From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernard Pidoux F6BVP Subject: kernel panic linux-2.6.27-rc7 Date: Sun, 28 Sep 2008 14:49:21 +0200 Message-ID: <48DF7D51.1010507@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit To: Jarek Poplawski , Linux Netdev List Return-path: Received: from smtp2-g19.free.fr ([212.27.42.28]:48106 "EHLO smtp2-g19.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751957AbYI1Mt0 (ORCPT ); Sun, 28 Sep 2008 08:49:26 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Hi, Here is another report catched via netconsole. Kernel is linux-2.6.27-rc7 kernel panic occurs within less than a minute after boot. ------------------------------ dim sep 28 14:38:59 CEST 2008 ------------------------------ BUG: unable to handle kernel paging request at 6b6b6b73 IP: [] datagram_poll+0xd9/0xf0 *pde = 00000000 Oops: 0002 [#1] Modules linked in: netrom rose mkiss crc16 ax25 netconsole configfs nfsd exportfs nfs lockd nfs_acl sunrpc af_packet snd_seq_dummy ipv6 snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss binfmt_misc loop usb_storage scsi_mod floppy usbhid snd_ens1371 snd_rawmidi snd_seq_device snd_ac97_codec uhci_hcd snd_pcm snd_timer snd soundcore snd_page_alloc usbcore ac97_bus intel_agp ide_cd_mod ne2k_pci agpgart 8390 ext3 jbd ide_disk piix ide_core [last unloaded: nf_conntrack] Pid: 3672, comm: fpad Not tainted (2.6.27-rc7 #2) EIP: 0060:[] EFLAGS: 00010202 CPU: 0 EIP is at datagram_poll+0xd9/0xf0 EAX: 6b6b6b6b EBX: c4470160 ECX: 00002059 EDX: 00002018 ESI: 00000001 EDI: 0000000c EBP: c67fdb3c ESP: c67fdb34 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Process fpad (pid: 3672, ti=c67fc000 task=c7998350 task.ti=c67fc000) Stack: c8cc7300 c6bc27c0 c67fdb48 c024ab92 00001000 c67fde14 c017e495 00000002 00000001 00000000 c017e180 00000000 c67fdbc4 c67fdf9c c67fdf48 00000000 0000000d c67fde54 c67fde58 c67fde5c c67fde4c c67fde50 c67fde54 00001bc0 Call Trace: [] ? sock_poll+0x12/0x20 [] ? do_select+0x315/0x5a0 [] ? do_select+0x0/0x5a0 [] ? __pollwait+0x0/0xd0 [] ? default_wake_function+0x0/0x10 [] ? default_wake_function+0x0/0x10 [] ? default_wake_function+0x0/0x10 [] ? default_wake_function+0x0/0x10 [] ? default_wake_function+0x0/0x10 [] ? default_wake_function+0x0/0x10 [] ? trace_hardirqs_off+0xb/0x10 [] ? __kernel_text_address+0x1b/0x30 [] ? dump_trace+0xbb/0x110 [] ? save_stack_trace+0x2b/0x50 [] ? save_trace+0x3c/0xa0 [] ? add_lock_to_list+0x3d/0xb0 [] ? check_noncircular+0x12/0x110 [] ? lock_timer_base+0x25/0x50 [] ? validate_chain+0xb13/0xea0 [] ? lock_timer_base+0x25/0x50 [] ? validate_chain+0xbc/0xea0 [] ? validate_chain+0xbc/0xea0 [] ? __lock_acquire+0x37c/0x9b0 [] ? trace_hardirqs_off+0xb/0x10 [] ? core_sys_select+0x1ea/0x330 [] ? core_sys_select+0x2d/0x330 [] ? trace_hardirqs_on+0xb/0x10 [] ? ax25_ioctl+0xbb/0x690 [ax25] [] ? ax25_connect+0x1e7/0x470 [ax25] [] ? release_sock+0xbf/0xd0 [] ? copy_from_user+0x46/0x80 [] ? sys_connect+0x91/0xb0 [] ? rose_ioctl+0x194/0x2c0 [rose] [] ? sock_ioctl+0x55/0x220 [] ? sys_select+0xcb/0x190 [] ? trace_hardirqs_on_thunk+0xc/0x10 [] ? sysenter_do_call+0x12/0x35 ======================= Code: b6 43 02 89 ca 83 ca 10 3c 07 0f b6 43 02 0f 44 ca 3c 02 74 d7 8b 83 c8 00 00 00 d1 f8 39 83 c0 00 00 00 7c c1 8b 83 28 02 00 00 <80> 48 08 01 5b 89 c8 5e 5d c3 b9 08 00 00 00 e9 53 ff ff ff 8d EIP: [] datagram_poll+0xd9/0xf0 SS:ESP 0068:c67fdb34 Kernel panic - not syncing: Fatal exception Rebooting in 60 seconds.. Regards, Bernard >On 07-09-2008 14:53, Bernard Pidoux wrote: > Hi, > > I observed this message recently on a system with acpi=off for > the bios is quite old. > > Apparently listen application and console are involved. > > Is there anything I can try to resolve this situation , > > > ================================= > [ INFO: inconsistent lock state ] > 2.6.25.10-patched-ax25 #1 > --------------------------------- > inconsistent {in-softirq-W} -> {softirq-on-W} usage. > listen/7202 [HC0[0]:SC0[0]:HE1:SE1] takes: > (_xmit_ETHER){-+..}, at: [] netpoll_send_skb+0x118/0x180 >Hi Bernard, > >These warnings usually mean there is some local_irq_disable/enable() >instead of local_irq_save/restore() etc. on the xmit path (maybe in a >network driver used for netconsole). Anyway, as usual, it would be >nice to test it with some more current kernel, and if it's still >there, add some info about this driver and additional patches. > >Thanks, >Jarek P.