[Kernel-packages] [Bug 1854968] Re: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x

2019-12-03 Thread Colin Ian King
And on an arm64 platform we have something similar: 15:55:45 DEBUG| [stdout] Number of CPUs: 4 15:55:45 DEBUG| [stdout] Number of CPUs Online: 4 15:55:45 DEBUG| [stdout] 15:55:45 DEBUG| [stdout] access STARTING 15:55:49 DEBUG| [stdout] [ 7016.776865] unregister_netdevice: waiting for eth0 to

[Kernel-packages] [Bug 1854968] [NEW] stress-ng sctp stressor breaks 5.4.0.7-8 on s390x

2019-12-03 Thread Colin Ian King
Public bug reported: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x during ADT regression testing: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac /autopkgtest-focal-canonical-kernel-team- unstable/focal/s390x/l/linux/20191203_153629_d7a41@/log.gz

[Kernel-packages] [Bug 1854968] Re: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x

2019-12-03 Thread Colin Ian King
I can't easily reproduce this on a s390 VM instance. -- 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/1854968 Title: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x Status in linux

[Kernel-packages] [Bug 1854968] Re: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x

2019-12-03 Thread Colin Ian King
net/core/dev.c netdev_wait_allrefs() states: ** * netdev_wait_allrefs - wait until all references are gone. * @dev: target net_device * * This is called when unregistering network devices. * * Any protocol or device that holds a reference should register * for netdevice notification, and

[Kernel-packages] [Bug 1854968] Re: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x

2019-12-03 Thread Colin Ian King
This makes sense as the af-alg stressor now exercises a far wider set of crypto engines. -- 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/1854968 Title: stress-ng sctp stressor breaks

[Kernel-packages] [Bug 1854968] Re: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x

2019-12-03 Thread Colin Ian King
The unregister_netdevice message appears after the af-alg stressor starts, so it maybe a crypto algo that is the root cause: 14:34:33 DEBUG| [stdout] af-alg STARTING 14:34:35 DEBUG| [stdout] [ 2895.954700] unregister_netdevice: waiting for lo to become free. Usage count = 1 -- You received

[Kernel-packages] [Bug 1854968] Re: stress-ng sctp stressor breaks 5.4.0.7-8 on s390x

2019-12-03 Thread Colin Ian King
This stress test has not changed much lately, so I'm assuming this is a racy kernel regression. Last stress-sctp changes in stress-ng were: commit 27b045a498b360ccbc761c3b62e3dd38dd744f09 Author: Colin Ian King Date: Sat Aug 10 13:25:34 2019 +0100 stress-sctp: voidify unused return

[Kernel-packages] [Bug 1854959] Re: stress-ng sysinfo stressor trips kernel oops on ppc64el with 5.4.0.7-8

2019-12-03 Thread Colin Ian King
Same on 5.4.0.4-5 too but not on 5.4.0.3.4 -- 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/1854959 Title: stress-ng sysinfo stressor trips kernel oops on ppc64el with 5.4.0.7-8 Status

[Kernel-packages] [Bug 1854959] [NEW] stress-ng sysinfo stressor trips kernel oops on ppc64el with 5.4.0.7-8

2019-12-03 Thread Colin Ian King
DEBUG| [stdout] 06:26:02 DEBUG| [stdout] ** Affects: linux (Ubuntu) Importance: High Assignee: Colin Ian King (colin-king) Status: In Progress ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Col

[Kernel-packages] [Bug 1853044] Re: 5.3.0-23-generic causes fans to spin when idle

2019-11-29 Thread Colin Ian King
Hi Dean, I've prepared another debug test kernel that has 70+ of the drm patches removed that were introduced between the 5.3.0-19 and 5.3.9-23 kernels. If this stops the fan spinning then this implies the regression was introduced in a drm graphics patch. Updated revision r2 Debian packages can

[Kernel-packages] [Bug 1853044] Re: 5.3.0-23-generic causes fans to spin when idle

