linux-kernel - i386 WARNING: at kernel/softirq.c:143 _local_bh_enable

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Date:	Fri, 27 Aug 2010 22:04:10 +0200
From:	Arno Schuring <aelschuring@...mail.com>
To:	linux-kernel@...r.kernel.org
Subject: i386 WARNING: at kernel/softirq.c:143 _local_bh_enable_ip+0x2f/0x7e

Hello list,

[ if this is the wrong place, please redirect. Kerneloops and bugzilla
seem down atm, only other reference I found is this thread from
February: http://lkml.org/lkml/2010/2/25/454 ]


Testing current -git on my old desktop machine yields the following warning:

[   12.437090] WARNING: at kernel/softirq.c:143
_local_bh_enable_ip+0x2f/0x7e()
[   12.437094] Hardware name:
[   12.437097] Modules linked in: xfs exportfs w83627hf_wdt w83627hf
hwmon_vid dm_crypt dm_mod usbhid 8250_pnp 8250 hid processor pcspkr
i2c_sis96x serial_core evdev usb_storage rtc_cmos button rtc_core
rtc_lib ext4 jbd2 crc16 ohci_hcd ehci_hcd usbcore thermal thermal_sys
floppy nls_base sr_mod cdrom [last unloaded: scsi_wait_scan]
[   12.437148] Pid: 0, comm: swapper Not tainted 2.6.36-rc2+ #18
[   12.437152] Call Trace:
[   12.437167]  [<c1024fc1>] ? warn_slowpath_common+0x6a/0x7b
[   12.437172]  [<c102975a>] ? _local_bh_enable_ip+0x2f/0x7e
[   12.437178]  [<c1024fdf>] ? warn_slowpath_null+0xd/0x10
[   12.437183]  [<c102975a>] ? _local_bh_enable_ip+0x2f/0x7e
[   12.437191]  [<c125c782>] ? netpoll_rx+0x71/0x77
[   12.437195]  [<c125c796>] ? netif_rx+0xe/0xf7
[   12.437204]  [<c12207c3>] ? sis900_interrupt+0x1c7/0x4ab
[   12.437212]  [<c10580e7>] ? handle_IRQ_event+0x54/0x102
[   12.437218]  [<c1059985>] ? handle_fasteoi_irq+0x8c/0xdf
[   12.437223]  [<c10598f9>] ? handle_fasteoi_irq+0x0/0xdf
[   12.437226]  <IRQ>  [<c1003a3c>] ? do_IRQ+0x2b/0x7f
[   12.437237]  [<c1002ca9>] ? common_interrupt+0x29/0x30
[   12.437246]  [<c1007eba>] ? default_idle+0x39/0x4c
[   12.437250]  [<c1001b00>] ? cpu_idle+0x35/0xad
[   12.437258]  [<c14346c0>] ? start_kernel+0x274/0x277
[   12.437262] ---[ end trace d2278ae4badf238c ]---


Kernel version is current git (well, yesterday's):
aschuring@...inis:~/work/linux-GIT$ git describe HEAD
v2.6.36-rc2-237-gd4348c6

config, dmesg and output of lspci attached. I'm not subscribed, CC me if
you need more information.


Kind regards,
Arno

View attachment "softirq.config" of type "text/plain" (64025 bytes)

View attachment "softirq.dmesg" of type "text/plain" (35071 bytes)

View attachment "softirq.lspci" of type "text/plain" (7924 bytes)