Hi Mark,

On Thu, Nov 06, 2025 at 01:28:35PM +0000, Mark Brown wrote:

On Tue, Nov 04, 2025 at 09:44:38AM +0100, Marek Szyprowski wrote:

quoted

On 03.11.2025 16:24, Mark Brown wrote:

quoted

On Tue, Oct 14, 2025 at 08:49:09AM +0200, Thomas Weißschuh wrote:

Copying in Ryan Roberts who's much more likely to have some idea about
memory management stuff for arm64 than I am (I have been poking at this
a bit but not got anywhere notable).  Not deleting context for his
benefit.

It turned out not even to be an mm problem.
Instead the data pages were not zeroed out on allocation.

Given that this issue is very disruptive to userspace it's causing us to
miss huge amounts of test coverage for -next, would it be possible to
drop these patches until we resolve the issue?

This issue and the observed panics should be fixed in v5 of the series:
https://lore.kernel.org/lkml/20251106-vdso-sparc64-generic-2-v5-0-97ff2b6542f7@linutronix.de/ (local)

I'll ping tglx directly.

(...)


Thomas