2019-11-26 Thread Colin Ian King
CPU averages: 5.3.0-19: 2.03W, 99.6% idle, 0.1% in kernel, 93.5% in C10 state, 5.3% in C8 state, 1.66GHz 5.3.0-23: 13.71W, 99.3% idle, 0.1% in kernel, 92.3% in C10 state, 6.1% in C8 state, 2.05GHz GPU averages: 5.3.0-19: 0.10W 5.3.0-23: 7.19W ACPI thermal zone: 5.3.0-19:

[Kernel-packages] [Bug 1853044] Re: 5.3.0-23-generic causes fans to spin when idle

2019-11-26 Thread Colin Ian King
@Dean, just one sanity check, do you have non-integer icon scaling on your desktop? -- 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/1853044 Title: 5.3.0-23-generic causes fans to spin

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-25 Thread Colin Ian King
** Also affects: linux (Ubuntu Focal) Importance: Critical Assignee: Colin Ian King (colin-king) Status: Confirmed ** Also affects: linux-hwe (Ubuntu Focal) Importance: Undecided Status: Invalid ** Also affects: linux (Ubuntu Eoan) Importance: Undecided Status

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-25 Thread Colin Ian King
Thanks Witold! Much appreciated. ** Tags added: verification-done verification-done-eoan -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1852406 Title: Double-escape in initramfs

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-25 Thread Colin Ian King
I was hoping you could test the version in -proposed. Without it being verified as fixed then the fix won't be released for Eoan. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1852406

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-25 Thread Colin Ian King
@Witold, is it possible for you to sanity check this, if it's not verified it won't be fixed. thanks Colin -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1852406 Title:

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-22 Thread Colin Ian King
** Description changed: + == SRU Justification Disco, Eoan, Focal == + + Multiple squashfs filesystems with overlayfs cause file corruption issues + when modifying zero sized files + + == Fix == + + The current fix is pending in +

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-22 Thread Colin Ian King
I'm doing some testing right now on the current upstream fix, hopefully will SRU this by EOD. -- 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/1824407 Title: remount of multilower moved

[Kernel-packages] [Bug 1853044] Re: 5.3.0-23-generic causes fans to spin when idle

2019-11-21 Thread Colin Ian King
I've found 3 possible commits that may have contributed to this regression. Can you install the kernel headers, image and module debs in https://kernel.ubuntu.com/~cking/lp-1853044/ and see if this helps fix the issue. ** Changed in: linux (Ubuntu) Status: In Progress => Incomplete --

[Kernel-packages] [Bug 1853044] Re: 5.3.0-23-generic causes fans to spin when idle

2019-11-21 Thread Colin Ian King
Also, when the fan is running at high speed can you do the following: sudo apt-get install acpi acpi -V and add the output to the bug report -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1853044] Re: 5.3.0-23-generic causes fans to spin when idle

2019-11-20 Thread Colin Ian King
Hi Dean, As a first triaging step, with the 5.3.0-23-generic and also the 5.3.0-19-generic kernel do you mind installing and running the following command: powerstat -Ra | tee powerstat-$(uname -r).log and attaching the log files to the bug report. The command takes about 60 seconds to run.

[Kernel-packages] [Bug 1853044] Re: 5.3.0-23-generic causes fans to spin when idle

2019-11-20 Thread Colin Ian King
** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member

[Kernel-packages] [Bug 1853130] Re: zfs-dkms-0.7.5-1ubuntu15 fail build kernel-hwe kernel 5.0.0-36-generic

2019-11-19 Thread Colin Ian King
No problem at all. I'll close this bug if that's OK. ** Changed in: zfs-linux (Ubuntu) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1853130

[Kernel-packages] [Bug 1853130] Re: zfs-dkms-0.7.5-1ubuntu15 fail build kernel-hwe kernel 5.0.0-36-generic

