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    Subject[Bug 1036] New: Badness in local_bh_enable at kernel/softirq.c:113

    Summary: Badness in local_bh_enable at kernel/softirq.c:113
    Kernel Version: 2.6.0-test2
    Status: NEW
    Severity: high

    Distribution: gentoo
    Hardware Environment: AMD AthlonXP
    Software Environment:


    Problem Description:

    My pptp client connections keeps dying, syslogging:

    Aug 3 13:35:36 [pppd] Using interface ppp0
    Aug 3 13:35:36 [pppd] Connect: ppp0 <--> /dev/pts/4
    Aug 3 13:35:36 [/etc/hotplug/net.agent] NET add event not supported
    Aug 3 13:35:38 [pptp] anon log[decaps_hdlc:pptp_gre.c:198]: PPP mode seems to
    be Asynchronous._
    Aug 3 13:35:39 [pppd] Remote message: Welcome^M^J
    Aug 3 13:35:41 [pppd] local IP address
    Aug 3 13:35:41 [pppd] remote IP address
    Aug 3 13:36:07 [pppd] Unsupported protocol 0xd44a received
    Aug 3 13:36:57 [pppd] Unsupported protocol 0xcc4a received
    aug 3 13:38:20 [su(pam_unix)] session opened for user root by (uid=1001)
    Aug 3 13:39:21 [anacron] Job `cron.daily' started
    Aug 3 13:39:29 [crontab] (root) LIST (root)_
    Aug 3 13:39:37 [pptp] anon warn[decaps_gre:pptp_gre.c:300]: short read (-1):
    Message too long
    Aug 3 13:39:37 [pptp] anon log[callmgr_main:pptp_callmgr.c:234]: Closing connection
    Aug 3 13:39:37 [pptp] anon log[pptp_conn_close:pptp_ctrl.c:308]: Closing PPTP
    Aug 3 13:39:39 [pptp] anon log[call_callback:pptp_callmgr.c:74]: Closing connection
    Aug 3 13:39:39 [pppd] Hangup (SIGHUP)
    Aug 3 13:39:39 [kernel] Badness in local_bh_enable at kernel/softirq.c:113
    Aug 3 13:39:39 [pppd] Modem hangup
    Aug 3 13:39:39 [pppd] Connection terminated.
    Aug 3 13:39:39 [pppd] Connect time 4.1 minutes.
    Aug 3 13:39:39 [pppd] Sent 310556 bytes, received 1615363 bytes.
    Aug 3 13:39:39 [/etc/hotplug/net.agent] NET remove event not supported
    Aug 3 13:39:39 [pppd] Failed to open /dev/pts/4: No such file or directory
    - Last output repeated 9 times -
    Aug 3 13:39:39 [pppd] Exit.

    And giving this call trace in the kernel log:

    Badness in local_bh_enable at kernel/softirq.c:113
    Call Trace:
    [<c0120b88>] local_bh_enable+0x88/0x90
    [<c037bd54>] ppp_async_push+0xa4/0x1b0
    [<c015dd04>] __lookup_hash+0x64/0xd0
    [<c037b621>] ppp_asynctty_wakeup+0x31/0x60
    [<c032bff6>] pty_unthrottle+0x56/0x60
    [<c032898a>] check_unthrottle+0x3a/0x40
    [<c0328a34>] n_tty_flush_buffer+0x14/0x50
    [<c032c3ae>] pty_flush_buffer+0x5e/0x60
    [<c03253ac>] do_tty_hangup+0x3ac/0x420
    [<c0326823>] release_dev+0x5b3/0x600
    [<c03fc000>] snd_pcm_oss_init_substream+0x50/0x90
    [<c01402fe>] zap_pmd_range+0x4e/0x70
    [<c014036e>] unmap_page_range+0x4e/0x90
    [<c0326beb>] tty_release+0x2b/0x60
    [<c015091e>] __fput+0xce/0xe0
    [<c014ef5b>] filp_close+0x4b/0x80
    [<c011e5fc>] put_files_struct+0x6c/0xe0
    [<c011f1c5>] do_exit+0x165/0x340
    [<c011f3d5>] sys_exit+0x15/0x20
    [<c010930b>] syscall_call+0x7/0xb

    Steps to reproduce:

    Don't know how to trigger it, but it happens all the time.

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      Last update: 2005-03-22 13:47    [W:0.023 / U:6.136 seconds]
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