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Bug 740736 - media-libs/mesa-20.2.0_rc2 fails to build with internal compiler error
Summary: media-libs/mesa-20.2.0_rc2 fails to build with internal compiler error
Status: RESOLVED OBSOLETE
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: AMD64 Linux
: Normal normal (vote)
Assignee: Gentoo Toolchain Maintainers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-09-06 17:46 UTC by contactopublico57
Modified: 2020-09-30 19:58 UTC (History)
4 users (show)

See Also:
Package list:
Runtime testing required: ---


Attachments
build info in case the previous specific information did not come through (mesa_build.log,143.63 KB, text/x-log)
2020-09-09 16:59 UTC, contactopublico57
Details
full build log (mesa_build.log,143.63 KB, text/x-log)
2020-09-21 20:05 UTC, contactopublico57
Details
build log (media-libs_mesa-20.2.0_rc4.log.zip,72.96 KB, application/zip)
2020-09-23 20:03 UTC, contactopublico57
Details
mesa log with kernel 5.8.11 segfault (media-libs_mesa-20.2.0_rc4_kernel_5.8.11.log.zip,72.93 KB, application/zip)
2020-09-27 16:31 UTC, contactopublico57
Details

Note You need to log in before you can comment on or make changes to this bug.
Description contactopublico57 2020-09-06 17:46:18 UTC
mesa fails to build and install 

Reproducible: Always

Steps to Reproduce:
1.emerge mesa
2.compile and install fails
3.
Actual Results:  
mesa fails to build and install with 5.9 rc2

Expected Results:  
build and install

===
log
===
[32;01m * [39;49;00mPackage:    media-libs/mesa-20.2.0_rc2
[32;01m * [39;49;00mRepository: gentoo
[32;01m * [39;49;00mMaintainer: x11@gentoo.org
[32;01m * [39;49;00mUSE:        X abi_x86_64 amd64 classic dri3 egl elibc_glibc gallium gbm gles2 kernel_linux libglvnd llvm userland_GNU vaapi vdpau video_cards_i915 video_cards_i965 video_cards_intel wayland zstd
[32;01m * [39;49;00mFEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 [32;01m*[0m Determining the location of the kernel source code
 [32;01m*[0m Found kernel source directory:
 [32;01m*[0m     /usr/src/linux
 [32;01m*[0m Found sources for kernel version:
 [32;01m*[0m     5.9.0-rc1
 [32;01m*[0m Checking for suitable kernel configuration options...
[A[92C [34;01m[ [32;01mok[34;01m ][0m
 [32;01m*[0m Using python3.7 to build
>>> Unpacking source...
>>> Unpacking mesa-20.2.0-rc2.tar.xz to /var/tmp/portage/media-libs/mesa-20.2.0_rc2/work
>>> Source unpacked in /var/tmp/portage/media-libs/mesa-20.2.0_rc2/work
>>> Preparing source in /var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2 ...