2019-11-19 Thread Colin Ian King
spl 102400 4 zfs,icp,znvpair,zcommon so just remove zfs-dkms and you can still use zfs on the HWE 5.0.x kernel on Bionic. ** Changed in: zfs-linux (Ubuntu) Importance: Undecided => Wishlist ** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Colin Ian King

[Kernel-packages] [Bug 1771091] Re: zpool freezes importing older ZFS pool, blocks shotdown and system does not boot

2019-11-18 Thread Colin Ian King
This bug has not been updated with further information requested in question 4 for over a year. Marking as Won't Fix. ** Changed in: zfs-linux (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed

[Kernel-packages] [Bug 1846486] Re: revert the revert of ext4: make __ext4_get_inode_loc plug

2019-11-13 Thread Colin Ian King
** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed ** Changed in: linux (Ubuntu) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-13 Thread Colin Ian King
Yes, minimal impact and reducing regression risk is key in SRUs. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1852406 Title: Double-escape in initramfs DECRYPT_CMD Status in

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-13 Thread Colin Ian King
** Description changed: + == SRU Justification, Eoan == + initramfs/scripts/zfs.in incorrectly quotes ${ENCRYPTIONROOT} on line 414: DECRYPT_CMD="${ZFS} load-key '${ENCRYPTIONROOT}'" This is OK when the line is executed by shell, such as in line 430 or 436, but when plymouth is

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-13 Thread Colin Ian King
Fix required only in zfs-linux-0.8.1 in Eoan. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1852406 Title: Double-escape in initramfs DECRYPT_CMD Status in zfs-linux package in

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-13 Thread Colin Ian King
Fixed in zfs-0.8.2 in focal. ** Also affects: zfs-linux (Ubuntu Focal) Importance: Medium Assignee: Colin Ian King (colin-king) Status: Triaged ** Changed in: zfs-linux (Ubuntu Focal) Status: Triaged => Fix Released ** Also affects: zfs-linux (Ubuntu Eoan) Importa

[Kernel-packages] [Bug 1852406] Re: Double-escape in initramfs DECRYPT_CMD

2019-11-13 Thread Colin Ian King
Thanks for the patch. Any specific version of zfs-linux this relates to? ** Changed in: zfs-linux (Ubuntu) Importance: Undecided => Medium ** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: zfs-linux (Ubuntu) Statu

[Kernel-packages] [Bug 1851749] Re: Frequently getting thermal warnings and cpu throttling messages in syslog

2019-11-08 Thread Colin Ian King
** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-07 Thread Colin Ian King
pr_warn can be removed with a sauce patch, so no worries with that. -- 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/1824407 Title: remount of multilower moved pivoted-root overlayfs

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-07 Thread Colin Ian King
been iterating on a fix with upstream: https://lkml.org/lkml/2019/11/7/317 -- 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/1824407 Title: remount of multilower moved pivoted-root

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-06 Thread Colin Ian King
When I'm more awake tomorrow I'll send a patch upstream as a suggested fix and see if we can get a good solution on the UUIDs worked out. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-06 Thread Colin Ian King
Just love the way launchpad mangles pasted code. -- 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/1824407 Title: remount of multilower moved pivoted-root overlayfs root, results in I/O

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-06 Thread Colin Ian King
I was thinking of a more generalized overlayfs solution that detects if file systems don't initialize the superblock uuid and overlayfs improvises by generating the internal overlayfs uuid, something like: diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-06 Thread Colin Ian King
The concern I have is for other file systems that also don't populate the UUID - this seems to be a general problem for overlayfs. Perhaps a UUID can be autogenerated based on the superblock rather than file system specific UUID magic if the UUID is zero. -- You received this bug notification

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-06 Thread Colin Ian King
Adding a uuid into the superblock on squashfs seems to resolve the issue. Since squashfs does not have UUID support, my hack below generates one based on some squashfs superblock metadata that provides a good enough UUID for our purposes. diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-06 Thread Colin Ian King
Comparing the previous debug with 2 squashfs overlayfs lowers with the *same* data on ext4 as the 2 overlayfs lowers we have: [ 56.257691] repro-nosquashf (1038): drop_caches: 3 [ 56.265075] ovl_get_fh: 112 dentry: etc/.pwd.lock name: trusted.overlay.origin [ 56.265077] ovl_get_fh: 115:

