Date: Sun, 17 Dec 2023 15:08:59 +0100 From: Jesper Schmitz Mouridsen <jsm@FreeBSD.org> To: Nuno Teixeira <eduardo@freebsd.org>, freebsd-arm@freebsd.org Subject: Re: firefox broken on arm64 Message-ID: <b57c44aa-2b5a-496f-9a5b-fa4303392518@FreeBSD.org> In-Reply-To: <CAFDf7U%2Bs-yNUSivER2wtOFqZ95ap8w8FH9k-A16dk4TDDb4NFg@mail.gmail.com> References: <9518dc38-e44b-42ae-bf87-6039ac278ac8@FreeBSD.org> <ddce2c12-c006-42d0-9441-306c89b91adb@FreeBSD.org> <ZWw-bSo4b1bKYxeF@int21h> <46c52d37-36ec-45fc-8098-1029996c717c@FreeBSD.org> <27c55e4e-21d2-44f7-9436-95fa1e5b4722@FreeBSD.org> <7daaaade-955d-4678-bec4-a34a196b27b7@FreeBSD.org> <CAFDf7U%2Bs-yNUSivER2wtOFqZ95ap8w8FH9k-A16dk4TDDb4NFg@mail.gmail.com>
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Also see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271081#c11 On 17.12.2023 13.21, Nuno Teixeira wrote: > Hello Jesper, > > I've applied your reversed patch and used makepatch into a ready to use > patch: > https://bugs.freebsd.org/bugzilla/attachment.cgi?id=247095 > <https://bugs.freebsd.org/bugzilla/attachment.cgi?id=247095>; > > thanks > > Jesper Schmitz Mouridsen <jsm@freebsd.org <mailto:jsm@freebsd.org>> > escreveu no dia sábado, 16/12/2023 à(s) 22:08: > > > > On 10.12.2023 14.08, Jesper Schmitz Mouridsen wrote: > > > > > > On 03.12.2023 11.59, Jesper Schmitz Mouridsen wrote: > >> > >> > >> On 03.12.2023 09.38, void wrote: > >>> On Sun, Dec 03, 2023 at 08:34:21AM +0100, Jesper Schmitz Mouridsen > >>> wrote: > >>>> > >>>> Just build firefox-esr-115.5.0_1,1 and firefox-116.0.3_1,2 the > >>>> first runs with aslr disabled, the latter signals 4. > >>>> > >>>> Any suggestions on what is going on are appreciated. > >>> > >>> What's the uname -aKU ? > >> > >> FreeBSD generic 14.0-RELEASE FreeBSD 14.0-RELEASE #0 > >> releng/14.0-n265380-f9716eee8ab4: Fri Nov 10 09:12:14 UTC 2023 > >> > root@releng1.nyi.freebsd.org:/usr/obj/usr/src/arm64.aarch64/sys/GENERIC arm64 1400097 1400097 > >> > >> did you build from ports or poudriere? > >> From ports. > >> > >> If the > >>> latter, what's the /etc/make.conf contain? > >>> > >>> Please post sysctl -a | grep aslr > >>> > >> > >> kern.elf32.aslr.shared_page: 0 > >> kern.elf32.aslr.stack: 1 > >> kern.elf32.aslr.honor_sbrk: 0 > >> kern.elf32.aslr.pie_enable: 0 > >> kern.elf32.aslr.enable: 0 > >> kern.elf64.aslr.shared_page: 1 > >> kern.elf64.aslr.stack: 1 > >> kern.elf64.aslr.honor_sbrk: 0 > >> kern.elf64.aslr.pie_enable: 1 > >> kern.elf64.aslr.enable: 1 > >> vm.aslr_restarts: 256 > >> > >> I did the esr build to test the build setup, since also the pkg > in the > >> official pkg repo behaves the same i.e the one before 115.5 since > >> 115.5 did not hit the pkg repo yet, which works without aslr > (set by > >> proccontrol) So unless 116 introduces something which requires > sysctl > >> changes for the building tool chain while building my test > should be > >> valid. > >> > >> Thanks > >> > >> /jsm > >> > >> > > Hi > > Just FYI > > I have managed to cross-compile firefox115-esr on amd64 to > aaarhc64 so > > that takes me ~20 min compute time to compile as opposed to 5-7 > hours on > > my arm boards... I think it broke somewhere between 115 and 116, > but now > > bisecting is doable to the extend the port patches allows. Can > someone > > btw tell me hove the libwebrtc patches are generated..? > > > I build and bisected with --disable-webrtc so I did not need the > patches > for that.. > It breaks here: > changeset: 743155:5c5cf716aa0b > user: Jan de Mooij <jdemooij@mozilla.com > <mailto:jdemooij@mozilla.com>> > date: Wed Jun 07 16:34:51 2023 +0000 > summary: Bug 1835876 part 2 - Disable code write protection in > content processes. r=nbp > > [root@freebsd2 /tmp3/bisect/mozilla-unified]# hg log -r 743154 > changeset: 743154:028f981600d7 > user: Jan de Mooij <jdemooij@mozilla.com > <mailto:jdemooij@mozilla.com>> > date: Wed Jun 07 16:34:51 2023 +0000 > summary: Bug 1835876 part 1 - Remove unused > ProtectionSetting::Protected. r=nbp > > Related to w^x.. I can only make it work by reverting the whole of the > two above commits... > (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271081#c7 > <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271081#c7>) Still > disabling aslr is required > /Jsm > > > > -- > Nuno Teixeira > FreeBSD Committer (ports)
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