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Date: Fri, 25 Jul 2008 10:32:30 +0800 From: "jianhai yang" <jianhai@...il.com> To: linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Is there any patch for this problem? I am using PPP currently, but sometimes the process "pppd" becomes UNINTERRUPTIBLE while the serial port is still active. My kernel is linux-2.6.21. For now I have got the short message from "dmesg" as bellow: [ 1398.270000] [<c00b05f8>] (raw_notifier_call_chain+0x0/0x14) from [<c025b3c8>] (unregister_netdevice+0x1a0/0x294) [ 1398.270000] [<c025b228>] (unregister_netdevice+0x0/0x294) from [<c025b4dc>] (unregister_netdev+0x20/0x28) [ 1398.270000] r6 = C159C800 r5 = C1B5F400 r4 = C1B5F400 [ 1398.270000] [<c025b4bc>] (unregister_netdev+0x0/0x28) from [<c01ea1f4>] (ppp_shutdown_interface+0x7c/0xc8) [ 1398.270000] r4 = C0EEC000 [ 1398.270000] [<c01ea178>] (ppp_shutdown_interface+0x0/0xc8) from [<c01ea5a0>] (ppp_release+0x44/0x9c) [ 1398.270000] r7 = C13D7238 r6 = C13AB638 r5 = 00000008 r4 = C159C800 [ 1398.270000] [<c01ea55c>] (ppp_release+0x0/0x9c) from [<c00ec010>] (__fput+0xb8/0x1b4) [ 1398.270000] r4 = C1674840 [ 1398.270000] [<c00ebf58>] (__fput+0x0/0x1b4) from [<c00ec274>] (fput+0x34/0x38) [ 1398.270000] r8 = 00000001 r7 = C202DDE0 r6 = 00000000 r5 = C07EC380 [ 1398.270000] r4 = C1674840 [ 1398.270000] [<c00ec240>] (fput+0x0/0x38) from [<c00e9054>] (filp_close+0x78/0x84) [ 1398.270000] [<c00e8fdc>] (filp_close+0x0/0x84) from [<c00a32c4>] (put_files_struct+0x88/0xe0) [ 1398.270000] r6 = 000000D4 r5 = 0000077F r4 = C07EC380 [ 1398.270000] [<c00a323c>] (put_files_struct+0x0/0xe0) from [<c00a486c>] (do_exit+0x248/0x90c) [ 1398.270000] r8 = 00000009 r7 = 00000001 r6 = C0EEDFB0 r5 = C07EB320 [ 1398.270000] r4 = C07EC380 [ 1398.270000] [<c00a4624>] (do_exit+0x0/0x90c) from [<c00a4ff4>] (do_group_exit+0xc4/0xcc) [ 1398.270000] [<c00a4f30>] (do_group_exit+0x0/0xcc) from [<c00af814>] (get_signal_to_deliver+0x3e0/0x42c) [ 1398.270000] r4 = C3581B54 [ 1398.270000] [<c00af434>] (get_signal_to_deliver+0x0/0x42c) from [<c0080a48>] (do_signal+0x64/0x4d4) [ 1398.270000] [<c00809e4>] (do_signal+0x0/0x4d4) from [<c0080ee4>] (do_notify_resume+0x2c/0x30) [ 1398.270000] [<c0080eb8>] (do_notify_resume+0x0/0x30) from [<c007dd0c>] (work_pending+0x1c/0x20) [ 1398.270000] Code: e1a0c00d e92dd810 e24cb004 e24dd004 (e5904014) [ 1398.810000] Fixing recursive fault but reboot is needed! Thanks a lot! Best Regards! Jianhai Yang. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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