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-05 Thread Colin Ian King
4.15: ovl_get_origin_fh detects zero sized files on lower paths and treats these a special zero sized "copied up but origin unknown" magic. [ 25.442916] ovl_check_origin: etc/.pwd.lock 2 [ 25.442918] ovl_get_origin_fh: 104 etc/.pwd.lock [ 25.442919] ovl_get_origin_fh: 107 res=0 [

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-11-05 Thread Colin Ian King
Installed the new zfsutils + zfs dkms to sanity check the kernel driver part of the fix: dmesg | grep ZFS [ 22.420188] ZFS: Loaded module v0.8.1-1ubuntu14.1, ZFS pool version 5000, ZFS filesystem version 5 And now the test: root@eoan-amd64-uefi:~# mkdir /zfs-test root@eoan-amd64-uefi:~# cd

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-11-05 Thread Colin Ian King
So this is a 2-phase fix. The dkms package is updated, then we test this, then this gets sync'd into the kernel. I'm testing it right now, let me sanity check the zfs-dkms part first and get that updated as step #1. -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-05 Thread Colin Ian King
Replaced one of the two squashfs with read-only ext4 partitions and can't reproduce the error. Seems that we need 2 stacked squashfs file systems. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-05 Thread Colin Ian King
Replaced read-only squashfs with read-only ext4 partitions and can't reproduce the error. -- 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/1824407 Title: remount of multilower moved

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-04 Thread Colin Ian King
And if we change use a different file: /root-tmp/var/log/ubuntu- advantage.log we get the following error too: [ 24.531406] SQUASHFS error: squashfs_read_data failed to read block 0x89c066e0b540 [ 24.531444] SQUASHFS error: Unable to read metadata cache entry [89c066e0b540] -- You

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-04 Thread Colin Ian King
OK, now managed to get a reproducer script to kick this bug even outside the early install context. Seems like we can force this bug by either remounting OR sync'ing and dropping caches. Attached is the reproducer script. Run as root, we hit the error: cat: /root-tmp/etc/.pwd.lock:

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-04 Thread Colin Ian King
BTW, I can generate the mount move failure with the cut down script as follows (which follows the same mount patterns as the casper script) #!/bin/bash -x mkdir -p /cdrom mount -t iso9660 -o ro,noatime /dev/sr0 /cdrom sleep 1 mkdir -p /cow mount -t tmpfs -o 'rw,noatime,mode=755' tmpfs /cow sleep

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-04 Thread Colin Ian King
Hi Dimitri, while debugging this I found the following in setup_unionfs() in scripts/casper: # move the first mount; no head in busybox-initramfs for d in $(mount -t squashfs | cut -d\ -f 3); do mkdir -p "${rootmnt}/rofs" if [ "${UNIONFS}" = unionfs-fuse ]; then

[Kernel-packages] [Bug 1846486] Re: revert the revert of ext4: make __ext4_get_inode_loc plug

2019-11-04 Thread Colin Ian King
Verified, seeing same ball-park performance improvements. ** Tags removed: verification-needed-eoan ** Tags added: verification-done-eoan -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-11-03 Thread Colin Ian King
** Also affects: zfs-linux (Ubuntu Eoan) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1849665 Title: zfs diff: Unable to determine path

[Kernel-packages] [Bug 1824407] Re: remount of multilower moved pivoted-root overlayfs root, results in I/O errors on some modified files

2019-11-01 Thread Colin Ian King
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: linux-hwe (Ubuntu Bionic) Assignee: (unassigned) => Colin Ian King (colin-king) -- You received this bug notification because you are a member of Kernel Packages, which is subs

