Re: Still seeing Failed assertion: "p[i] == 0" on armv7 buildworld

Reply: Mark Millard : "Re: Still seeing Failed assertion: "p[i] == 0" on armv7 buildworld"
In reply to: Michal Meloun : "Re: Still seeing Failed assertion: "p[i] == 0" on armv7 buildworld"
Go to: [ bottom of page ] [ top of archives ] [ this month ]

From: Konstantin Belousov <kostikbel_at_gmail.com>
Date: Mon, 17 Nov 2025 02:03:50 UTC

On Sun, Nov 16, 2025 at 10:11:15PM +0100, Michal Meloun wrote:
> 
> 
> On 16.11.2025 18:51, Warner Losh wrote:
> > Maybe try main with the following patch. Adrian noticed the TLS
> > mismatch. I don't think it will matter, but TLS thread model stuff
> > always gives me a big headache. If the following fails to apply, just
> > copy the JEMALLOC_TLS_MODEL line from i386 to arm. The default changed
> > elsewhere, but this wasn't updated here.
> > 
> > Warner
> 
> Unfortunately, that doesn't help. I'm out of ideas on how to debug this, all
> of my attempts have failed.
> 
> The problem only occurs when Clang compiles a larger project and is
> intermediate. Attempt to compile the clang generated reproducer is always
> successful.
> It's clear that the parallelism introduced by make plays a significant role.
> But the system never reached an OOM condition before failure.

Is the problem reproducable on armv7 userspace running on arm64 kernel, or only
on native armv7 host?