linux-kernel - Re: [Bug #11355] Regression in 2.6.27-rc2 when cross-building the kernel

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Date:	Sun, 24 Aug 2008 23:34:04 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Kernel Testers List <kernel-testers@...r.kernel.org>,
	"Larry Finger" <Larry.Finger@...inger.net>,
	Sam Ravnborg <sam@...nborg.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [Bug #11355] Regression in 2.6.27-rc2 when cross-building the kernel

On Saturday, 23 of August 2008, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of recent regressions.
> 
> The following bug entry is on the current list of known regressions
> from 2.6.26.  Please verify if it still should be listed and let me know
> (either way).
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=11355
> Subject		: Regression in 2.6.27-rc2 when cross-building the kernel
> Submitter	: Larry Finger <Larry.Finger@...inger.net>
> Date		: 2008-08-16 2:38 (8 days old)
> References	: http://marc.info/?l=linux-kernel&m=121885432118368&w=4

As I wrote in the Bugzilla, I'm seeing a related problem.

Namely, I build kernels on one box, with 'make O=<target>', then I mount
<target> on another one over NFS, 'cd' to it and try to install the kernel
modules with 'make modules_install'.  This results in 'HOSTCC firmware/ihex2fw'
and 'fatal error: ...: Read-only file system'.  It's readily reproducible.

Commenting out line 1130 of Makefile
("$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst")
obviously helps, so it looks like Makefile.fwinst needs fixing.

Thanks,
Rafael
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