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-11-01 Thread Colin Ian King
uploaded zfs-linux (0.8.1-1ubuntu14.1) eoan (will land in -proposed sometime soon) uploaded zfs-linux (0.0.1.1ubuntu16) focal Once the packages are uploaded the dkms driver component will be sync'd into the next kernel and then once this is in -proposed it can be fully tested. -- You received

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-10-24 Thread Colin Ian King
I'll get this uploaded into -proposed once the current SRU backlog is out. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1849665 Title: zfs diff: Unable to determine path or stats

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-10-24 Thread Colin Ian King
** Description changed: + == SRU Justification, Eoan == + + Using zfs diff on an encrypted dataset with large objects one can hit an + error such as follows: + + # zfs diff nsnx/trusty-2a@snap1 nsnx/trusty-2a + + /nsnx/trusty-2a/bin + Unable to determine path or stats for object 5 in

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-10-24 Thread Colin Ian King
With the fix: root@eoan-amd64-efi:/home/cking# mkdir /zfs-test root@eoan-amd64-efi:/home/cking# cd /zfs-test root@eoan-amd64-efi:/zfs-test# truncate -s 10G file.img root@eoan-amd64-efi:/zfs-test# zpool create -o ashift=12 -O acltype=posixacl -O compression=lz4 -O xattr=sa -O normalization=formD

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-10-24 Thread Colin Ian King
Confirming that upstream commit https://github.com/zfsonlinux/zfs/commit/d359e99c38f66732d42278c32d52cfcf1839aa4f fixes this issue. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu.

[Kernel-packages] [Bug 1849665] Re: zfs diff: Unable to determine path or stats for object

2019-10-24 Thread Colin Ian King
** Changed in: zfs-linux (Ubuntu) Importance: Undecided => High ** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: zfs-linux (Ubuntu) Status: New => In Progress -- You received this bug notification because you are

[Kernel-packages] [Bug 1847628] Re: When using swap in ZFS, system stops when you start using swap

2019-10-15 Thread Colin Ian King
** Changed in: ubiquity (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1847628 Title: When using swap in ZFS, system stops when you start

[Kernel-packages] [Bug 1779156] Re: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

2019-10-14 Thread Colin Ian King
A fix has landed in lxd, I refer you to the following comment: https://github.com/lxc/lxd/issues/4656#issuecomment-541266681 Please check if this addresses the issues. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1847628] Re: When using swap in ZFS, system stops when you start using swap

2019-10-10 Thread Colin Ian King
https://github.com/zfsonlinux/pkg-zfs/wiki/HOWTO-use-a-zvol-as-a-swap- device ..there are known issues with swap on ZFS not working well on heavily memory loaded systems. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in

[Kernel-packages] [Bug 1847628] Re: When using swap in ZFS, system stops when you start using swap

2019-10-10 Thread Colin Ian King
A swapfile on ZFS is a bad idea. Swapped out pages get pushed through the vfs into zfs and each page of swap will be magnified in the number of free pages required to get this page out to disk. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed

[Kernel-packages] [Bug 1846424] Re: 19.10 ZFS Update failed on 2019-10-02

2019-10-07 Thread Colin Ian King
The error: "zfs[9317]: cannot mount '/': directory is not empty" seems to suggest that this is a root mounted zfs. Is that so? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1846424

[Kernel-packages] [Bug 1846486] Re: revert the revert of ext4: make __ext4_get_inode_loc plug

2019-10-03 Thread Colin Ian King
** Description changed: == SRU Justification Eoan == Now that 5.4 contains a fix to the bootup regression due to the lack of entropy at bootable we should apply this fix and also revert the revert of commit "Revert "ext4: make __ext4_get_inode_loc plug"". == Fix == So, to

[Kernel-packages] [Bug 1846486] [NEW] revert the revert of ext4: make __ext4_get_inode_loc plug

