On 11/04/2007 11:05 PM, Felipe Dias wrote:
> Ow sorry... the warning:
>
> BUG: scheduling while atomic: gnome-cups-icon/0x00000101/3827
> [<c02aefe6>] __sched_text_start+0x56/0x7c8
> [<c0130139>] autoremove_wake_function+0x14/0x33
> [<c0119284>] __wake_up_common+0x35/0x53
> [<c01197f6>] __wake_up+0x32/0x43
> [<c02af847>] wait_for_completion+0x6a/0x9f
> [<c011b6ae>] default_wake_function+0x0/0xc
> [<c012cdff>] call_usermodehelper_keys+0xad/0xc5
> [<c012ceec>] request_module+0xd5/0xe6
Seems like it is not inteded for using in atomic at all (you probably passed an
unknown algo here to the prepare function). You seem to have to use a workqueue
if it is possible or prepare the serach before the interrupt occurs. Post your
code if you want more appropriate answer.
> [<c01b2762>] __next_cpu+0x12/0x21
> [<c0119e54>] find_busiest_group+0x1d6/0x55a
> [<c01ba672>] textsearch_prepare+0x8c/0x11a
> [<c017c11d>] __find_get_block_slow+0x127/0x131
> [<f9198451>] hook_test+0x4c/0xb6 [test_mod]
> [<c017c3f0>] __find_get_block+0x13f/0x149
> [<c026ef84>] nf_iterate+0x38/0x6a
> [<c0273f1c>] ip_rcv_finish+0x0/0x294
> [<c026f0c1>] nf_hook_slow+0x4d/0xb5
> [<c0273f1c>] ip_rcv_finish+0x0/0x294
> [<c027462f>] ip_rcv+0x20b/0x4bd
> [<c0273f1c>] ip_rcv_finish+0x0/0x294
> [<f8ccd2ad>] search_by_key+0x17f/0xe87 [reiserfs]
> [<c0127b32>] del_timer_sync+0xa/0x14
> [<c02afdfb>] schedule_timeout+0x79/0x8d
> [<c025aee2>] netif_receive_skb+0x2ef/0x309
> [<c026e201>] __nla_put+0xe/0x25
> [<c025ca16>] process_backlog+0x7c/0xe9
> [<c025cbe6>] net_rx_action+0x95/0x186
> [<c012469f>] __do_softirq+0x6c/0xcf
> [<c0124734>] do_softirq+0x32/0x36
> [<c0124900>] local_bh_enable+0x7b/0x89
> [<c025ced9>] dev_queue_xmit+0x202/0x221
> [<c0279686>] ip_output+0x269/0x2a3
> [<c0278d95>] ip_queue_xmit+0x358/0x39a
> [<c014b589>] __alloc_pages+0x64/0x2a8
> [<c015e2ee>] cache_alloc_refill+0x74/0x45f
> [<c028ba0f>] tcp_v4_send_check+0x86/0xbc
> [<c0286f8f>] tcp_transmit_skb+0x618/0x652
> [<c0256fe4>] __alloc_skb+0x47/0x104
> [<c0289319>] tcp_connect+0x2a3/0x31d
> [<c028c0cd>] tcp_v4_connect+0x493/0x5a4
> [<c0171eb3>] touch_atime+0x8b/0xac
> [<c0296f23>] inet_stream_connect+0x87/0x20d
> [<c01b6856>] copy_from_user+0x23/0x4f
> [<c02518b5>] sys_connect+0x82/0xad
> [<c02b0c6c>] _spin_lock_bh+0x8/0x18
> [<c02b0c6c>] _spin_lock_bh+0x8/0x18
> [<c02538c3>] release_sock+0x12/0x8c
> [<c027d938>] tcp_setsockopt+0x309/0x321
> [<c016fb25>] d_alloc+0x14b/0x17e
> [<c016f9d6>] d_instantiate+0x66/0x6a
> [<c02532a4>] sock_common_setsockopt+0x1d/0x22
> [<c0251814>] sys_setsockopt+0x88/0xa7
> [<c0252e33>] sys_socketcall+0x8f/0x242
> [<c0103d16>] sysenter_past_esp+0x5f/0x85
> =======================
regards,
--
Jiri Slaby ([email protected])
Faculty of Informatics, Masaryk University
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