problema no firefox 2.0.0.3

[maru]

Oi pessoal!

Tenho o firefox 2.0.0.3 no ubuntu 6.10.
De vez em quando ele trava e aparece o seguinte aviso no terminal:

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057269] Oops: 0000 [#2]

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057332] CPU:    0

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057356] EIP is at kmap_atomic+0x10/0x70

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057366] esi: 00001000   edi: 00000000   ebp: da06c6b4   esp: d53a1d78

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057371] ds: 007b   es: 007b   ss: 0068

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057376] Process firefox-bin (pid: 5745, threadinfo=d53a0000 task=db13b090)

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057379] Stack: 00000800 eeb514f8 00000800 dbc223c0 00001000 da06c6b4 eeb523d2 00000004

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057391]        000201d2 c0359358 00000046 da06c754 00000000 00000002 c01ca530 00000001

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057400]        c01cad3a 00000000 00000000 da06c754 da93ade0 00000000 da06c750 da06c59c

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057409] Call Trace:

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057428]  <eeb514f8> nfs_readpage_truncate_uninitialised_page+0xe8/0x130 [nfs]  <eeb523d2> nfs_readpage+0x232/0x4b0 [nfs]

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057557]  <c01ca530> radix_tree_node_alloc+0x10/0x50  <c01cad3a> radix_tree_insert+0x1ca/0x210

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057596]  <c013c80e> do_generic_mapping_read+0x4ae/0x540  <c013d21d> __generic_file_aio_read+0xfd/0x230

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057648]  <c013bb30> file_read_actor+0x0/0xf0  <eeb4b3b5> nfs_sync_mapping+0x55/0x70 [nfs]

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057692]  <c013d395> generic_file_aio_read+0x45/0x60  <c01580f4> do_sync_read+0xc4/0x100

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057734]  <c012a640> autoremove_wake_function+0x0/0x50  <c02c57da> schedule+0x2aa/0x5d0

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057773]  <c01211c9> run_timer_softirq+0x129/0x170  <c0158bac> vfs_read+0xbc/0x180

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057790]  <c0158030> do_sync_read+0x0/0x100  <c0159011> sys_read+0x41/0x70

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057810]  <c0102dbb> sysenter_past_esp+0x54/0x79

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057833] Code: c1 e0 05 03 05 40 3d 45 c0 c3 0f 0b 98 00 f2 ed 2d c0 eb d4 8d b4 26 00 00 00 00 53 89 c3 b8 00 e0 ff ff 89 d1 21 e0 83 40 14 01 <8b> 03 c1 e8 1e 8b 14 85 04 db 3c c0 8b 82 10 01 00 00 05 6c 03

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057870] EIP: [kmap_atomic+16/112] kmap_atomic+0x10/0x70 SS:ESP 0068:d53a1d78

Message from syslogd@johns at Mon May 28 10:24:28 2007 ...
johns kernel: [ 3604.057360] eax: d53a0000   ebx: 00000000   ecx: 00000003   edx: 00000003

Ainda não notei se este erro ocorre obedecendo um certo padrão, mas se alguém já o enfrentou ou pelo menos entende o que todos esses códigos significam, já ajuda!

Obrigado