Public bug reported: How to reproduce:
Copy some large files from local filesystem to CIFS mounted filesystem. After some gigabytes, it syslog will show "general protection fault" and mounted file system will become unresponsive. How often does it occur: Every time, after a few minutes or so. Affected kernels: Bionic 4.15.0-23-generic and forward. I also tried 4.15.18-041518-generic and 4.16.13-041613-generic from ubuntu archives an got similar GPF. 4.13.0-43-generic from ubuntu 17.10 not affected. More information: I have kerberos authenticated, autofs mounted, cifs Mounted with: type cifs (rw,relatime,vers=default,sec=krb5,cache=strict,username=root,uid=1100,forceuid,gid=0,noforcegid,addr=192.168.50.2,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=1048576,wsize=1048576,echo_interval=60,actimeo=1) ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-23-generic 4.15.0-23.25 ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18 Uname: Linux 4.15.0-23-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mbarlow 2249 F.... pulseaudio CurrentDesktop: GNOME Date: Sun Jun 17 23:14:02 2018 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-xenial-amd64-20160624-2 HibernationDevice: RESUME=UUID=25088f17-7123-46c8-bda4-362bcd9f986e InstallationDate: Installed on 2017-11-26 (203 days ago) InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47 Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0c45:670c Microdia Bus 001 Device 002: ID 0cf3:e300 Atheros Communications, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. XPS 13 9360 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-23-generic root=UUID=69170b9c-88cc-4e5b-83a8-c6a01d7b738b ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-23-generic N/A linux-backports-modules-4.15.0-23-generic N/A linux-firmware 1.173.1 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-04-27 (51 days ago) WifiSyslog: dmi.bios.date: 02/26/2018 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.6.2 dmi.board.name: 06CC14 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.6.2:bd02/26/2018:svnDellInc.:pnXPS139360:pvr:rvnDellInc.:rn06CC14:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.family: XPS dmi.product.name: XPS 13 9360 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic wayland-session ** Attachment added: "general protection fault" https://bugs.launchpad.net/bugs/1777364/+attachment/5153755/+files/gpf.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777364 Title: coping files to cifs mounted directory causes general protection fault To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777364/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
