[Kernel-packages] [Bug 1818141] [NEW] linux-azure - Add the same 4.15 InfiniBand configuration settings to the 4.18 kernel

2019-02-28 Thread David Coronel
Public bug reported: The InfiniBand configuration settings from the 4.15 linux-azure kernel are not in the 4.18 linux-azure kernel. This is a request to apply the same InfiniBand settings to the 4.18 linux-azure kernel. The following settings are only in the 4.15 linux-azure kernel (tested with

[Kernel-packages] [Bug 1818138] [NEW] Add CONFIG_NO_HZ_FULL=y to linux-azure kernels

2019-02-28 Thread David Coronel
Public bug reported: This is a request to enable CONFIG_NO_HZ_FULL=y in the linux-azure kernels(currently 4.15 and 4.18) in order to increase NVME disks performance. The current CONFIG_NO_HZ configuration in linux-azure kernels is the following (tested on 4.15.0-1037, 4.15.0-1039 and

[Kernel-packages] [Bug 1816106] [NEW] 4.15.0-1037 does not see all PCI devices on GPU VMs

2019-02-15 Thread David Coronel
Public bug reported: Host changes have altered how the PCI GUID is presented to the guest and the patches for PCI IDs in 4.15.0-1037 do not properly handle the new condition. Impact: Instances with multiple GPUs are only seeing one. Workaround: 4.15.0-1036 does not have this behavior.

[Kernel-packages] [Bug 1802021] Re: [Hyper-V] srcu: Lock srcu_data structure in srcu_gp_start()

2019-02-14 Thread David Coronel
@lazamarius1: Just to clarify, the fix is scheduled to go in the 4.15 kernel in Bionic which is the same kernel as the Xenial HWE kernel. So there's no need to add anything to the Affects section. You will see a new linux-hwe 4.15 kernel in xenial-proposed once this is ready to test. Thanks! --

[Kernel-packages] [Bug 1813211] Re: Allow I/O schedulers to be loaded with modprobe in linux-azure

2019-02-14 Thread David Coronel
[VERIFICATION BIONIC] I can modprobe the mq-deadline, kyber and bfq schedulers but it looks like doing a modprobe of the cfq and deadline schedulers doesn't list them as choices in the available schedulers: # uname -r 4.18.0-1009-azure # modprobe bfq # modprobe cfq-iosched # modprobe

[Kernel-packages] [Bug 1802021] Re: [Hyper-V] srcu: Lock srcu_data structure in srcu_gp_start()

2019-02-04 Thread David Coronel
You can clone the ubuntu-xenial kernel: git clone git://kernel.ubuntu.com/ubuntu/ubuntu-xenial.git And then grep for the commit you're looking for. There's a few different ways to do it, I do: git log --oneline | grep "Expose SMT control init function" -- You received this bug notification

[Kernel-packages] [Bug 1802021] Re: [Hyper-V] srcu: Lock srcu_data structure in srcu_gp_start()

2019-02-04 Thread David Coronel
Hi overlord. An easy way to check the updates included in released kernels is to look at the "-changes" mailing list for your Ubuntu release. In this situation it would be https://lists.ubuntu.com/archives/xenial- changes/ And you can find that new kernel here:

[Kernel-packages] [Bug 1802021] Re: [Hyper-V] srcu: Lock srcu_data structure in srcu_gp_start()

2019-02-04 Thread David Coronel
@overlord: AFAIK, there is no simple reproducer test case for this issue. The ideal testing scenario for a bug and fix like this one would be for each user who reported this issue to use a test kernel with the fix in their environment and report back if the issue still manifests or not after some

[Kernel-packages] [Bug 1813211] [NEW] Allow I/O schedulers to be loaded with modprobe in linux-azure

2019-01-24 Thread David Coronel
Public bug reported: There was a previous request in bug https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1671203 to limit the IO scheduler to NOOP in linux-azure. The other schedulers were turned off and NOOP was made the default. However with new upstream releases, new schedulers where

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-22 Thread David Coronel
Hi Marcelo, Maybe I'm doing something wrong but I still don't see the Mellanox devices with this 4.18.0-1005 kernel from the CKT PPA: ubuntu@lp1794477:~$ sudo add-apt-repository ppa:canonical-kernel-team/ppa ubuntu@lp1794477:~$ sudo apt install linux-azure-edge ubuntu@lp1794477:~$ sudo

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-21 Thread David Coronel
bionic-tree/4.18.0-1004 with all the packages: $ sudo dpkg -i linux-modules-4.18.0-1004-azure_4.18.0-1004.4~18.04.1LP1794477_amd64.deb \ linux-modules-extra-4.18.0-1004-azure_4.18.0-1004.4~18.04.1LP1794477_amd64.deb \