2019-10-03 Thread Colin Ian King
is now zero. ** Affects: linux (Ubuntu) Importance: High Assignee: Colin Ian King (colin-king) Status: In Progress ** Changed in: linux (Ubuntu) Status: New => In Progress ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu)

[Kernel-packages] [Bug 1846424] Re: 19.10 ZFS Update failed on 2019-10-02

2019-10-02 Thread Colin Ian King
or 5.3 kernels then one can remove zfs-dkms. Can you provide more information about the error? ** Changed in: zfs-linux (Ubuntu) Importance: Undecided => High ** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: zfs-linux (

[Kernel-packages] [Bug 1845948] Re: clone test from ubuntu_stress_smoke_test failed on B-hwe 5.0 i386

2019-10-01 Thread Colin Ian King
and https://kernel.ubuntu.com/git/ubuntu/autotest-client- tests.git/commit/?id=7447c7b658e3a6cc40496a75033c007e4a91f166 ** Changed in: stress-ng Importance: Undecided => High ** Changed in: stress-ng Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: ubuntu-kernel

[Kernel-packages] [Bug 1845948] Re: clone test from ubuntu_stress_smoke_test failed on B-hwe 5.0 i386

2019-10-01 Thread Colin Ian King
I've managed to reproduce this on pepe, seems like the autotest is being OOM'd in preference to the actual cloning processes. I'll see if I can figure out how to stop this. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1845638] Re: ubuntu_lttng_smoke_test failed with D PowerPC

2019-09-27 Thread Colin Ian King
Fix committed: https://kernel.ubuntu.com/git/ubuntu/autotest-client- tests.git/commit/?id=8e618fb7b00ecc206fe3ea73084492ebb5835747 ** Changed in: ubuntu-kernel-tests Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: ubuntu-kernel-tests Status: Incomplete =&g

[Kernel-packages] [Bug 1845638] Re: ubuntu_lttng_smoke_test failed with D PowerPC

2019-09-27 Thread Colin Ian King
d in: ubuntu-kernel-tests Assignee: Colin Ian King (colin-king) => (unassigned) ** Changed in: linux (Ubuntu) Assignee: Colin Ian King (colin-king) => (unassigned) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linu

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-27 Thread Colin Ian King
And for Standard_D2s_v3 IP addr Mac AddrKernel Reboots 104.42.252.54 00:0d:3a:32:df:92 5.0.0-1020-azure500 104.42.150.26 00:0d:3a:31:1b:50 5.0.0-1020-azure500 104.42.147.144 00:0d:3a:32:d8:2f 5.0.0-1020-azure500 40.112.129.232

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-27 Thread Colin Ian King
@Joseph, so I can reproduce this hang/crash issue across a variety of instances. I can't get any info back on a console, so debugging this is not easy. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu.

[Kernel-packages] [Bug 1845638] Re: ubuntu_lttng_smoke_test failed with D PowerPC

2019-09-27 Thread Colin Ian King
** Changed in: linux (Ubuntu) Status: Incomplete => In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: ubuntu-kernel-tests Importance: Undecide

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-27 Thread Colin Ian King
Get more failures with Standard_B1ms IP addr Mac AddrKernel Reboots 52.160.101.11 00:0d:3a:5b:a0:7c 5.0.0-1020-azure10 137.135.51.101 00:0d:3a:31:20:fc 5.0.0-1020-azure500 137.135.50.133 00:0d:3a:31:27:0f 5.0.0-1020-azure396 [hang]

[Kernel-packages] [Bug 1779156] Re: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

2019-09-26 Thread Colin Ian King
See: https://github.com/lxc/lxd/issues/4656#issuecomment-535531229 In https://github.com/lxc/lxd/blob/master/lxd/storage_zfs_utils.go#L255 the umount is done by err := unix.Unmount(mountpoint, unix.MNT_DETACH) The umount2(2) manpage writes about MNT_DETACH: Perform a lazy unmount: make

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-26 Thread Colin Ian King
I kicked off another ~20K reboot tests with Standard_B2S instances and hit hangs again: IP addr Mac AddrKernel Reboots 104.42.3.16100:0d:3a:37:82:ee 5.0.0-1020-azure100 13.91.5.23 00:0d:3a:5a:74:23 5.0.0-1020-azure57

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-26 Thread Colin Ian King
So the best way to reproduce this issue is to run ~500 reboots across multiple instances rather than 5000-1 reboots on once instance. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu.

