Sometimes if I open some URLs, Firefox became crash with "Illegal instruction" message. After that on next browser launch if I select "Restore previous session" firefox crashes more and more until I select "Start new session".
Created attachment 190164 [details] My emerge --info Portage 2.1.6.7 (default/linux/amd64/2008.0, gcc-4.3.2, glibc-2.8_p20080602-r1, 2.6.28-gentoo-r5 x86_64) ================================================================= System uname: Linux-2.6.28-gentoo-r5-x86_64-AMD_Athlon-tm-_64_Processor_3000+-with-gentoo-1.12.11.1 Timestamp of tree: Thu, 30 Apr 2009 03:45:02 +0000 distcc 3.0 x86_64-pc-linux-gnu [disabled] ccache version 2.4 [disabled] app-shells/bash: 3.2_p39 dev-java/java-config: 1.3.7-r1, 2.1.7 dev-lang/python: 2.4.4-r14, 2.5.4-r2, 2.6.2 dev-python/pycrypto: 2.0.1-r6 dev-util/ccache: 2.4-r7 dev-util/cmake: 2.6.3-r1 sys-apps/baselayout: 1.12.11.1 sys-apps/sandbox: 1.9 sys-devel/autoconf: 2.13, 2.63 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.2 sys-devel/binutils: 2.18-r3 sys-devel/gcc-config: 1.4.0-r4 sys-devel/libtool: 1.5.26 virtual/os-headers: 2.6.27-r2 ACCEPT_KEYWORDS="amd64" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=k8 -O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/config" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/splash /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c /etc/udev/rules.d" CXXFLAGS="-march=k8 -O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="collision-protect distlocks fixpackages parallel-fetch protect-owned sandbox sfperms strict unmerge-orphans userfetch" GENTOO_MIRRORS="ftp://mirror.yandex.ru/gentoo-distfiles/ ftp://gentoo.arcticnetwork.ca/pub/gentoo/ http://gentoo.arcticnetwork.ca/ ftp://mirrors.tera-byte.com/pub/gentoo http://gentoo.mirrors.tera-byte.com/ http://gentoo.osuosl.org/ ftp://distro.ibiblio.org/pub/linux/distributions/gentoo/ http://distro.ibiblio.org/pub/linux/distributions/gentoo/ ftp://ftp.gtlib.gatech.edu/pub/gentoo http://www.gtlib.gatech.edu/pub/gentoo " LANG="ru_RU.UTF-8" LC_ALL="" LDFLAGS="-Wl,-O1" LINGUAS="en ru" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/portage/local/layman/initng /usr/portage/local/layman/voip /usr/portage/local/layman/games /usr/portage/local/layman/science /usr/local/portage /usr/i686-mingw32/usr/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="acl alsa amd64 bash-completion berkdb bzip2 cli cracklib crypt cups dri esd firefox fortran gdbm gnome gpm gtk iconv ipv6 isdnlog midi mmx mudflap multilib ncurses nls nptl nptlonly opengl openmp pam pcre perl pppd python qt readline reflection samba sdl session spl sse sse2 ssh ssl sysfs tcpd unicode v4l v4l2 xorg xulrunner zlib" 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" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic auth_digest authn_anon authn_dbd authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock dbd deflate dir disk_cache env expires ext_filter file_cache filter headers ident imagemap include info log_config logio mem_cache mime mime_magic negotiation proxy proxy_ajp proxy_balancer proxy_connect proxy_http rewrite setenvif so speling status unique_id userdir usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en ru" USERLAND="GNU" VIDEO_CARDS="nv" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS, INSTALL_MASK, MAKEOPTS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
some investigations shows that emerge -aC www-plugins/adobe-flash solves this problem. Do I have to move this bug report onto adobe-flash ? Best regards, Yuriy Rusinov.
Yeah, I noticed that Firefox started crashing a lot recently, and after doing some testing I found that Firefox crashes when I close a window that contains a tab with flash content. (Closing just the tab or navigating elsewhere is OK.) I'm pretty certain that this was not happening prior to 3.0.10 so I would leave it as a Firefox bug, although coincidentally, it seems that the latest version of Adobe Flash Player was released around the same time as 3.0.10.