--snip--

ninja: build stopped: subcommand failed.
 [31;01m*[0m ERROR: media-libs/mesa-20.2.0_rc2::gentoo failed (compile phase):
 [31;01m*[0m   ninja -v -j2 -l0 -C /var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2-abi_x86_64.amd64 failed
 [31;01m*[0m 
 [31;01m*[0m Call stack:
 [31;01m*[0m     ebuild.sh, line  125:  Called src_compile
 [31;01m*[0m   environment, line 4117:  Called multilib-minimal_src_compile
 [31;01m*[0m   environment, line 2791:  Called multilib_foreach_abi 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line 3041:  Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line 2726:  Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line 2724:  Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line  938:  Called multilib-minimal_abi_src_compile
 [31;01m*[0m   environment, line 2785:  Called multilib_src_compile
 [31;01m*[0m   environment, line 3261:  Called meson_src_compile
 [31;01m*[0m   environment, line 2613:  Called eninja '-C' '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2-abi_x86_64.amd64'
 [31;01m*[0m   environment, line 1771:  Called die
 [31;01m*[0m The specific snippet of code:
 [31;01m*[0m       "$@" || die "${nonfatal_args[@]}" "${*} failed"
 [31;01m*[0m 
 [31;01m*[0m If you need support, post the output of `emerge --info '=media-libs/mesa-20.2.0_rc2::gentoo'`,
 [31;01m*[0m the complete build log and the output of `emerge -pqv '=media-libs/mesa-20.2.0_rc2::gentoo'`.
 [31;01m*[0m The complete build log is located at '/usr/portage/logs/media-libs:mesa-20.2.0_rc2:20200825-225356.log'.
 [31;01m*[0m For convenience, a symlink to the build log is located at '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/temp/build.log'.
 [31;01m*[0m The ebuild environment file is located at '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/temp/environment'.
 [31;01m*[0m Working directory: '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2-abi_x86_64.amd64'
 [31;01m*[0m S: '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2'
================================
emerge --info '=media-libs/mesa-20.2.0_rc2::gentoo'
================================
Portage 3.0.4 (python 3.7.9-final-0, default/linux/amd64/17.1/systemd, gcc-10.1.0, glibc-2.32, 5.9.0-rc1 x86_64)
=================================================================
                         System Settings
=================================================================
System uname: Linux-5.9.0-rc1-x86_64-with-gentoo-2.7
KiB Mem:     3911820 total,   1703520 free
KiB Swap:    2097144 total,   2095352 free
Timestamp of repository gentoo: Tue, 25 Aug 2020 00:45:01 +0000
Head commit of repository gentoo: bd6fd73dc3d7679d1f599a730a713ac19c8285c1
sh bash 5.0_p18
ld GNU ld (Gentoo 2.34 p6) 2.34.0
app-shells/bash:          5.0_p18::gentoo
dev-lang/perl:            5.30.3-r1::gentoo
dev-lang/python:          2.7.18-r1::gentoo, 3.7.9::gentoo
dev-util/cmake:           3.18.1::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.7::gentoo
sys-apps/sandbox:         2.20::gentoo
sys-devel/autoconf:       2.13-r1::gentoo, 2.69-r5::gentoo
sys-devel/automake:       1.16.2::gentoo
sys-devel/binutils:       2.34-r2::gentoo
sys-devel/gcc:            10.1.0-r2::gentoo
sys-devel/gcc-config:     2.3.1::gentoo
sys-devel/libtool:        2.4.6-r6::gentoo
sys-devel/make:           4.3::gentoo
sys-kernel/linux-headers: 5.8::gentoo (virtual/os-headers)
sys-libs/glibc:           2.32::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-extra-opts: 
    sync-rsync-verify-max-age: 24
    sync-rsync-verify-jobs: 1
    sync-rsync-verify-metamanifest: no

overlay
    location: /usr/local/portage/overlay
    masters: gentoo
    priority: 0

ssnb
    location: /var/lib/layman/ssnb
    sync-type: laymansync
    sync-uri: https://anongit.gentoo.org/git/repo/user/ssnb.git
    masters: gentoo
    priority: 50