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-25 Thread Colin Ian King
See above, I ran several thousand reboot tests on a lot of Basic_A3 instances, ranging from 50, 250 to 500 reboots. Only one failed. So this is *really* hard to reproduce. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-25 Thread Colin Ian King
IP addr Mac AddrKernel Reboots 13.64.67.18600:0d:3a:3a:dd:04 5.0.0-1016-azure50 104.42.152.115 00:0d:3a:35:b1:e6 5.0.0-1016-azure50 65.52.121.205 00:0d:3a:3b:0f:52 5.0.0-1016-azure50 13.88.28.42 00:0d:3a:3b:c7:da

[Kernel-packages] [Bug 1815178] Re: 18.04: Raid performances on kernel 4.15 and newer are suboptimal when used on NVMe devices

2019-09-24 Thread Colin Ian King
This bug has been dormant for a while with no update. I'm marking it as won't fix. If this is still and issue, please re-open this bug. ** Changed in: linux (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which

[Kernel-packages] [Bug 1811730] Re: Thermald does not set max CPU after reseting the voltage using RAPL

2019-09-24 Thread Colin Ian King
** Changed in: thermald (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to thermald in Ubuntu. https://bugs.launchpad.net/bugs/1811730 Title: Thermald does not set max CPU after reseting

[Kernel-packages] [Bug 1779156] Re: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

2019-09-24 Thread Colin Ian King
Been digging into this a bit further with lxc 3.17 on Eoan. lxc launch ubuntu:bionic zfs-bug-test Creating zfs-bug-test Starting zfs-bug-test lxc delete zfs-bug-test --force Error: Failed to destroy ZFS filesystem: Failed to run: zfs destroy -r default/containers/z1: cannot destroy

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-20 Thread Colin Ian King
@Robert, was there a specific class of virtual machine you were using when this issue occurred? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu. https://bugs.launchpad.net/bugs/1822118 Title: Kernel Panic while

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-18 Thread Colin Ian King
** Changed in: linux-azure (Ubuntu) Status: In Progress => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu. https://bugs.launchpad.net/bugs/1822118 Title: Kernel Panic while rebooting cloud

[Kernel-packages] [Bug 1822118] Re: Kernel Panic while rebooting cloud instance

2019-09-18 Thread Colin Ian King
@Joseph, any ideas how we can progress on this? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-azure in Ubuntu. https://bugs.launchpad.net/bugs/1822118 Title: Kernel Panic while rebooting cloud instance Status in linux-azure

[Kernel-packages] [Bug 1798574] Re: bionic/linux: hung task triggered by ubuntu_vfat_stress stress-ng testcase

2019-09-18 Thread Colin Ian King
I can reproduce this on 4.15.0-38 but not on a more recent kernel, e.g. 4.15.0-64, so I think this has been fixed. I'll close this for now as fixed released, but feel free to re-open it if we see the same issue again. ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released **

[Kernel-packages] [Bug 1798574] Re: bionic/linux: hung task triggered by ubuntu_vfat_stress stress-ng testcase

2019-09-16 Thread Colin Ian King
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Colin Ian King (colin-king) -- You received this bug notification because you are a member of Kernel Packages, which is subs

[Kernel-packages] [Bug 1840934] Re: Change kernel compression method to improve boot speed

2019-09-09 Thread Colin Ian King
>From "Comment bridged from LTC Bugzilla" in a bug discussion: "FWIW, I verified this on z14, and there clearly lz4 is (as expected) the fastest decompression algorithm. With vanilla 5.3-rc6 and defconfig I get the following kernel uncompression times: lzo: 27us lz4: 24us An initrd

