:56:09 dikkop kernel: [17182078.364000] 00000004 c036f7ac 00000206 00000001 c17f7a80 00000040 00000001 c036f7a8
Nov 15 13:56:09 dikkop kernel: [17182078.364000] e211d030 000201d2 00000000 00000000 e2f7747c f1d9f640 00000000 e2f77478
Nov 15 13:56:09 dikkop kernel: [17182078.364000] Call Trace:
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <f8f13ca8> nfs_readpage_truncate_uninitialised_page+0xe8/0x130 [nfs] <f8f14c42> nfs_readpage+0x272/0x4f0 [nfs]
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <c014c698> do_generic_mapping_read+0x508/0x590 <c014d118> __generic_file_aio_read+0xf8/0x270
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <c014b8a0> file_read_actor+0x0/0xf0 <f8f0e104> nfs_revalidate_mapping+0x44/0x160 [nfs]
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <c014d2d5> generic_file_aio_read+0x45/0x60 <c016a5a4> do_sync_read+0xc4/0x100
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <c0136180> autoremove_wake_function+0x0/0x50 <c022684b> tty_write+0x1ab/0x1f0
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <c016b05c> vfs_read+0xbc/0x180 <c016a4e0> do_sync_read+0x0/0x100
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <c016b5d1> sys_read+0x41/0x70 <c0102fbb> sysenter_past_esp+0x54/0x79
Nov 15 13:56:09 dikkop kernel: [17182078.364000] Code: e0 05 03 05 00 cc 47 c0 c3 0f 0b 98 00 6b 30 2f c0 eb d4 8d b4 26 00 00 00 00 56 b9 00 e0 ff ff 53 89 c3 21 e1 83 41 14 01 89 d6 <8b> 00 c1 e8 1e 8b 14 85 84 90 3e c0 8b 82 0c 06 00 00 05 80 13
Nov 15 13:56:09 dikkop kernel: [17182078.364000] EIP: [kmap_atomic+17/128] kmap_atomic+0x11/0x80 SS:ESP 0068:e2487d7c
Nov 15 13:56:09 dikkop kernel: [17182078.364000] <6>note: mutt[5747] exited with preempt_count 1

Whatever that means :-P