SB1250 locking up in init on current 2.6.16 kernel

To:	linux-mips@linux-mips.org
Subject:	SB1250 locking up in init on current 2.6.16 kernel
From:	Larry Stefani <lstefani@yahoo.com>
Date:	Mon, 24 Mar 2008 07:00:15 -0700 (PDT)
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Hi,

I've been trying to upgrade from 2.6.16.18 to
2.6.16.60, but am seeing a hard lockup right before
"INIT: version 2.78 booting" on my SB1250-based board.

I found a related discussion on the Debian mailing
list:

http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/b7159ee25106c7f9

However, after applying Thiemo's patch to mark pages
tainted by PIO IDE as dirty, the lockup still occurs.

I narrowed the file changes to

     arch/mips/mm/c-sb1.c
     arch/mips/mm/cache.c
     arch/mips/mm/init.c
     include/asm-mips/cache-flush.h
     include/asm-mips/page.h

between 2.6.16.27 and 2.6.16.29.  There was no
2.6.16.28 tarball posted on linux-mips.org, so I
basically brought .27 to .29 until I found the
offending files.

Is anyone running a 2.6.16 kernel (after 2.6.16.27) on
a SB1250-based board?

Thanks,
Larry Stefani
lstefani@yahoo.com


      
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