apport information ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1575467/+attachment/4649084/+files/AlsaInfo.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1575467 Title: Ubuntu 16.04 consistently freezes up / hangs Status in linux package in Ubuntu: Confirmed Bug description: Not sure what package this is related to. My best guess is Unity, but i honestly have no idea. After upgrading from stock Ubuntu 14.04 to 16.04 on my Dell Inspiron laptop consistently freezes up and is unresponsive keyboard or mouse. The only way is to do a hard shutdown. I'm usually in a browser when this happens, and often watching a video or two. So i wonder if this has something to do with my memory buffer or something. It seems to happen more often in Google Chrome than Firefox, but it happens with both. I know Google Chrome uses more memory though. And it has happened at least once with no videos loaded, so i doubt it's some sort of weird flash issue. I haven’t observed it freeze / hang when I’m not in a browser, but that's mainly what i use my laptop for, so that's where most of my time is spent. I will try to upload any log files that people think may be useful. I will see if i can do the recommended ssh monitoring method while trying to reproduce it to see if i can see an error that way. Not sure if this hardware info helps: lspci reports: 00:00.0 Host bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register (rev 0e) 00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e) 00:13.0 SATA controller: Intel Corporation Atom Processor E3800 Series SATA AHCI Controller (rev 0e) 00:14.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx, Celeron N2000 Series USB xHCI (rev 0e) 00:1a.0 Encryption controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine (rev 0e) 00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e) 00:1c.0 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 1 (rev 0e) 00:1c.2 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 3 (rev 0e) 00:1f.0 ISA bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Power Control Unit (rev 0e) 00:1f.3 SMBus: Intel Corporation Atom Processor E3800 Series SMBus Controller (rev 0e) 03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01) andrew@andrew-Inspiron-3451:~$ sudo lshw andrew-inspiron-3451 description: Computer width: 64 bits capabilities: smbios-2.8 vsyscall32 *-core description: Motherboard physical id: 0 *-memory description: System memory physical id: 0 size: 3834MiB *-cpu product: Intel(R) Pentium(R) CPU N3540 @ 2.16GHz vendor: Intel Corp. physical id: 1 bus info: cpu@0 size: 909MHz capacity: 2665MHz width: 64 bits capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat cpufreq *-pci description: Host bridge product: Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 0e width: 32 bits clock: 33MHz configuration: driver=iosf_mbi_pci resources: irq:0 *-display description: VGA compatible controller product: Atom Processor Z36xxx/Z37xxx Series Graphics & Display vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 0e width: 32 bits clock: 33MHz capabilities: pm msi vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:89 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:f080(size=8) *-storage description: SATA controller product: Atom Processor E3800 Series SATA AHCI Controller vendor: Intel Corporation physical id: 13 bus info: pci@0000:00:13.0 version: 0e width: 32 bits clock: 66MHz capabilities: storage msi pm ahci_1.0 bus_master cap_list configuration: driver=ahci latency=0 resources: irq:88 ioport:f070(size=8) ioport:f060(size=4) ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) memory:d071c000-d071c7ff *-usb description: USB controller product: Atom Processor Z36xxx/Z37xxx, Celeron N2000 Series USB xHCI vendor: Intel Corporation physical id: 14 bus info: pci@0000:00:14.0 version: 0e width: 64 bits clock: 33MHz capabilities: pm msi xhci bus_master cap_list configuration: driver=xhci_hcd latency=0 resources: irq:87 memory:d0700000-d070ffff *-usbhost:0 product: xHCI Host Controller vendor: Linux 4.4.0-21-generic xhci-hcd physical id: 0 bus info: usb@2 logical name: usb2 version: 4.04 capabilities: usb-3.00 configuration: driver=hub slots=1 speed=5000Mbit/s *-usbhost:1 product: xHCI Host Controller vendor: Linux 4.4.0-21-generic xhci-hcd physical id: 1 bus info: usb@1 logical name: usb1 version: 4.04 capabilities: usb-2.00 configuration: driver=hub slots=6 speed=480Mbit/s *-usb:0 description: USB hub product: USB2.0 Hub vendor: Genesys Logic, Inc. physical id: 2 bus info: usb@1:2 version: 85.37 capabilities: usb-2.00 configuration: driver=hub maxpower=100mA slots=4 speed=480Mbit/s *-usb:0 description: Bluetooth wireless interface vendor: Atheros Communications, Inc. physical id: 1 bus info: usb@1:2.1 version: 0.02 capabilities: bluetooth usb-1.10 configuration: driver=btusb maxpower=100mA speed=12Mbit/s *-usb:1 description: Generic USB device product: USB2.0-CRW vendor: Generic physical id: 4 bus info: usb@1:2.4 