Re: [PATCH] x86/mm: don't apply va_align to hugetlb mappings on AMD F15h

[Laurent Wandrebeck]

On Sat, 2026-08-29 at 11:51 -0700, Borislav Petkov wrote:
> On Sat, Aug 29, 2026 at 08:15:40PM +0200, Laurent Wandrebeck wrote:
> > My homelab is indeed composed of 5 thinkcenter with a10-8770e, and
> > desktop has fx-8370e. Actually I hit that bug running 26.04/7.0 and
> > reproduced with 7.1, 7.2 so I dug a bit more and AI (I'm no kernel
> > hacker) proposed this patch. I'll happily test and report on
> > whatever
> > you'll propose if that one does not fit. SSH+sudo access is
> > possible too
> > if you want.
> 
> Thanks, just please do not send HTML mails and put your reply under
> the text
> you're referring to when you reply. Like I just did.
> 
> Thx.
> 

Sorry about, replied from my phone without thinking about it.
FYI, patched kernel has run a couple more days without any problem, and
I’m now running 7.3-rc1 with the same patch flawlessly.

[Tue Sep  1 06:55:41 2026] Kernel command line: BOOT_IMAGE=/vmlinuz-
7.3.0-rc1-hugetlbfix root=/dev/mapper/ubuntu--vg-ubuntu--lv ro
hugepagesz=1024M hugepages=7 mitigations=off crashkernel=2G-4G:320M,4G-
32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
[Tue Sep  1 06:55:42 2026] HugeTLB: registered 1.00 GiB page size, pre-
allocated 7 pages

Can I do anything else ?

Best,
-- 
Laurent Wandrebeck <l.wandrebeck@xxxxxxxxxxxxxxx>