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-21 Thread David Coronel
bionic-tree/4.18.0-1004: ubuntu@lp1794477:~$ uname -a Linux lp1794477 4.18.0-1004-azure #4~18.04.1 SMP Wed Nov 21 20:07:48 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ubuntu@lp1794477:~$ dmesg | grep -i mella [6.337786] mlx4_core: Mellanox ConnectX core driver v4.0-0 [6.374260]

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-21 Thread David Coronel
4.18.0-1004: ubuntu@lp1794477:~$ uname -a Linux lp1794477 4.18.0-1004-azure #5~lp1794477 SMP Wed Nov 21 19:19:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ubuntu@lp1794477:~$ dmesg | grep -i mella [6.009608] mlx4_core: Mellanox ConnectX core driver v4.0-0 [6.045063] mlx4_ib_add: mlx4_ib:

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-21 Thread David Coronel
4.18.0-1003: ubuntu@lp1794477:~$ uname -a Linux lp1794477 4.18.0-1003-azure #4~lp1794477 SMP Wed Nov 21 18:32:18 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ubuntu@lp1794477:~$ dmesg | grep -i mella [5.701478] mlx4_core: Mellanox ConnectX core driver v4.0-0 [5.732267] mlx4_ib_add: mlx4_ib:

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-21 Thread David Coronel
4.18.0-1002: ubuntu@lp1794477:~$ uname -a Linux lp1794477 4.18.0-1002-azure #3~lp1794477 SMP Wed Nov 21 16:41:12 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ubuntu@lp1794477:~$ dmesg | grep -i mella [5.723350] mlx4_core: Mellanox ConnectX core driver v4.0-0 [5.751281] mlx4_ib_add: mlx4_ib:

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-21 Thread David Coronel
4.18.0-1001: ubuntu@lp1794477:~$ uname -a Linux lp1794477 4.18.0-1001-azure #2~lp1794477 SMP Wed Nov 21 16:06:45 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ubuntu@lp1794477:~$ dmesg | grep -i mella [5.701988] mlx4_core: Mellanox ConnectX core driver v4.0-0 [5.730013] mlx4_ib_add: mlx4_ib:

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-21 Thread David Coronel
I can see the Mellanox devices with that 4.17.0-1001-azure kernel. I installed the new kernel: sudo dpkg -i linux- modules-4.17.0-1001-azure_4.17.0-1001.2~lp1794477_amd64.deb linux- modules-extra-4.17.0-1001-azure_4.17.0-1001.2~lp1794477_amd64.deb linux-

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-20 Thread David Coronel
These are the packages I see installed out of the box in the instance: ubuntu@lp1794477:~/41701001$ dpkg -l | grep 4.15.0-1030.31 | sort ii linux-azure-cloud-tools-4.15.0-1030 4.15.0-1030.31 amd64Linux kernel version specific cloud tools for version

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-20 Thread David Coronel
Hi Joseph, Is there a special way I should install these? I tried: sudo dpkg -i * But I get: Selecting previously unselected package linux-azure-cloud-tools-4.17.0-1001. (Reading database ... 56547 files and directories currently installed.) Preparing to unpack

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-20 Thread David Coronel
Hi Chris. I spoke to Joseph and I think we have everything we need to start the bisect. We'll get started and keep you posted. -- 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/1794477

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

2018-11-20 Thread David Coronel
I can reproduce the issue in Azure with Ubuntu 18.04 and the kernel linux-azure-edge 4.18.0.1004.5 from bionic-proposed. I use an instance of type "Standard F4s_v2 (4 vcpus, 8 GB memory)" I launch the instance and get the 4.15.0-1030-azure kernel: $ lsb_release -a No LSB modules are available.

[Kernel-packages] [Bug 1797314] Re: fscache: bad refcounting in fscache_op_complete leads to OOPS

2018-10-30 Thread David Coronel
I have a user who confirms the 4.15.0-39 kernel fixes this issue: # uname -a Linux 4.15.0-39-generic #42~16.04.1-Ubuntu SMP Wed Oct 24 17:09:54 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux # cat /proc/fs/fscache/stats FS-Cache statistics Cookies: idx=2 dat=283731 spc=0 Objects: alc=278557 nal=0

[Kernel-packages] [Bug 1796376] Re: Bug #1739107 fix causes linux-cloud-tools-common not to be upgradable with unattended-upgrades on shutdown mode

2018-10-15 Thread David Coronel
@Guillaume: I am Eric's colleague from comment #21. I was able to reproduce the issue in Azure with your reproducer in comment #5. I'll show Eric how I reproduced the issue and he'll be able to follow up with you. Thanks! -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1793430] Re: Page leaking in cachefiles_read_backing_file while vmscan is active

