Bug#210468: marked as done (kernel-image-2.6.0-test4-1-386: Badness in local_bh_enable at kernel/softirq.c:113)
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Received: (at submit) by bugs.debian.org; 11 Sep 2003 18:34:40 +0000
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From: Laurent.Bonnaud@inpg.fr
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: kernel-image-2.6.0-test4-1-386: Badness in local_bh_enable at
kernel/softirq.c:113
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Date: Thu, 11 Sep 2003 20:34:34 +0200
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Package: kernel-image-2.6.0-test4-1-386
Version: 2.6.0-test4-3
Severity: normal
Hi,
while playing with my Speedtouch USB ADSL modem and PPP, the kernel
spit out the following error messages (see below). Here is what I did
to trigger this bug:
- On bootup the in-kernel module speedtch is automatically
loaded.
- Since I don't know how to use this driver (yet) I tried the method
I use with kernel 2.4 so I removed the speedtch module.
- I ran the modem_run program that brings the ADSL line up.
- I used pon to bring up the PPP connection.
pppd uses the pppo3 program to decode ATM cells. pppo3 uses tty tricks
to communicate with pppd. Hence the *tty* kernel functions seen in the
backtraces.
-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux jophur 2.4.21-5-686 #1 Sun Aug 24 15:25:33 EST 2003 i686
Locale: LANG=C, LC_CTYPE=C
Versions of packages kernel-image-2.6.0-test4-1-386 depends on:
ii coreutils [fileutils] 5.0.90-3 The GNU core utilities
ii fileutils 5.0.90-3 The GNU file management utilities
ii initrd-tools 0.1.53 Tools to generate an initrd image.
ii module-init-tools 0.9.13-rel-1 tools for managing Linux kernel mo
-- no debconf information
Sep 11 11:35:06 jophur kernel: Badness in local_bh_enable at kernel/softirq.c:113
Sep 11 11:35:06 jophur kernel: Call Trace:
Sep 11 11:35:06 jophur kernel: [local_bh_enable+102/108] local_bh_enable+0x66/0x6c
Sep 11 11:35:06 jophur kernel: [__crc_sleep_on+3829875/4679624] ppp_sync_push+0x56/0x14c [ppp_synctty]
Sep 11 11:35:06 jophur kernel: [__crc_sleep_on+3828474/4679624] ppp_sync_wakeup+0x21/0x44 [ppp_synctty]
Sep 11 11:35:06 jophur kernel: [pty_unthrottle+67/72] pty_unthrottle+0x43/0x48
Sep 11 11:35:06 jophur kernel: [check_unthrottle+48/52] check_unthrottle+0x30/0x34
Sep 11 11:35:06 jophur kernel: [n_tty_flush_buffer+11/72] n_tty_flush_buffer+0xb/0x48
Sep 11 11:35:06 jophur kernel: [pty_flush_buffer+75/80] pty_flush_buffer+0x4b/0x50
Sep 11 11:35:06 jophur kernel: [do_tty_hangup+910/1004] do_tty_hangup+0x38e/0x3ec
Sep 11 11:35:06 jophur kernel: [release_dev+1420/1480] release_dev+0x58c/0x5c8
Sep 11 11:35:06 jophur kernel: [unmap_page_range+53/96] unmap_page_range+0x35/0x60
Sep 11 11:35:06 jophur kernel: [tty_release+33/84] tty_release+0x21/0x54
Sep 11 11:35:06 jophur kernel: [__fput+240/260] __fput+0xf0/0x104
Sep 11 11:35:06 jophur kernel: [filp_close+115/152] filp_close+0x73/0x98
Sep 11 11:35:06 jophur kernel: [put_files_struct+99/184] put_files_struct+0x63/0xb8
Sep 11 11:35:06 jophur kernel: [do_exit+268/940] do_exit+0x10c/0x3ac
Sep 11 11:35:06 jophur kernel: [do_group_exit+43/152] do_group_exit+0x2b/0x98
Sep 11 11:35:06 jophur kernel: [get_signal_to_deliver+552/788] get_signal_to_deliver+0x228/0x314
Sep 11 11:35:06 jophur kernel: [do_signal+76/208] do_signal+0x4c/0xd0