ACCEPT_KEYWORDS="amd64 ~amd64 ~x86"
ACCEPT_LICENSE="@FREE @BINARY-REDISTRIBUTABLE"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-march=native -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs candy config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news nodoc parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://distfiles.gentoo.org http://www.ibiblio.org/pub/Linux/distributions/gentoo"
LANG="en_US.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS="en"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_BINHOST="http://packages.gentooexperimental.org/packages/amd64-unstable/"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="(-selinux) X a52 aac accessibility acl alsa alsa_pcm_plugins_adpcm alsa_pcm_plugins_alaw alsa_pcm_plugins_asym alsa_pcm_plugins_copy alsa_pcm_plugins_dmix alsa_pcm_plugins_dshare alsa_pcm_plugins_dsnoop alsa_pcm_plugins_empty alsa_pcm_plugins_extplug alsa_pcm_plugins_file alsa_pcm_plugins_hooks alsa_pcm_plugins_iec958 alsa_pcm_plugins_ioplug alsa_pcm_plugins_ladspa alsa_pcm_plugins_lfloat alsa_pcm_plugins_linear alsa_pcm_plugins_meter alsa_pcm_plugins_mmap_emul alsa_pcm_plugins_mulaw alsa_pcm_plugins_multi alsa_pcm_plugins_null alsa_pcm_plugins_plug alsa_pcm_plugins_rate alsa_pcm_plugins_route alsa_pcm_plugins_share alsa_pcm_plugins_shm alsa_pcm_plugins_softvol amd64 aom apparmor argon2 audit berkdb branding build bzip2 cdda cli crypt cryptsetup curl dbus dri dts dv dvb dvd dynamic elfutils example fbcon fbcondecor ffmpeg flac fortran gdbm gif gimp gnuefi gstreamer gtk gtk3 http iconv idn importd introspection ipv6 jack jpeg kdbus kmod lame lcms libass libglvnd libidn2 libnotify libtirpc libvisual livecd loop-aes lz4 lz5 lzma matroska mms mmx mng modplug modules mp3 mp4 mpeg mpeg2 mpeg4pt2 multilib nat ncurses networkmanager nls nptl nptlonly ogg opengl openmp opus oss pam pax_kernel pcre png policykit portaudio pulseaudio qrcode qt5 readline resolvconf seccomp socks5 split-usr sse sse2 ssl systemd sysv-utils taglib tcpd theora tiff truetype udev unicode usb usrmerge v4l vaapi vala vanilla vcd vdpau vlc vorbis vpx wavpack x264 xattr xkb xml xvid zlib" ABI_X86="64" ADA_TARGET="gnat_2018" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx sse sse2 3dnow 3dnowext mmxext" CURL_SSL="nss idn" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="evdev keyboard mouse synaptics virtualbox mutouch vmmouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-2 php7-3" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_7" PYTHON_TARGETS="python3_7" RUBY_TARGETS="ruby25 ruby26 ruby27" USERLAND="GNU" VIDEO_CARDS="fbdev intel i915 i965" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
================================
emerge -pqv '=media-libs/mesa-20.2.0_rc2::gentoo'
================================
[ebuild     U ] media-libs/mesa-20.2.0_rc2 [20.1.5] USE="X classic dri3 egl gallium gbm gles2 (libglvnd) llvm vaapi vdpau wayland zstd -d3d9 -debug -gles1 -lm-sensors -opencl -osmesa (-selinux) -test -unwind -valgrind -vulkan -vulkan-overlay -xa -xvmc -zink%" ABI_X86="(64) -32 (-x32)" VIDEO_CARDS="i915 i965 intel (-freedreno) -iris (-lima) -nouveau (-panfrost) -r100 -r200 -r300 -r600 -radeon -radeonsi (-v3d) (-vc4) -virgl (-vivante) -vmware"
Comment 1 Jonas Stein gentoo-dev 2020-09-06 19:19:00 UTC
Thank you for the report. We need to have all information at hand before ticket assignment. That is why I ask you to 
* attach the logs and 
* attach the kernel config and
* paste the emerge info 
as described on https://wiki.gentoo.org/wiki/Attach_the_logs_to_the_bug_ticket
Please reopen this ticket (Status:UNCONFIRMED) afterwards.
Comment 2 contactopublico57 2020-09-09 16:59:57 UTC
Created attachment 659324 [details]
build info in case the previous specific information did not come through
Comment 3 contactopublico57 2020-09-21 20:05:37 UTC
Created attachment 661807 [details]
full build log

This failure to build continues with kernel 5.9-rc5

Note that I have attempted to supply all the information requested.