Created attachment 196733 [details] emerge --info
Created attachment 196734 [details] emerge -epv mozilla-firefox
Created attachment 196735 [details] gdb firefox
same problem. I try * emerge -C adobe-flash * emerge cairo cairomm * rm -f /usr/lib64/nsbrowser/plugins/* * emerge -e world firefox crash with 'Illegal Instruction'
*** Bug 273718 has been marked as a duplicate of this bug. ***
As was discovered on bug 273718, this is due to the alpha-64-bit flash, the 32-bit flash + emul libs doesn't have the problem.
Okay, I just committed www-plugins/adobe-flash-10.0.22.87-r1 which does (for amd64 customers): By default it will install only the 64-bit plugin for non-multilib users, and both the 32-bit and 64-bit plugins for multilib users. For multilib users, this can be fine-tuned even more now, so you can decide to install just the 32-bit plugin, just the 64-bit plugin, or both. Furthermore, we also check for the 'lahf_lm' flag in /proc/cpuinfo. If this is not present, we do NOT allow installation of the 64-bit plugin, since we know this will cause illegal instruction crashes, thanks to the careful investigation done in bug 273718.
I'm using an Athlon 64 3000+ (socket 754) which lacks the lahf instruction and I've had this problem for months, but I never really understood what the problem was, until the latest ebuild update spelled it out for me (thanks for that!) Understanding the problem, it was relatively easy to hack together a workaround that works by trapping the illegal instruction signal and then emulating its effects. This can be implemented as a small dynamic library that is placed in the plugin directory (so it's loaded whenever the Flash plug-in is loaded) or forced to load by adding it to LD_PRELOAD. I have attached the source in the hope that it might be useful to other users. The downside of the current ebuild is that it prevents the 64-bit plugin from being installed through portage at all. Would you consider bundling my workaround for 64-bit users who lack the lafh instruction or at least change the error into a warning?
Created attachment 198602 [details] lahf emulation workaround
Created attachment 198604 [details] lahf emulation workaround
Wow, another excellent solution, thanks! www-plugins/adobe-flash-10.0.22.87-r2 released with this clever emulation fix Would everyone affected please turn your USE=64bit back on, test this out, and report back here?
(In reply to comment #14) > Wow, another excellent solution, thanks! > > www-plugins/adobe-flash-10.0.22.87-r2 released with this clever emulation fix > > Would everyone affected please turn your USE=64bit back on, test this out, and > report back here? > I switched back to 64 bit, checked several sites and everything seems to be working fine, no crashes with Firefox 3.0.11. My processor does not have lahf_lm: [/proc] cat cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 15 model name : AMD Athlon(tm) 64 Processor 3200+ stepping : 0 cpu MHz : 1000.000 cache size : 512 KB fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow rep_good bogomips : 1994.07 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp
(In reply to comment #14) > Wow, another excellent solution, thanks! > > www-plugins/adobe-flash-10.0.22.87-r2 released with this clever emulation fix > > Would everyone affected please turn your USE=64bit back on, test this out, and > report back here? > emerged with +64bit -32bit and firefox 3.5 and now flash works on every flash site I tried and no crash yet, nice fix, and great job on the Illegal instruction workaround. # cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 4 model name : AMD Athlon(tm) 64 Processor 3200+ stepping : 8 cpu MHz : 800.000 cache size : 1024 KB fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow up rep_good bogomips : 1679.74 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp George
The r2 ebuild works for fine for me. :-) Jim: thanks for the quick update!
FYI: I was having the specified issue. Just installed the update and ran some tests... problem resolved. Thanks to all for tracking down a relatively tricky issue!
WOW!!! Great job!! I've been messing around with this crash for months... I'm very glad this problem has been solved. Looking around i think that lahf_lm instruction isn't set in AMD 64 cpu family 15. Could anyone confirm this? Maybe we could consider this as a USE flag? Well this is only an idea... Thanks again to the people involved in solving this bug...
The lahf workaround works perfectly! I tried both adobe-flash-10.0.22.87 and adobe-flash-10.0.32.18, on my non-lahf AMD64 machine. Thanks everybody!
Thanks a lot, a week ago I updated portage and all works fine.
