Public bug reported: After updating to Firefox 21 I experience frequent freezes with just Gmail and on other tab loaded + 4 not loaded. Maybe it's because I'm upgrading a VirtualBox machine in the background, but upgrade started when I was using Firefox 20 and I didn't have any freezes.
stdout looks like this: $ firefox WARNING: waitpid failed pid:1644365536 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: waitpid failed pid:1644365536 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: Failed to deliver SIGKILL to 1644365536!(3).: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/chrome/common/process_watcher_posix_sigchld.cc, line 118 WARNING: waitpid failed pid:1974158048 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: waitpid failed pid:1974158048 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: Failed to deliver SIGKILL to 1974158048!(3).: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/chrome/common/process_watcher_posix_sigchld.cc, line 118 WARNING: waitpid failed pid:1974804960 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: waitpid failed pid:1974804960 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: Failed to deliver SIGKILL to 1974804960!(3).: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/chrome/common/process_watcher_posix_sigchld.cc, line 118 WARNING: waitpid failed pid:1539970528 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: waitpid failed pid:1539970528 errno:10: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/base/process_util_posix.cc, line 260 WARNING: Failed to deliver SIGKILL to 1539970528!(3).: file /build/buildd/firefox-21.0+build2/ipc/chromium/src/chrome/common/process_watcher_posix_sigchld.cc, line 118 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: firefox 21.0+build2-0ubuntu0.12.04.3 ProcVersionSignature: Ubuntu 3.2.0-41.66-generic-pae 3.2.42 Uname: Linux 3.2.0-41-generic-pae i686 NonfreeKernelModules: nvidia AddonCompatCheckDisabled: False AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.2 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: i 8721 F.... pulseaudio /dev/snd/controlC0: i 8721 F.... pulseaudio /dev/snd/pcmC0D0p: i 8721 F...m pulseaudio BuildID: 20130512194440 CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xfa200000 irq 52' Mixer name : 'Realtek ALC892' Components : 'HDA:10ec0892,14627681,00100302' Controls : 44 Simple ctrls : 21 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xfa080000 irq 17' Mixer name : 'Nvidia GPU 16 HDMI/DP' Components : 'HDA:10de0016,10de0101,00100100' Controls : 24 Simple ctrls : 4 Channel: Unavailable Date: Wed May 15 17:57:38 2013 DefaultProfileBrokenPermissions: .flagged (0644, wrong owner) DefaultProfilePrefSources: prefs.js [Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js [Profile]/extensions/{3d7eb24f-2740-49df-8937-200b1cc08f8a}/defaults/preferences/flashblock.js ForcedLayersAccel: False IfupdownConfig: auto lo iface lo inet loopback #auto lo IpRoute: default via 192.168.0.1 dev eth0 proto static 10.0.3.0/24 dev lxcbr0 proto kernel scope link src 10.0.3.1 169.254.0.0/16 dev eth0 scope link metric 1000 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.104 metric 1 MarkForUpload: True MostRecentCrashID: bp-b1641176-1726-45b1-a1e3-1ade62130304 Profile1BrokenPermissions: .flagged (0644, wrong owner) Profile1PrefSources: prefs.js Profiles: Profile0 (Default) - LastVersion=21.0/20130512194440 (In use) Profile1 - LastVersion=19.0/20130218103407 (Out of date) RfKill: RunningIncompatibleAddons: False SourcePackage: firefox SubmittedCrashIDs: bp-b1641176-1726-45b1-a1e3-1ade62130304 bp-1a91f60a-e054-45a6-8f05-77fd42130304 bp-b712e3bd-0b34-445d-80e3-685b62121215 bp-ef838a78-7d08-47b2-8d40-cca242121117 bp-2a30c0ae-6941-44a7-bde1-deffe2111012 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/02/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V1.9 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P67A-GD53 (MS-7681) dmi.board.vendor: MSI dmi.board.version: 1.0/2.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 1.0/2.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.9:bd03/02/2011:svnMSI:pnMS-7681:pvr1.0/2.0:rvnMSI:rnP67A-GD53(MS-7681):rvr1.0/2.0:cvnMSI:ct3:cvr1.0/2.0: dmi.product.name: MS-7681 dmi.product.version: 1.0/2.0 dmi.sys.vendor: MSI ** Affects: firefox (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug i386 precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1180425 Title: Firefox 21 freezes frequently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1180425/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs