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From: Andreas Dilger <adilger@sun.com>
To: Theodore Tso <tytso@mit.edu>, Mike Snitzer <snitzer@gmail.com>,
	Ingo Molnar <mingo@elte.hu>, Nicholas Miell <nmiell@comcast.net>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	jim
Subject: Re: source line numbers with x86_64 modules? [Was: Re: [patch] measurements, numbers about CONFIG_OPTIMIZE_INLINING=y impact]
Date: Sun, 11 Jan 2009 18:11:35 +0800	[thread overview]
Message-ID: <20090111101135.GA3306@webber.adilger.int> (raw)
In-Reply-To: <20090110211531.GD31579@mit.edu>

On Jan 10, 2009  16:15 -0500, Theodore Ts'o wrote:
> In my experience, there are very few kernel versions and hardware for
> which kdump works.  I've talked to the people who have to make kdump
> work, and every 12-18 months, with a new set of enterprise kernels
> comes out, they have to go and fix kdump so it works again for the set
> of hardware that they care about, and for the kernel version involved.

I'm sad that netconsole/netdump never made it big.  It was fairly useful,
and extending the eth drivers to add the polling mode was trivial to do.
We were using that for a few years, but it got replaced by kdump and it
appears to be less usable IMHO.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.


WARNING: multiple messages have this Message-ID (diff)
From: Andreas Dilger <adilger@sun.com>
To: Theodore Tso <tytso@mit.edu>, Mike Snitzer <snitzer@gmail.com>,
	Ingo Molnar <mingo@elte.hu>, Nicholas Miell <nmiell@comcast.net>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	jim owens <jowens@hp.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Chris Mason <chris.mason@oracle.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	paulmck@linux.vnet.ibm.com, Gregory Haskins <ghaskins@novell.com>,
	Matthew Wilcox <matthew@wil.cx>, Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Nick Piggin <npiggin@suse.de>,
	Peter Morreale <pmorreale@novell.com>,
	Sven Dietrich <SDietrich@novell.com>,
	sam@ravnborg.org, Dave Anderson <anderson@redhat.com>
Subject: Re: source line numbers with x86_64 modules? [Was: Re: [patch] measurements, numbers about CONFIG_OPTIMIZE_INLINING=y impact]
Date: Sun, 11 Jan 2009 18:11:35 +0800	[thread overview]
Message-ID: <20090111101135.GA3306@webber.adilger.int> (raw)
In-Reply-To: <20090110211531.GD31579@mit.edu>

On Jan 10, 2009  16:15 -0500, Theodore Ts'o wrote:
> In my experience, there are very few kernel versions and hardware for
> which kdump works.  I've talked to the people who have to make kdump
> work, and every 12-18 months, with a new set of enterprise kernels
> comes out, they have to go and fix kdump so it works again for the set
> of hardware that they care about, and for the kernel version involved.

I'm sad that netconsole/netdump never made it big.  It was fairly useful,
and extending the eth drivers to add the polling mode was trivial to do.
We were using that for a few years, but it got replaced by kdump and it
appears to be less usable IMHO.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.


  parent reply	other threads:[~2009-01-11 10:11 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-10 14:21 source line numbers with x86_64 modules? [Was: Re: [patch] measurements, numbers about CONFIG_OPTIMIZE_INLINING=y impact] Mike Snitzer
2009-01-10 15:34 ` Ingo Molnar
2009-01-10 18:21   ` Mike Snitzer
2009-01-10 21:15     ` Theodore Tso
2009-01-10 22:21       ` Andi Kleen
2009-01-10 22:21         ` Andi Kleen
2009-01-10 22:58         ` Linus Torvalds
2009-01-10 23:22           ` Ingo Molnar
2009-01-10 22:21       ` Andi Kleen
2009-01-11 10:11       ` Andreas Dilger
2009-01-11 10:11       ` Andreas Dilger [this message]
2009-01-11 10:11         ` Andreas Dilger
2009-01-11 15:31         ` Mike Snitzer
2009-01-11 15:31           ` Mike Snitzer
2009-01-11 20:45         ` Theodore Tso
2009-01-11  1:28     ` Ingo Molnar
2009-01-11  4:52       ` Mike Snitzer
2009-01-13  3:19         ` Eric W. Biederman
2009-01-13  3:19           ` Eric W. Biederman
2009-01-13  3:19           ` Eric W. Biederman
2009-01-11 18:05       ` Andi Kleen

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