Date: Sun, 23 Nov 2025 11:57:11 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Michal Meloun <mmel@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: mmap( MAP_ANON) is broken on current. (was Still seeing Failed assertion: "p[i] == 0" on armv7 buildworld) Message-ID: <aSLad1vqFJX27WmG@kib.kiev.ua> In-Reply-To: <9ef6253b-0f3a-4178-bfb2-65cc847ce652@freebsd.org> References: <603e75f8-7064-4fca-8520-282331c20ec0@freebsd.org> <aSHZiASbyd4rqPIV@kib.kiev.ua> <b94a8938-91e5-41da-9686-03a62ab0142f@freebsd.org> <aSHqezcjIEXHeaIf@kib.kiev.ua> <f3350539-8dca-4d95-810a-f76c7daa7b89@freebsd.org> <aSIEzLFD2Xv7GD_a@kib.kiev.ua> <9a864c53-0033-46d1-ad07-6b528115789f@freebsd.org> <aSIa1Xt47HHMyDQ1@kib.kiev.ua> <aSIf9zLhTMVcK5Sj@kib.kiev.ua> <9ef6253b-0f3a-4178-bfb2-65cc847ce652@freebsd.org>
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On Sat, Nov 22, 2025 at 11:07:41PM +0100, Michal Meloun wrote: > uff, we have winner. > All check passed. Thank you for the instrumental help. Patches are put for review at https://reviews.freebsd.org/D53891 . The problems are machine-independent, it is just that 32bit with more limited address space and disabled ASLR triggered coalescing more often (does not matter native 32bit kernel or 32bit userspace on native 64bit host). I do think that this deserves EN, but first it needs to be reviewed and merged to stable branches. I checked that the problems exist on stable/14 for sure, I did not looked at stable/13.home | help
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