apport information ** Tags added: apport-collected
** Description changed: I'm building custom router based on Ubuntu Server. With bridging/routing enabled I've encountered kernel panic (several times in row with neither visible reason nor specific timings) in br_nf_pre_routing_finish_bridge with atl1c driver loaded. The bridge br0 consists of 1 port (eth0), which is the following network card: 05:00.0 Ethernet controller: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet (rev c0) It is driven by atl1c module. The network behind this card is NAT'ed. Kernel panic photo and lspci output are attached to this report. With different network card everything works OK. Extra info: pf@asgard:~$ uname -a Linux asgard 3.13.0-30-generic #54-Ubuntu SMP Mon Jun 9 22:45:01 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux pf@asgard:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS" + --- + AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-30-generic. + AplayDevices: Error: [Errno 2] No such file or directory + ApportVersion: 2.14.1-0ubuntu3.2 + Architecture: amd64 + ArecordDevices: Error: [Errno 2] No such file or directory + AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D2', '/dev/snd/hwC0D3', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: + CRDA: Error: [Errno 2] No such file or directory + Card0.Amixer.info: Error: [Errno 2] No such file or directory + Card0.Amixer.values: Error: [Errno 2] No such file or directory + DistroRelease: Ubuntu 14.04 + HibernationDevice: RESUME=/dev/mapper/system-swap + InstallationDate: Installed on 2014-06-20 (4 days ago) + InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2) + Lsusb: + Bus 002 Device 003: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business + Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub + Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + MachineType: Gigabyte Technology Co., Ltd. H61M-D2H + Package: linux (not installed) + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic root=/dev/mapper/system-root ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw + ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2 + RelatedPackageVersions: + linux-restricted-modules-3.13.0-30-generic N/A + linux-backports-modules-3.13.0-30-generic N/A + linux-firmware 1.127.3 + RfKill: Error: [Errno 2] No such file or directory + Tags: trusty + Uname: Linux 3.13.0-30-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 09/05/2011 + dmi.bios.vendor: Award Software International, Inc. + dmi.bios.version: F1 + dmi.board.name: H61M-D2H + dmi.board.vendor: Gigabyte Technology Co., Ltd. + dmi.chassis.type: 3 + dmi.chassis.vendor: Gigabyte Technology Co., Ltd. + dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF1:bd09/05/2011:svnGigabyteTechnologyCo.,Ltd.:pnH61M-D2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-D2H:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: + dmi.product.name: H61M-D2H + dmi.sys.vendor: Gigabyte Technology Co., Ltd. ** Attachment added: "AlsaDevices.txt" https://bugs.launchpad.net/bugs/1333913/+attachment/4138492/+files/AlsaDevices.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/1333913 Title: Kernel panics on br_nf_pre_routing_finish_bridge with atl1c driver Status in “linux” package in Ubuntu: Confirmed Bug description: I'm building custom router based on Ubuntu Server. With bridging/routing enabled I've encountered kernel panic (several times in row with neither visible reason nor specific timings) in br_nf_pre_routing_finish_bridge with atl1c driver loaded. The bridge br0 consists of 1 port (eth0), which is the following network card: 05:00.0 Ethernet controller: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet (rev c0) It is driven by atl1c module. The network behind this card is NAT'ed. Kernel panic photo and lspci output are attached to this report. With different network card everything works OK. Extra info: pf@asgard:~$ uname -a Linux asgard 3.13.0-30-generic #54-Ubuntu SMP Mon Jun 9 22:45:01 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux pf@asgard:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS" --- AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-30-generic. AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D2', '/dev/snd/hwC0D3', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Error: [Errno 2] No such file or directory Card0.Amixer.values: Error: [Errno 2] No such file or directory DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=/dev/mapper/system-swap InstallationDate: Installed on 2014-06-20 (4 days ago) InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2) Lsusb: Bus 002 Device 003: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Gigabyte Technology Co., Ltd. H61M-D2H Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic root=/dev/mapper/system-root ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2 RelatedPackageVersions: linux-restricted-modules-3.13.0-30-generic N/A linux-backports-modules-3.13.0-30-generic N/A linux-firmware 1.127.3 RfKill: Error: [Errno 2] No such file or directory Tags: trusty Uname: Linux 3.13.0-30-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/05/2011 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F1 dmi.board.name: H61M-D2H dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF1:bd09/05/2011:svnGigabyteTechnologyCo.,Ltd.:pnH61M-D2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-D2H:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: H61M-D2H dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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