linux-kernel - Re: [BUG] 2.6.26-rc5-mm3 kernel BUG at mm/filemap.c:575!

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Date:	Fri, 13 Jun 2008 00:18:43 -0400
From:	Valdis.Kletnieks@...edu
To:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	linux-mm@...ck.org, Nick Piggin <npiggin@...e.de>,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: [BUG] 2.6.26-rc5-mm3 kernel BUG at mm/filemap.c:575!

On Thu, 12 Jun 2008 14:14:21 +0530, Kamalesh Babulal said:
> Hi Andrew,
> 
> 2.6.26-rc5-mm3 kernel panics while booting up on the x86_64
> machine. Sorry the console is bit overwritten for the first few lines.

> no fstab.kernel BUG at mm/filemap.c:575!

For whatever it's worth, I'm seeing the same thing on my x86_64 laptop.
-rc5-mm2 works OK, I'm going to try to bisect it tonight.

% diff -u /usr/src/linux-2.6.26-rc5-mm[23]/.config
--- /usr/src/linux-2.6.26-rc5-mm2/.config       2008-06-10 22:21:13.000000000 -0400
+++ /usr/src/linux-2.6.26-rc5-mm3/.config       2008-06-12 22:20:25.000000000 -0400
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc5-mm2
-# Tue Jun 10 22:21:13 2008
+# Linux kernel version: 2.6.26-rc5-mm3
+# Thu Jun 12 22:20:25 2008
 #
 CONFIG_64BIT=y
 # CONFIG_X86_32 is not set
@@ -275,7 +275,7 @@
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
 CONFIG_VIRT_TO_BUS=y
-# CONFIG_NORECLAIM_LRU is not set
+CONFIG_UNEVICTABLE_LRU=y
 CONFIG_MTRR=y
 CONFIG_MTRR_SANITIZER=y
 CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0

Not much changed there...


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