version: 39.60 serial: 20100201396000000 capabilities: usb-2.00 configuration: driver=rtsx_usb maxpower=500mA speed=480Mbit/s *-usb:1 description: Video product: Integrated_Webcam_HD vendor: CN0CVRNR72487536B0CCA00 physical id: 4 bus info: usb@1:4 version: 40.31 serial: 200901010001 capabilities: usb-2.00 configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s *-generic description: Encryption controller product: Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 0e width: 32 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=mei_txe latency=0 resources: irq:90 memory:d0500000-d05fffff memory:d0400000-d04fffff *-multimedia description: Audio device product: Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 0e width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:91 memory:d0710000-d0713fff *-pci:0 description: PCI bridge product: Atom Processor E3800 Series PCI Express Root Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 0e width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:16 ioport:1000(size=4096) *-pci:1 description: PCI bridge product: Atom Processor E3800 Series PCI Express Root Port 3 vendor: Intel Corporation physical id: 1c.2 bus info: pci@0000:00:1c.2 version: 0e width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:18 memory:d0600000-d06fffff *-network description: Wireless interface product: QCA9565 / AR9565 Wireless Network Adapter vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:03:00.0 logical name: wlan0 version: 01 serial: 4c:bb:58:b9:91:9c width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=4.4.0-21-generic firmware=N/A ip=192.168.0.191 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn resources: irq:18 memory:d0600000-d067ffff memory:d0680000-d068ffff *-isa description: ISA bridge product: Atom Processor Z36xxx/Z37xxx Series Power Control Unit vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 0e width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: driver=lpc_ich latency=0 resources: irq:0 *-serial UNCLAIMED description: SMBus product: Atom Processor E3800 Series SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 0e width: 32 bits clock: 33MHz capabilities: pm cap_list configuration: latency=0 resources: memory:d0718000-d071801f ioport:f000(size=32) *-scsi physical id: 2 logical name: scsi0 capabilities: emulated *-disk description: ATA Disk product: Samsung SSD 850 physical id: 0.0.0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: 1B6Q serial: S21NNSAG517011W size: 232GiB (250GB) capabilities: gpt-1.00 partitioned partitioned:gpt configuration: ansiversion=5 guid=1d673a47-0fd4-4984-a16d-87fb187ee3ae logicalsectorsize=512 sectorsize=512 *-volume:0 description: Windows FAT volume vendor: mkfs.fat physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 logical name: /boot/efi version: FAT32 serial: dcee-496f size: 510MiB capacity: 511MiB capabilities: boot fat initialized configuration: FATs=2 filesystem=fat mount.fstype=vfat mount.options=rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro state=mounted *-volume:1 description: EXT4 volume vendor: Linux physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 logical name: / version: 1.0 serial: d01f07be-c906-4024-8eef-a58ba3935298 size: 228GiB capabilities: journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized configuration: created=2015-08-07 20:47:43 filesystem=ext4 lastmountpoint=/ modified=2016-04-26 21:34:02 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2016-04-26 21:34:02 state=mounted *-volume:2 description: Linux swap volume vendor: Linux physical id: 3 bus info: scsi@0:0.0.0,3 logical name: /dev/sda3 version: 1 serial: e8aaee7c-d956-4519-94f0-cf7aad745020 size: 3978MiB capacity: 3978MiB capabilities: nofs swap initialized configuration: filesystem=swap pagesize=4095 --- ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: andrew 1949 F.... pulseaudio DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=e8aaee7c-d956-4519-94f0-cf7aad745020 InstallationDate: Installed on 2015-08-08 (263 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) MachineType: Dell Inc. Inspiron 3451 Package: linux (not installed) ProcEnviron: LANGUAGE=en_US TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic.efi.signed root=UUID=d01f07be-c906-4024-8eef-a58ba3935298 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.4.0-21-generic N/A linux-backports-modules-4.4.0-21-generic N/A linux-firmware 1.157 Tags: xenial Uname: Linux 4.4.0-21-generic x86_64 UpgradeStatus: Upgraded to xenial on 2016-04-22 (4 days ago) UserGroups: _MarkForUpload: True dmi.bios.date: 12/05/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A00 dmi.board.name: 0H4MK6 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA00:bd12/05/2014:svnDellInc.:pnInspiron3451:pvrA00:rvnDellInc.:rn0H4MK6:rvrA00:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: Inspiron 3451 dmi.product.version: A00 dmi.sys.vendor: Dell Inc. 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