Bugs still observed though not reported every time, including several times in July with kernel panic.
One thing noticed : the laptop has 4 USB ports. On the left two USB3 ports (blue colored with USB SuperSpeed logo). On the right two USB2 ports (black with regular USB2 logo). The problem happens when plugging devices on one of the USB3 ports. No problem happen when plugging the devices on one of the USB2 ports. Currently running on 3.5.0-36-generic #57-Ubuntu SMP Wed Jun 19 15:10:49 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux ** Changed in: linux (Ubuntu) Status: Expired => Incomplete ** Summary changed: - Kernel crash and oops since 3.5.0-24-generic (3.5.0-23 ok). + USB3 ports causes kernel crash and oops since 3.5.0-24-generic (3.5.0-23 ok), USB2 OK. ** Summary changed: - USB3 ports causes kernel crash and oops since 3.5.0-24-generic (3.5.0-23 ok), USB2 OK. + USB3 ports cause kernel crash and oops since 3.5.0-24-generic (3.5.0-23 ok), USB2 OK. -- 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/1132129 Title: USB3 ports cause kernel crash and oops since 3.5.0-24-generic (3.5.0-23 ok), USB2 OK. Status in “linux” package in Ubuntu: Incomplete Bug description: Summary: upgrading from 3.5.0-23 to 3.5.0-24 appears to reduce kernel stability suddenly from weeks/months to day or so. Context: Hardware Asus n55sf laptop. Plugging Galaxy Nexus phone via USB daily or so. Observed for months that sometimes USB breaks (e.g. optical mouse literally off, un/plug does nothing, reboot fixes), but no oops. Using suspend to ram regularly (~ daily). Typical uptime : weeks to 1-2 months. Using Ubuntu upgrades regularly. On 2013-02-01, upgraded to 3.5.0-23, no problem. On 2013-02-21, upgraded to 3.5.0-24. 1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu 12.10 AMD64 2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center LC_ALL=C apt-cache policy linux-image linux-image: Installed: (none) Candidate: 3.5.0.25.31 Version table: 3.5.0.25.31 0 500 http://fr.archive.ubuntu.com/ubuntu/ quantal-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ quantal-security/main amd64 Packages 3.5.0.17.19 0 500 http://fr.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages 3) What you expected to happen No oops, no crash. 4) What happened instead On 2013-02-22 (that is kernel update + 1 day), observed kernel panic: switch to text mode with panic report (but X mouse cursor still visible), led blinking. Text says : fatal exception interrupt. Action : taken photograph of screen (can join if useful), power cycle machine. On 2013-02-23 (that is kernel update + 2 days), observed kernel oops: switch to text mode with oops report, but X mouse cursor still visible and music still playing. Action : taken photograph on screen (can join if useful, but you have dmesg attached so probably not useful). Observed that vt-switching key combinations could restore display. Not rebooted system (using it to write this very report) but several features disabled (laptop-integrated card reader, USB mouse). Lsusb still reports in-laptop bluetooth device as present but bluetooth-sendto cannot detect Galaxy Nexus nearby when doing proper steps. Considered actions: * continue normal use to confirm / narrow oops circumstances * downgrade to 3.5.0-23 to confirm symptom disappear Thank you for your attention. $ lsusb Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 003 Device 002: ID 0b05:17a9 ASUSTek Computer, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 007: ID 0cf3:3005 Atheros Communications, Inc. AR3011 Bluetooth Bus 001 Device 004: ID 1bcf:2883 Sunplus Innovation Technology Inc. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: linux-image (not installed) ProcVersionSignature: Ubuntu 3.5.0-24.37-generic 3.5.7.4 Uname: Linux 3.5.0-24-generic x86_64 ApportVersion: 2.6.1-0ubuntu10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: stephane 2793 F.... xfce4-volumed stephane 2797 F.... pulseaudio stephane 2876 F.... xfce4-mixer-plu /dev/snd/pcmC0D0p: stephane 2797 F...m pulseaudio Date: Sat Feb 23 15:03:04 2013 HibernationDevice: RESUME=UUID=d05e8def-662d-4d3a-b3b3-4d9d2997966d InstallationDate: Installed on 2012-12-27 (58 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MachineType: ASUSTeK Computer Inc. N55SF MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-24-generic root=UUID=0ac65d3d-9ad8-4b02-8650-5df01d16640a ro quiet splash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory /home/stephane not ours. No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.5.0-24-generic N/A linux-backports-modules-3.5.0-24-generic N/A linux-firmware 1.95 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/29/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N55SF.207 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N55SF dmi.board.vendor: ASUSTeK Computer Inc. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK Computer Inc. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN55SF.207:bd08/29/2011:svnASUSTeKComputerInc.:pnN55SF:pvr1.0:rvnASUSTeKComputerInc.:rnN55SF:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0: dmi.product.name: N55SF dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK Computer Inc. 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