Addendum: I checked All the logs in Var/log and there was no record of what is happening that I could find. Also , I forgot to give system specs.
00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0 Capabilities: <access denied> Kernel driver in use: hsw_uncore 00:02.0 VGA compatible controller: Intel Corporation Device 041e (rev 06) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 47 Memory at f7800000 (64-bit, non-prefetchable) [size=4M] Memory at e0000000 (64-bit, prefetchable) [size=256M] I/O ports at f000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05) (prog-if 30 [XHCI]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0, IRQ 43 Memory at f7e00000 (64-bit, non-prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: xhci_hcd 00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 46 Memory at f7e1a000 (64-bit, non-prefetchable) [size=16] Capabilities: <access denied> Kernel driver in use: mei_me 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05) (prog-if 20 [EHCI]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0, IRQ 16 Memory at f7e18000 (32-bit, non-prefetchable) [size=1K] Capabilities: <access denied> Kernel driver in use: ehci-pci 00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 48 Memory at f7e10000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel 00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 00002000-00002fff Memory behind bridge: df200000-df3fffff Prefetchable memory behind bridge: 00000000df400000-00000000df5fffff Capabilities: <access denied> Kernel driver in use: pcieport 00:1c.5 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #6 (rev d5) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 Memory behind bridge: f7d00000-f7dfffff Capabilities: <access denied> Kernel driver in use: pcieport 00:1c.6 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #7 (rev d5) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000e000-0000efff Memory behind bridge: f7c00000-f7cfffff Prefetchable memory behind bridge: 00000000f0000000-00000000f00fffff Capabilities: <access denied> Kernel driver in use: pcieport 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05) (prog-if 20 [EHCI]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0, IRQ 23 Memory at f7e17000 (32-bit, non-prefetchable) [size=1K] Capabilities: <access denied> Kernel driver in use: ehci-pci 00:1f.0 ISA bridge: Intel Corporation H87 Express LPC Controller (rev 05) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0 Capabilities: <access denied> Kernel driver in use: lpc_ich 00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05) (prog-if 01 [AHCI 1.0]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 44 I/O ports at f0b0 [size=8] I/O ports at f0a0 [size=4] I/O ports at f090 [size=8] I/O ports at f080 [size=4] I/O ports at f060 [size=32] Memory at f7e16000 (32-bit, non-prefetchable) [size=2K] Capabilities: <access denied> Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05) Subsystem: Hewlett-Packard Company Device 2af7 Flags: medium devsel, IRQ 255 Memory at f7e15000 (64-bit, non-prefetchable) [size=256] I/O ports at f040 [size=32] 02:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) Subsystem: Hewlett-Packard Company AR9485/HB125 802.11bgn 1×1 Wi-Fi Adapter Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at f7d00000 (64-bit, non-prefetchable) [size=512K] Expansion ROM at f7d80000 [disabled] [size=64K] Capabilities: <access denied> Kernel driver in use: ath9k 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 45 I/O ports at e000 [size=256] Memory at f7c00000 (64-bit, non-prefetchable) [size=4K] Memory at f0000000 (64-bit, prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: r8169 stan@sum1:~$ clear stan@sum1:~$ sudo lspci -v [sudo] password for stan: 00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0 Capabilities: [e0] Vendor Specific Information: Len=0c <?> Kernel driver in use: hsw_uncore 00:02.0 VGA compatible controller: Intel Corporation Device 041e (rev 06) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 47 Memory at f7800000 (64-bit, non-prefetchable) [size=4M] Memory at e0000000 (64-bit, prefetchable) [size=256M] I/O ports at f000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05) (prog-if 30 [XHCI]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0, IRQ 43 Memory at f7e00000 (64-bit, non-prefetchable) [size=64K] Capabilities: [70] Power Management version 2 Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+ Kernel driver in use: xhci_hcd 00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 46 Memory at f7e1a000 (64-bit, non-prefetchable) [size=16] Capabilities: [50] Power Management version 3 Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+ Kernel driver in use: mei_me 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05) (prog-if 20 [EHCI]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0, IRQ 16 Memory at f7e18000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCI Advanced Features Kernel driver in use: ehci-pci 00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 48 Memory at f7e10000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: snd_hda_intel 00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 00002000-00002fff Memory behind bridge: df200000-df3fffff Prefetchable memory behind