linux-kernel - Re: 2.6.18-rt5 crashes with netconsole enabled. (bug#7288)

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Message-ID: <9a8748490610081540t3d7dc7a3pce8cab496cd57340@mail.gmail.com>
Date:	Mon, 9 Oct 2006 00:40:52 +0200
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	"James Courtier-Dutton" <James@...erbug.co.uk>
Cc:	linux-kernel@...r.kernel.org, "Ingo Molnar" <mingo@...hat.com>
Subject: Re: 2.6.18-rt5 crashes with netconsole enabled. (bug#7288)

On 08/10/06, James Courtier-Dutton <James@...erbug.co.uk> 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 <jesper.juhl@...il.com>
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