2006-10-08 21:53:18

by James Courtier-Dutton

[permalink] [raw]
Subject: 2.6.18-rt5 crashes with netconsole enabled. (bug#7288)

Hi,

Does anyone have any clues where I can find help regarding the rt kernels?

Please see kernel bug entry:
http://bugzilla.kernel.org/show_bug.cgi?id=7288
Description: 2.6.18-rt5 crashes with netconsole enabled. (bug#7288)

Full console trace attached to bug report.
Extract of console trace of crash/hang:

modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:85
5/0x67
[<c012274d>] _call_console_drivers+0x4e/0x52
[<c0122d92>] release_console_sem+0x12a/0x1dc
[<c0122ac7>] vprintk+0x299/0x2e1
[<c0122b24>] printk+0x15/0x17
[<f8991090>] init_netconsole+0x75/0x80 [netconsole]
[<c013dbec>] sys_init_module+0x1597/0x175d
[<c0102f99>] sysenter_past_esp+0x56/0x79
modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:87
[<c0103f92>] show_trace+0x16/0x19
[<c0104583>] dump_stack+0x1a/0x1f
[<c01234aa>] __WARN_ON+0x41/0x57
[<f899112c>] write_msg+0x91/0xc9 [netconsole]
[<c01226ed>] __call_console_drivers+0x55/0x67
[<c012274d>] _call_console_drivers+0x4e/0x52
[<c0122d92>] release_console_sem+0x12a/0x1dc
[<c0122ac7>] vprintk+0x299/0x2e1
[<c0122b24>] printk+0x15/0x17
[<f8991090>] init_netconsole+0x75/0x80 [netconsole]
[<c013dbec>] sys_init_module+0x1597/0x175d
[<c0102f99>] sysenter_past_esp+0x56/0x79
modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:85
[<c0103f92>] show_trace+0x16/0x19
[<c0104583>] dump_stack+0x1a/0x1f
[<c01234aa>] __WARN_ON+0x41/0x57
[<f8991102>] write_msg+0x67/0xc9 [netconsole]
[<c01226ed>] __call_console_drivers+0x55/0x67
[<c012274d>] _call_console_drivers+0x4e/0x52
le+0x1597/0x175d
[<c0102f99>] sysenter_past_esp+0x56/0x79
modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:87


2006-10-08 22:40:54

by Jesper Juhl

[permalink] [raw]
Subject: Re: 2.6.18-rt5 crashes with netconsole enabled. (bug#7288)

On 08/10/06, James Courtier-Dutton <[email protected]> wrote:
> Hi,
>
> Does anyone have any clues where I can find help regarding the rt kernels?
>

You could start by adding Ingo Molnar to Cc: (added) since he's the
creator of the -rt kernels.


> Please see kernel bug entry:
> http://bugzilla.kernel.org/show_bug.cgi?id=7288
> Description: 2.6.18-rt5 crashes with netconsole enabled. (bug#7288)
>
> Full console trace attached to bug report.
> Extract of console trace of crash/hang:
>
> modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:85
> 5/0x67
> [<c012274d>] _call_console_drivers+0x4e/0x52
> [<c0122d92>] release_console_sem+0x12a/0x1dc
> [<c0122ac7>] vprintk+0x299/0x2e1
> [<c0122b24>] printk+0x15/0x17
> [<f8991090>] init_netconsole+0x75/0x80 [netconsole]
> [<c013dbec>] sys_init_module+0x1597/0x175d
> [<c0102f99>] sysenter_past_esp+0x56/0x79
> modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:87
> [<c0103f92>] show_trace+0x16/0x19
> [<c0104583>] dump_stack+0x1a/0x1f
> [<c01234aa>] __WARN_ON+0x41/0x57
> [<f899112c>] write_msg+0x91/0xc9 [netconsole]
> [<c01226ed>] __call_console_drivers+0x55/0x67
> [<c012274d>] _call_console_drivers+0x4e/0x52
> [<c0122d92>] release_console_sem+0x12a/0x1dc
> [<c0122ac7>] vprintk+0x299/0x2e1
> [<c0122b24>] printk+0x15/0x17
> [<f8991090>] init_netconsole+0x75/0x80 [netconsole]
> [<c013dbec>] sys_init_module+0x1597/0x175d
> [<c0102f99>] sysenter_past_esp+0x56/0x79
> modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:85
> [<c0103f92>] show_trace+0x16/0x19
> [<c0104583>] dump_stack+0x1a/0x1f
> [<c01234aa>] __WARN_ON+0x41/0x57
> [<f8991102>] write_msg+0x67/0xc9 [netconsole]
> [<c01226ed>] __call_console_drivers+0x55/0x67
> [<c012274d>] _call_console_drivers+0x4e/0x52
> le+0x1597/0x175d
> [<c0102f99>] sysenter_past_esp+0x56/0x79
> modprobe/8459[CPU#1]: BUG in write_msg at drivers/net/netconsole.c:87


--
Jesper Juhl <[email protected]>
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please http://www.expita.com/nomime.html