Reopened UNCONFIRMED.
Comment 4 Piotr Karbowski (RETIRED) gentoo-dev 2020-09-22 15:53:50 UTC
Your full build log is not full at all, have all the actual errors and build progress removed. Please attach real full build log.
Comment 5 contactopublico57 2020-09-23 20:03:31 UTC
Created attachment 662191 [details]
build log

please advise if this is not complete
Comment 6 Matt Turner gentoo-dev 2020-09-23 20:55:37 UTC
> ../mesa-20.2.0-rc4/src/gallium/drivers/softpipe/sp_tex_sample.c: In function ‘sample_compare’:
> ../mesa-20.2.0-rc4/src/gallium/drivers/softpipe/sp_tex_sample.c:3862:1: internal compiler error: Segmentation fault
>  3862 | }
>       | ^

Uh, the compiler is segfaulting. Does this really happen only with a particular kernel version? Is it reproduceable? Does it always happen in the same place?
Comment 7 contactopublico57 2020-09-24 18:23:13 UTC
This appears to be the same error/problem in the same place with 5.9-rc1, 5.9-rc2, and 5.9-rc5.  Do not recall any problem with 5.8 or earlier.

ninja: build stopped: subcommand failed.
 [31;01m*[0m ERROR: media-libs/mesa-20.2.0_rc2::gentoo failed (compile phase):
 [31;01m*[0m   ninja -v -j2 -l0 -C /var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2-abi_x86_64.amd64 failed
 [31;01m*[0m 
 [31;01m*[0m Call stack:
 [31;01m*[0m     ebuild.sh, line  125:  Called src_compile
 [31;01m*[0m   environment, line 4117:  Called multilib-minimal_src_compile
 [31;01m*[0m   environment, line 2791:  Called multilib_foreach_abi 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line 3041:  Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line 2726:  Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line 2724:  Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_compile'
 [31;01m*[0m   environment, line  938:  Called multilib-minimal_abi_src_compile
 [31;01m*[0m   environment, line 2785:  Called multilib_src_compile
 [31;01m*[0m   environment, line 3261:  Called meson_src_compile
 [31;01m*[0m   environment, line 2613:  Called eninja '-C' '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2-abi_x86_64.amd64'
 [31;01m*[0m   environment, line 1771:  Called die
 [31;01m*[0m The specific snippet of code:
 [31;01m*[0m       "$@" || die "${nonfatal_args[@]}" "${*} failed"
 [31;01m*[0m 
 [31;01m*[0m If you need support, post the output of `emerge --info '=media-libs/mesa-20.2.0_rc2::gentoo'`,
 [31;01m*[0m the complete build log and the output of `emerge -pqv '=media-libs/mesa-20.2.0_rc2::gentoo'`.
 [31;01m*[0m The complete build log is located at '/usr/portage/logs/media-libs:mesa-20.2.0_rc2:20200825-225356.log'.
 [31;01m*[0m For convenience, a symlink to the build log is located at '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/temp/build.log'.
 [31;01m*[0m The ebuild environment file is located at '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/temp/environment'.
 [31;01m*[0m Working directory: '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2-abi_x86_64.amd64'
 [31;01m*[0m S: '/var/tmp/portage/media-libs/mesa-20.2.0_rc2/work/mesa-20.2.0-rc2'
Comment 8 Matt Turner gentoo-dev 2020-09-24 19:04:19 UTC
Try with an older kernel.

What you pasted in comment #7 doesn't actually contain the error, so it's not clear to me if the same problem occurred.
Comment 9 contactopublico57 2020-09-24 21:17:22 UTC
5.9-rc1, rc2, rc5 fail

../mesa-20.2.0-rc4/src/gallium/drivers/softpipe/sp_tex_sample.c: In function ‘sample_compare’:
../mesa-20.2.0-rc4/src/gallium/drivers/softpipe/sp_tex_sample.c:3862:1: internal compiler error: Segmentation fault
 3862 | }
      | ^
Comment 10 contactopublico57 2020-09-25 17:09:30 UTC
Emerge also failed with ubuntu daily kernel build 5.9-rc6 as before:

during IPA pass: fnsummary
../mesa-20.2.0-rc4/src/gallium/drivers/softpipe/sp_tex_sample.c: In function ‘sample_compare’:
../mesa-20.2.0-rc4/src/gallium/drivers/softpipe/sp_tex_sample.c:3862:1: internal compiler error: Segmentation fault
 3862 | }
      | ^

