[Kernel-packages] [Bug 1767443] Re: regular hard lockup on bionic kernel

Here's /var/log/kern.log, just for grins. ** Attachment added: "kern.log" https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1767443/+attachment/5128706/+files/kern.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1767443] [NEW] regular hard lockup on bionic kernel

Public bug reported: Hi guys, I'm sorry I have no real information to add to this, but Serge encouraged me to file a bug to get you guys to help me to debug this, so blame him. I've been running the bionic kernels on a thinkpad X1 carbon 3rd generation for several months, and experiencing 2x

[Kernel-packages] [Bug 1638996] [NEW] apparmor's raw_data file in securityfs is sometimes truncated

Public bug reported: Hi, It looks like sometimes apparmor's securityfs output is sometimes truncated, root@zesty:/sys/kernel/security/apparmor/policy/namespaces/lxd-zest_/profiles/usr.lib.snapd.snap-confine.1# ls -al total 0 drwxr-xr-x 3 root root 0 Nov 3 16:45 . drwxr-xr-x 13 root root

[Kernel-packages] [Bug 1590069] Re: vDSO syscalls don't work on yakkety/master-next (and unstable/master)

I just tested this on: Linux vdso-test 4.6.0-9-generic #11-Ubuntu SMP Wed Jul 13 22:17:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux and it seems to be fixed, so I'll close this for now. ** Changed in: linux (Ubuntu Yakkety) Status: Triaged => Invalid -- You received this bug notification

[Kernel-packages] [Bug 1598285] [NEW] possible deadlock while using the cgroup freezer on a container with NFS-based workload

Public bug reported: Hi guys, For background: I'm running a container with an NFS filesystem bind mounted into it. The workload I'm running is iozone, a filesystem benchmarking tool. While running this workload, I attempt to freeze the container, which gets stuck in the FREEZING state. After a

[Kernel-packages] [Bug 1588056] Re: cgroupfs mounts can hang

** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- 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/1588056 Title: cgroupfs mounts can hang Status in

[Kernel-packages] [Bug 1588056] Re: cgroupfs mounts can hang

+1, these kernels work for me in my original application too, thanks Seth. -- 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/1588056 Title: cgroupfs mounts can hang Status in linux

[Kernel-packages] [Bug 1593874] [NEW] warning stack trace while playing with apparmor namespaces

Public bug reported: I'm not sure what exactly I was doing when this happened, but something fairly basic (creating containers, adding/removing profiles). Let me know if you need more than the trace and I can try and figure out how to reproduce. Jun 17 20:20:06 dev kernel: [13314.032676]

[Kernel-packages] [Bug 1590069] Re: vDSO syscalls don't work on yakkety/master-next (and unstable/master)

Hi Tim, I just tested this in a fresh yakkety VM using the daily cloud images and the kernel team PPA you mentioned and reproduced it with your program: ubuntu@yakkety:~$ strace ./tester execve("./tester", ["./tester"], [/* 17 vars */]) = 0 brk(NULL) =

[Kernel-packages] [Bug 1580355] Re: promote *_diag modules from linux-image-extra to linux-image

** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- 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/1580355 Title: promote *_diag modules from

Re: [Kernel-packages] [Bug 1590069] Re: vDSO syscalls don't work on yakkety/master-next (and unstable/master)

On Tue, Jun 07, 2016 at 05:23:58PM -, Tim Gardner wrote: > Tycho - I cannot reproduce this on bare metal running linux 4.6.0-7.8 > from ppa:canonical-kernel-team/ppa using Xenial user space. Lemme try > Yakkety user space. The kernel I used had a 4.6.0-8 version number, I assume because I'm

[Kernel-packages] [Bug 1590069] [NEW] vDSO syscalls don't work on yakkety/master-next (and unstable/master)

Public bug reported: Hi guys, I'm having a problem where vDSO syscalls don't work on yakkety-next: dev:~ uname -a Linux dev 4.6.0-8-generic #9 SMP Mon Jun 6 14:21:30 MDT 2016 x86_64 x86_64 x86_64 GNU/Linux dev:~ cat tester.c #include #include #include int main() { struct timeval

[Kernel-packages] [Bug 1590069] Re: vDSO syscalls don't work on yakkety/master-next (and unstable/master)

A nice canary for this is that there's no .dynamic section in vdso.so: $ readelf --program-headers arch/x86/entry/vdso/vdso64.so Elf file type is EXEC (Executable file) Entry point 0x600 There are 4 program headers, starting at offset 64 Program Headers: Type Offset

[Kernel-packages] [Bug 1588056] Re: cgroupfs mounts can hang

Yep, this works for me (both checkpoint and restore of containers under this build, and also the original use case that caused me to find the bug). Thanks, Seth! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1588056] Re: cgroupfs mounts can hang

Note that this doesn't happen on linux-next, whose HEAD is, commit e98f2ba41687651055312e0ae617604dd6f7f200 Author: Stephen Rothwell Date: Wed Jun 1 13:08:58 2016 +1000 Add linux-next specific files for 20160601 Signed-off-by: Stephen Rothwell

[Kernel-packages] [Bug 1588056] [NEW] cgroupfs mounts can hang

Public bug reported: Consider the following, root@dev:/tmp# mkdir foo root@dev:/tmp# mount -t cgroup -o none,name=foo none foo root@dev:/tmp# mkdir -p foo/bad root@dev:/tmp# umount -l foo root@dev:/tmp# mount -t cgroup -o none,name=foo none foo # hangs forever ^C root@dev:/tmp# uname -a Linux

[Kernel-packages] [Bug 1580355] [NEW] promote *_diag modules from linux-image-extra to linux-image

Public bug reported: Hi, For checkpoint restore support via CRIU, we need to use the following modules: udp_diag tcp_diag inet_diag netlink_diag af_packet_diag unix_diag some of which aren't included in linux-image, requiring users to install linux-image-extra. It would be handy if these were

[Kernel-packages] [Bug 1572316] [NEW] oops when propagating mounts into containers

Public bug reported: If I use LXD on xenial with a configuration that does something like: (/nfs in my case is an nfs mount, but based on the kernel code in question anything is probably okay): devices: bind: type: disk source: /nfs path: /nfs recursive: "true" and then start

[Kernel-packages] [Bug 1570906] Re: sysfs mount failure during stateful lxd snapshots

I can confirm that the kernels at http://kernel.ubuntu.com/~sforshee/lp1570906/ work for me. Thanks, Seth! -- 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/1570906 Title: sysfs mount

[Kernel-packages] [Bug 1563921] Re: Unable to migrate container

** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- 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/1563921 Title: Unable to migrate container Status in criu

[Kernel-packages] [Bug 1297316] Re: kexec doesn't load multiboot images

Just to update, it looks like this is failing because booting a non-elf multiboot image is not yet supported by kexec. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1297316 Title: