linux-kernel - Re: [Bugme-new] [Bug 9217] New: CONFIG

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Date:	Wed, 24 Oct 2007 19:57:17 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	linux-arm-kernel@...ts.arm.linux.org.uk,
	Russell King <rmk@....linux.org.uk>,
	Bill Gatliff <bgat@...lgatliff.com>
Cc:	bugme-daemon@...zilla.kernel.org, svs1957@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [Bugme-new] [Bug 9217] New: CONFIG_CMDLINE doesn't pass to
 kernel

On Wed, 24 Oct 2007 05:32:14 -0700 (PDT) bugme-daemon@...zilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=9217
> 
>            Summary: CONFIG_CMDLINE doesn't pass to kernel
>            Product: Other
>            Version: 2.5
>      KernelVersion: 2.6.23
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: high
>           Priority: P1
>          Component: Other
>         AssignedTo: other_other@...nel-bugs.osdl.org
>         ReportedBy: svs1957@...il.com
> 
> 
> Most recent kernel where this bug did not occur:2.6.24-rc1
> Distribution: Debian Armel (arm with EABI)
> Hardware Environment: Sharp Zaurus 750 (ARM pxa255)
> Software Environment: Debian
> Problem Description:
> I try to upgrade kernel from 2.6.22.9 to 2.6.23.
> 2.6.22.9 works correct. Kernel 2.6.23 doesn't use  CONFIG_CMDLINE and doesn't
> pass bootparams:
> CONFIG_CMDLINE="console=ttyS0,115200n8 console=tty1 noinitrd
> root=/dev/mmcblk0p1 rootfstype=ext3 rw rootdelay=5"
> But kernel still try to mount /dev/mtdblock2 using jffs2.
> Steps to reproduce:
> Compile kernel with CONFIG_CMDLINE and try to boot.
> 
> 

Something broke CONFIG_CMDLINE of ARM (at least) between 2.6.22 and 2.6.23.

I don't know whether it was an ARM patch one of those kernel-wide changes. 
We have futzed with the command-line parsing a bit recently, but the 2.6.23
changelog doesn't suggest anything obvious.

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