--snip-- 

Mesa emerged with -gallium kernel flag:

USE="-gallium" sudo emerge mesa

>>> Verifying ebuild manifests

>>> Running pre-merge checks for media-libs/mesa-20.2.0_rc4
 * Ignoring USE=vaapi      since VIDEO_CARDS does not contain r600, radeonsi, or nouveau
 * Ignoring USE=vdpau      since VIDEO_CARDS does not contain r300, r600, radeonsi, or nouveau
 * Ignoring USE=llvm       since USE does not contain gallium
 * Ignoring USE=vaapi      since USE does not contain gallium
 * Ignoring USE=vdpau      since USE does not contain gallium

--snip--

sudo emerge mesa --info

Portage 3.0.8 (python 3.7.9-final-0, default/linux/amd64/17.1/systemd, gcc-10.1.0, glibc-2.32-r1, 5.9.0-rc5 x86_64)

System uname: Linux-5.9.0-rc5-x86_64-with-gentoo-2.7

--snip--

media-libs/mesa-20.2.0_rc4::gentoo was built with the following:
USE="X classic dri3 egl gbm gles2 (libglvnd) llvm vaapi vdpau wayland zstd -d3d9 -debug -gallium -gles1 -lm-sensors -opencl -osmesa (-selinux) -test -unwind -valgrind -vulkan -vulkan-overlay -xa -xvmc -zink" ABI_X86="(64) -32 (-x32)" VIDEO_CARDS="i915 i965 intel (-freedreno) -iris (-lima) -nouveau (-panfrost) -r100 -r200 -r300 -r600 -radeon -radeonsi (-v3d) (-vc4) -virgl (-vivante) -vmware"
FEATURES="sfperms binpkg-logs ebuild-locks preserve-libs usersync parallel-fetch usersandbox config-protect-if-modified fixlafiles news binpkg-docompress protect-owned nodoc ipc-sandbox unmerge-orphans pid-sandbox sandbox merge-sync candy xattr assume-digests unknown-features-warn userpriv qa-unresolved-soname-deps network-sandbox strict multilib-strict unmerge-logs binpkg-dostrip distlocks"
Comment 11 Matt Turner gentoo-dev 2020-09-25 18:11:28 UTC
Okay, again, can you try with an older kernel? Like v5.8? You've said that it fails on 5.9-rcX and that's a surprising statement because usually kernel upgrades don't cause compiler segfaults. So, please try v5.8 or older so that we can confirm or reject the hypothesis that this is somehow kernel related.
Comment 12 contactopublico57 2020-09-27 16:31:32 UTC
Created attachment 662680 [details]
mesa log with kernel 5.8.11 segfault
Comment 13 Matt Turner gentoo-dev 2020-09-27 18:47:05 UTC
Great, thank you.

As I suspected there's not a dependence on the kernel version.
Comment 14 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2020-09-27 19:55:52 UTC
Please follow https://wiki.gentoo.org/wiki/Gcc-ICE-reporting-guide.
Comment 15 contactopublico57 2020-09-30 16:50:54 UTC
gcc 9.3 compiles mesa without errors.

10.1 has now been superseded by 10.2 so there is no point in pursuing this matter with 10.1, now outdated.
Comment 16 Sergei Trofimovich (RETIRED) gentoo-dev 2020-09-30 17:57:16 UTC
(In reply to contactopublico57 from comment #15)
> gcc 9.3 compiles mesa without errors.
> 
> 10.1 has now been superseded by 10.2 so there is no point in pursuing this
> matter with 10.1, now outdated.

Does 10.2 work for you? Then feel free to close the bug as OBSOLETE.