Re: [Bugme-new] [Bug 9217] New: CONFIG_CMDLINE doesn't pass tokernel

From: Andrew Morton
Date: Wed Oct 24 2007 - 23:00:49 EST


On Wed, 24 Oct 2007 05:32:14 -0700 (PDT) bugme-daemon@xxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxx
> ReportedBy: svs1957@xxxxxxxxx
>
>
> 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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