bridge: 00000000df400000-00000000df5fffff Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Hewlett-Packard Company Device 2af7 Capabilities: [a0] Power Management version 3 Kernel driver in use: pcieport 00:1c.5 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #6 (rev d5) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 Memory behind bridge: f7d00000-f7dfffff Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Hewlett-Packard Company Device 2af7 Capabilities: [a0] Power Management version 3 Kernel driver in use: pcieport 00:1c.6 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #7 (rev d5) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000e000-0000efff Memory behind bridge: f7c00000-f7cfffff Prefetchable memory behind bridge: 00000000f0000000-00000000f00fffff Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Hewlett-Packard Company Device 2af7 Capabilities: [a0] Power Management version 3 Kernel driver in use: pcieport 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05) (prog-if 20 [EHCI]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0, IRQ 23 Memory at f7e17000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCI Advanced Features Kernel driver in use: ehci-pci 00:1f.0 ISA bridge: Intel Corporation H87 Express LPC Controller (rev 05) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, medium devsel, latency 0 Capabilities: [e0] Vendor Specific Information: Len=0c <?> Kernel driver in use: lpc_ich 00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05) (prog-if 01 [AHCI 1.0]) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 44 I/O ports at f0b0 [size=8] I/O ports at f0a0 [size=4] I/O ports at f090 [size=8] I/O ports at f080 [size=4] I/O ports at f060 [size=32] Memory at f7e16000 (32-bit, non-prefetchable) [size=2K] Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [70] Power Management version 3 Capabilities: [a8] SATA HBA v1.0 Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05) Subsystem: Hewlett-Packard Company Device 2af7 Flags: medium devsel, IRQ 255 Memory at f7e15000 (64-bit, non-prefetchable) [size=256] I/O ports at f040 [size=32] 02:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01) Subsystem: Hewlett-Packard Company AR9485/HB125 802.11bgn 1×1 Wi-Fi Adapter Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at f7d00000 (64-bit, non-prefetchable) [size=512K] Expansion ROM at f7d80000 [disabled] [size=64K] Capabilities: [40] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+ Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00 Kernel driver in use: ath9k 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c) Subsystem: Hewlett-Packard Company Device 2af7 Flags: bus master, fast devsel, latency 0, IRQ 45 I/O ports at e000 [size=256] Memory at f7c00000 (64-bit, non-prefetchable) [size=4K] Memory at f0000000 (64-bit, prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [70] Express Endpoint, MSI 01 Capabilities: [b0] MSI-X: Enable- Count=4 Masked- Capabilities: [d0] Vital Product Data Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Capabilities: [160] Device Serial Number 01-00-00-00-68-4c-e0-00 Capabilities: [170] Latency Tolerance Reporting Kernel driver in use: r8169 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1318403 Title: Firefox continuously freezes and freezes the rest of the system (Ubuntu 14.04) Status in firefox package in Ubuntu: Confirmed Status in mozillateam-ppa package in Ubuntu: Confirmed Bug description: Important Update: The problem is solved when I erased .mozilla folder (locate in /home) and reopen firefox to recreate the folder '.mozilla'. Maybe a corrupt file or bad writing. Problem: Without opening Firefox, the computer works perfectly, but when you open and use Firefox starts the first freeze, and the whole system starts to become extremely slow. If I try to close Firefox and reopen it back, says there is an open process that I must close. In "No Add-ons mode" the same problem happens. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: firefox 30.0~b2+build1-0ubuntu0.14.04.2 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: juan 2032 F.... pulseaudio /dev/snd/controlC0: juan 2032 F.... pulseaudio BuildID: 20140508142553 Channel: Unavailable CurrentDesktop: Unity Date: Sun May 11 16:14:11 2014 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) InstallationDate: Installed on 2014-04-18 (22 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) IpRoute: default via 192.168.0.1 dev eth0 proto static 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.100 metric 1 IwConfig: eth0 no wireless extensions. lo no wireless extensions. Locales: extensions.sqlite corrupt or missing PrefSources: prefs.js Profiles: Profile0 (Default) - LastVersion=30.0/20140508142553 (In use) RelatedPackageVersions: rhythmbox-mozilla 3.0.2-0ubuntu2 totem-mozilla 3.10.1-1ubuntu4 RfKill: RunningIncompatibleAddons: False SourcePackage: firefox Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/21/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.20 dmi.board.name: H61M-VS dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.20:bd06/21/2011:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH61M-VS:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. 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