Sep 11 11:35:06 jophur kernel: [sys_rt_sigaction+132/224] sys_rt_sigaction+0x84/0xe0
Sep 11 11:35:06 jophur kernel: [sys_ipc+69/556] sys_ipc+0x45/0x22c
Sep 11 11:35:06 jophur kernel: [sys_time+68/80] sys_time+0x44/0x50
Sep 11 11:35:06 jophur kernel: [do_notify_resume+55/60] do_notify_resume+0x37/0x3c
Sep 11 11:35:06 jophur kernel: [work_notifysig+19/21] work_notifysig+0x13/0x15
Here is a variant I got on my second try:
Sep 11 11:36:11 jophur kernel: Badness in local_bh_enable at kernel/softirq.c:113
Sep 11 11:36:11 jophur kernel: Call Trace:
Sep 11 11:36:11 jophur kernel: [local_bh_enable+102/108] local_bh_enable+0x66/0x6c
Sep 11 11:36:11 jophur kernel: [__crc_sleep_on+3829875/4679624] ppp_sync_push+0x56/0x14c [ppp_synctty]
Sep 11 11:36:11 jophur kernel: [__crc_sleep_on+3828474/4679624] ppp_sync_wakeup+0x21/0x44 [ppp_synctty]
Sep 11 11:36:11 jophur kernel: [pty_unthrottle+67/72] pty_unthrottle+0x43/0x48
Sep 11 11:36:11 jophur kernel: [check_unthrottle+48/52] check_unthrottle+0x30/0x34
Sep 11 11:36:11 jophur kernel: [n_tty_flush_buffer+11/72] n_tty_flush_buffer+0xb/0x48
Sep 11 11:36:11 jophur kernel: [pty_flush_buffer+75/80] pty_flush_buffer+0x4b/0x50
Sep 11 11:36:11 jophur kernel: [do_tty_hangup+910/1004] do_tty_hangup+0x38e/0x3ec
Sep 11 11:36:11 jophur kernel: [release_dev+1420/1480] release_dev+0x58c/0x5c8
Sep 11 11:36:11 jophur kernel: [unmap_page_range+53/96] unmap_page_range+0x35/0x60
Sep 11 11:36:11 jophur kernel: [tty_release+33/84] tty_release+0x21/0x54
Sep 11 11:36:11 jophur kernel: [__fput+240/260] __fput+0xf0/0x104
Sep 11 11:36:11 jophur kernel: [filp_close+115/152] filp_close+0x73/0x98
Sep 11 11:36:11 jophur kernel: [put_files_struct+99/184] put_files_struct+0x63/0xb8
Sep 11 11:36:11 jophur kernel: [do_exit+268/940] do_exit+0x10c/0x3ac
Sep 11 11:36:11 jophur kernel: [do_group_exit+43/152] do_group_exit+0x2b/0x98
Sep 11 11:36:11 jophur kernel: [syscall_call+7/11] syscall_call+0x7/0xb
And here is another one I got a bit later:
Sep 11 11:38:02 jophur kernel: Badness in local_bh_enable at kernel/softirq.c:113
Sep 11 11:38:02 jophur kernel: Call Trace:
Sep 11 11:38:02 jophur kernel: [local_bh_enable+102/108] local_bh_enable+0x66/0x6c
Sep 11 11:38:02 jophur kernel: [__crc_sleep_on+3829875/4679624] ppp_sync_push+0x56/0x14c [ppp_synctty]
Sep 11 11:38:02 jophur kernel: [__crc_sleep_on+3828474/4679624] ppp_sync_wakeup+0x21/0x44 [ppp_synctty]
Sep 11 11:38:02 jophur kernel: [do_tty_hangup+901/1004] do_tty_hangup+0x385/0x3ec
Sep 11 11:38:02 jophur kernel: [release_dev+1420/1480] release_dev+0x58c/0x5c8
Sep 11 11:38:02 jophur kernel: [unmap_page_range+53/96] unmap_page_range+0x35/0x60
Sep 11 11:38:02 jophur kernel: [tty_release+33/84] tty_release+0x21/0x54
Sep 11 11:38:02 jophur kernel: [__fput+240/260] __fput+0xf0/0x104
Sep 11 11:38:02 jophur kernel: [filp_close+115/152] filp_close+0x73/0x98
Sep 11 11:38:02 jophur kernel: [put_files_struct+99/184] put_files_struct+0x63/0xb8
Sep 11 11:38:02 jophur kernel: [do_exit+268/940] do_exit+0x10c/0x3ac
Sep 11 11:38:02 jophur kernel: [do_group_exit+43/152] do_group_exit+0x2b/0x98
Sep 11 11:38:02 jophur kernel: [syscall_call+7/11] syscall_call+0x7/0xb
---------------------------------------
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Date: Sat, 8 Jan 2005 14:22:45 +0100
From: Christoph Hellwig <hch@lst.de>
To: 210468-done@bugs.debian.org
Subject: #210468: fixed upstream long ago
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