linux-kernel - RE: Does 6.5 kernel require different userspace to 6.4 kernel?

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Message-ID: <8203b5a266964ca2a2238faf372a8229@AcuMS.aculab.com>
Date:   Wed, 13 Dec 2023 16:31:02 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Chris Rankin' <rankincj@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: RE: Does 6.5 kernel require different userspace to 6.4 kernel?

From: Chris Rankin
> Sent: 10 December 2023 19:08
> 
> I have a truly ancient i586/UP/32 bit PC (for historical reasons) that
> happily runs Linux 6.4.16. However, when I tried to upgrade it today
> to run Linux 6.5.13, I discovered that both its console and its
> networking froze almost immediately after it had booted. There is no
> sign of any oops in any of the logs. My first thought was that memory
> corruption had crashed the kernel, except that the SysRq interface
> still works correctly.

If you can run with a serial console you should be able to
get a traceback of all the kernel stacks.
That ought to be informative.

	David

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