From: Ivan Kokshaysky <ink@unseen.parts>
To: "Maciej W. Rozycki" <macro@orcam.me.uk>
Cc: Magnus Lindholm <linmag7@gmail.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
Michael Cree <mcree@orcon.net.nz>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
rcu@vger.kernel.org, linux-alpha@vger.kernel.org
Subject: Re: Kernel Oops on alpha with kernel version >=6.9.x
Date: Tue, 21 Jan 2025 14:39:12 +0100 [thread overview]
Message-ID: <Z4-jgMJgbVriLaCr@minute> (raw)
In-Reply-To: <alpine.DEB.2.21.2501201317060.27432@angie.orcam.me.uk>
On Mon, Jan 20, 2025 at 01:19:23PM +0000, Maciej W. Rozycki wrote:
> On Mon, 20 Jan 2025, Magnus Lindholm wrote:
>
> > 8-byte aligned. A quick-fix/workaround for this might be to avoid
> > using the __attribute__((__aligned__(x))) directive on
> > variables/structs declared on the stack in the kernel code (at least
> > for alpha), but to really get to the bottom of this, the kernel needs
> > to be fixed so that the kernel stack is in fact always 16-byte aligned
> > on alpha. This means that this bug is not really related to rcu or smp
> > but rather a mismatch between gcc and linux-alpha regarding psABI
> > compliance.
>
> Correct. Unless someone beats me to it, I'll work on a fix, but I'm busy
> with other stuff right now, so it may take a few weeks.
I'll look into that (I owe you for helping me with the binutils patch :)
Indeed, SP_OFF in entry.S is the main suspect at the moment.
Ivan.
next prev parent reply other threads:[~2025-01-21 13:39 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CA+=Fv5R9NG+1SHU9QV9hjmavycHKpnNyerQ=Ei90G98ukRcRJA@mail.gmail.com>
[not found] ` <f1561626-fde6-41c0-9d45-87a6a7b13816@paulmck-laptop>
[not found] ` <CA+=Fv5TMZ1bckob2VZ1AaNwdU3R+5a8REKg4aZR8novx7+dj-g@mail.gmail.com>
[not found] ` <8e365392-0e0d-4d78-bae7-69f27c8350f9@paulmck-laptop>
2024-12-04 22:22 ` Kernel Oops on alpha with kernel version >=6.9.x Magnus Lindholm
2024-12-05 15:39 ` John Paul Adrian Glaubitz
2024-12-05 17:02 ` Magnus Lindholm
2024-12-06 15:39 ` Magnus Lindholm
2024-12-06 17:05 ` John Paul Adrian Glaubitz
2024-12-07 12:33 ` Magnus Lindholm
2024-12-07 12:39 ` John Paul Adrian Glaubitz
2024-12-07 17:33 ` Magnus Lindholm
2024-12-07 18:38 ` John Paul Adrian Glaubitz
2024-12-08 9:43 ` Magnus Lindholm
2024-12-08 21:39 ` Magnus Lindholm
2024-12-08 23:18 ` Michael Cree
2024-12-08 23:31 ` John Paul Adrian Glaubitz
2024-12-09 8:11 ` Magnus Lindholm
2024-12-12 23:23 ` Magnus Lindholm
2024-12-09 8:05 ` Magnus Lindholm
2024-12-16 22:10 ` Michael Cree
2024-12-17 6:23 ` Magnus Lindholm
2024-12-18 19:33 ` Magnus Lindholm
2024-12-18 20:31 ` Paul E. McKenney
2024-12-18 21:54 ` Magnus Lindholm
2024-12-18 22:50 ` Paul E. McKenney
2024-12-19 22:38 ` Magnus Lindholm
2024-12-19 23:03 ` Paul E. McKenney
2024-12-20 0:00 ` Maciej W. Rozycki
2024-12-27 10:42 ` Magnus Lindholm
2024-12-27 11:48 ` John Paul Adrian Glaubitz
2024-12-27 16:30 ` Maciej W. Rozycki
2024-12-31 10:43 ` Magnus Lindholm
2025-01-12 23:25 ` Magnus Lindholm
2025-01-13 0:19 ` Maciej W. Rozycki
2025-01-13 3:08 ` Maciej W. Rozycki
2025-01-13 5:59 ` Magnus Lindholm
2025-01-13 8:04 ` Maciej W. Rozycki
2025-01-13 16:52 ` Magnus Lindholm
2025-01-20 13:01 ` Magnus Lindholm
2025-01-20 13:19 ` Maciej W. Rozycki
2025-01-21 13:39 ` Ivan Kokshaysky [this message]
2025-01-23 18:36 ` Ivan Kokshaysky
2025-01-23 23:00 ` Magnus Lindholm
2025-01-23 23:51 ` Michael Cree
2025-01-23 23:57 ` Maciej W. Rozycki
2025-01-24 6:06 ` Magnus Lindholm
2025-01-24 10:55 ` Ivan Kokshaysky
2025-01-24 16:57 ` Magnus Lindholm
2025-01-25 15:15 ` Ivan Kokshaysky
2025-01-25 17:01 ` Maciej W. Rozycki
2025-01-25 17:43 ` Ivan Kokshaysky
2025-01-25 18:25 ` Maciej W. Rozycki
2025-01-25 18:59 ` Maciej W. Rozycki
2025-01-25 19:48 ` Ivan Kokshaysky
2025-01-25 22:06 ` Maciej W. Rozycki
2025-01-25 23:02 ` Ivan Kokshaysky
2025-01-26 14:00 ` Ivan Kokshaysky
2025-01-26 19:15 ` Magnus Lindholm
2025-01-27 11:48 ` Ivan Kokshaysky
2025-01-27 11:56 ` John Paul Adrian Glaubitz
2025-01-25 18:07 ` Magnus Lindholm
2025-01-25 15:35 ` Maciej W. Rozycki
2025-01-25 17:09 ` Ivan Kokshaysky
2025-01-24 6:54 ` John Paul Adrian Glaubitz
2024-11-24 21:47 Magnus Lindholm
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