[Kernel-packages] [Bug 1840934] Re: Change kernel compression method to improve boot speed

2019-09-09 Thread Colin Ian King
Also enable LZ4 for s390x as IBM has provided us with some positive feedback about using this. -- 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/1840934 Title: Change kernel compression

[Kernel-packages] [Bug 1779156] Re: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

2019-09-03 Thread Colin Ian King
The ZFS destroy checks the reference count on the dataset with zfs_refcount_count(>ds_longholds) != expected_holds and returns EBUSY in dsl_destroy_head_check_impl. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1832384] Re: Unable to unmount apparently unused filesystem

2019-09-02 Thread Colin Ian King
latter 1-2 weeks of this cycle -- 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/1832384 Title: Unable to unmount apparently unused filesystem Status in linux package in Ubuntu:

[Kernel-packages] [Bug 1832384] Re: Unable to unmount apparently unused filesystem

2019-09-02 Thread Colin Ian King
See also: https://wiki.ubuntu.com/Kernel/StableReleaseCadence and https://kernel.ubuntu.com/ -- 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/1832384 Title: Unable to unmount apparently

[Kernel-packages] [Bug 1832384] Re: Unable to unmount apparently unused filesystem

2019-09-02 Thread Colin Ian King
We generally have a 3 week release cycle on kernels, so if it's in -proposed it probably in the later 1-2 weeks of this cycle. -- 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/1832384

[Kernel-packages] [Bug 1779156] Re: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

2019-08-30 Thread Colin Ian King
Assignee: Colin Ian King (colin-king) Status: Triaged ** Also affects: lxc (Ubuntu Eoan) Importance: Undecided Status: Confirmed ** Also affects: linux (Ubuntu Disco) Importance: Undecided Status: New ** Also affects: lxc (Ubuntu Disco) Importance: Undecided

[Kernel-packages] [Bug 1832384] Re: Unable to unmount apparently unused filesystem

2019-08-30 Thread Colin Ian King
That's really helpful to know John, thanks for the feedback. -- 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/1832384 Title: Unable to unmount apparently unused filesystem Status in

[Kernel-packages] [Bug 1779156] Re: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

2019-08-30 Thread Colin Ian King
Do we have any hunches on how to reproduce this issue? -- 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/1779156 Title: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

[Kernel-packages] [Bug 1779156] Re: lxc 'delete' fails to destroy ZFS filesystem 'dataset is busy'

2019-08-30 Thread Colin Ian King
Cosmic is now end-of-life. Does this still occur on Disco? ** Changed in: linux (Ubuntu) Importance: High => Medium ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) -- You received this bug notification because you are a member of Kernel Pa

[Kernel-packages] [Bug 1841747] Re: dev test in ubuntu_stress_smoke_test crashes AWS c5.large with Disco

2019-08-29 Thread Colin Ian King
The following run as root will cause the instances to hang and then reboot (by the watchdog?) #include #include #include #include #include int main(void) { for (;;) { int fd; fd = open("/dev/hpet", O_RDONLY | O_NONBLOCK); close(fd);

[Kernel-packages] [Bug 1841747] Re: dev test in ubuntu_stress_smoke_test crashes AWS c5.large with Disco

2019-08-29 Thread Colin Ian King
Seems to occur when exercising /dev/hpet -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1841747 Title: dev test in ubuntu_stress_smoke_test crashes AWS c5.large with Disco Status

[Kernel-packages] [Bug 1840934] Re: Change kernel compression method to improve boot speed

2019-08-23 Thread Colin Ian King
@Dimitri, Seems that for initramfs lz4 makes a lot of sense, see: https://kernel.ubuntu.com/~cking/boot-speed-eoan-5.3/boot-speed- initramfs-decompression-eoan.ods The load times for LZ4 is slower than the previous default, however, the decompression time makes up for this unless one is booting

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