2018-10-11 Thread David Coronel
** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- 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/1793430 Title: Page leaking in

[Kernel-packages] [Bug 1796376] Re: Bug #1739107 fix causes linux-cloud-tools-common not to be upgradable with unattended-upgrades on shutdown mode

2018-10-09 Thread David Coronel
Hi Guillaume, would it be possible to provide step-by-step instructions 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/1796376 Title: Bug #1739107 fix causes

[Kernel-packages] [Bug 1776277] Re: fscache cookie refcount updated incorrectly during fscache object allocation

2018-09-04 Thread David Coronel
I have confirmation that the kernel in -proposed fixes the issue in xenial. ** 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.

[Kernel-packages] [Bug 1776254] Re: CacheFiles: Error: Overlong wait for old active object to go away.

2018-09-04 Thread David Coronel
I have confirmation that the kernel in -proposed fixes the issue in xenial. ** 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.

[Kernel-packages] [Bug 1788222] [NEW] Bugfix for handling of shadow doorbell buffer

2018-08-21 Thread David Coronel
Public bug reported: This request is to pull in the following patch for NVMe bug from https://lore.kernel.org/patchwork/patch/974880/ in the linux-gcp kernel: === This patch adds full memory barrier into nvme_dbbuf_update_and_check_event function to ensure that the shadow doorbell is written

[Kernel-packages] [Bug 1783246] Re: Cephfs + fscache: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: jbd2__journal_start+0x22/0x1f0

2018-08-10 Thread David Coronel
I have confirmation from a user who has done verification for this kernel. Changing to verification-done-bionic. ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1786110] [NEW] SMB3: Fix regression in server reconnect detection

2018-08-08 Thread David Coronel
Public bug reported: Request to pull this patch from upstream into the next 4.15 kernel update: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=b2adf22fdfba85a6701c481faccdbbb3a418ccfc This fixes a regression in SMB 2/3 reconnect detection. The fix has been

[Kernel-packages] [Bug 1774336] Re: FS-Cache: Assertion failed: FS-Cache: 6 == 5 is false

2018-06-19 Thread David Coronel
I have confirmation from a user running NFS stress tests on Xenial with this kernel and has not seen any issues. Changed tag to verification- done-xenial. ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a

[Kernel-packages] [Bug 1762554] Re: [Hyper-V] IB/mlx5: Respect new UMR capabilities

2018-06-07 Thread David Coronel
@Marcelo, I have a reply from Madhuri: Created By: Madhuri Kaniganti (portal) (07/06/2018 11:40 AM) Just these two fixes needed: IB/mlx5: Respect new UMR capabilities

[Kernel-packages] [Bug 1756197] Re: Kernel panic BUG_ON in 4.4.0-92-generic fs/ext4/inode.c:1894!

2018-06-01 Thread David Coronel
Marking bug as invalid as it looks like the root of the issue was with the user's own module. ** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1750038] Re: user space process hung in 'D' state waiting for disk io to complete

2018-06-01 Thread David Coronel
I have confirmation from the user who reported this that they have tested the new kernel 4.4.0-128.154 in their test environment for a 24 hours stress test and could not reproduce the issue. I changed the tag to verification done. ** Tags removed: verification-needed-xenial ** Tags added:

[Kernel-packages] [Bug 1750038] Re: user space process hung in 'D' state waiting for disk io to complete

2018-05-28 Thread David Coronel
Created By: David Coronel (28/05/2018 4:28 PM) Good day Sam, Jamie, The kernel 4.4.0-128-generic #154 is now ready for testing by Nvidia: linux | 4.4.0-128.154 | xenial-proposed | source linux-image-4.4.0-128-generic | 4.4.0-128.154 | xenial-proposed | amd64, arm64, armhf, i386, ppc64el, s390x

[Kernel-packages] [Bug 1744117] [NEW] [SRU][HWE] ALSA backport missing NVIDIA GPU codec IDs to patch table to Ubuntu 16.04 LTS Kernel

2018-01-18 Thread David Coronel
Public bug reported: Add support for 4/6/8 channel sound in 16.04 LTS kernel for future GPUs. This commit should be what is needed: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=74ec118152ea494a25ebb677cbc83a75c982ac5f ALSA: hda - Add missing NVIDIA GPU codec IDs to

[Kernel-packages] [Bug 1739107] [NEW] linux-cloud-tools-common: Ensure hv-kvp-daemon.service starts before walinuxagent.service

2017-12-19 Thread David Coronel
Public bug reported: This is a request to make a change in the hv-kvp-daemon systemd service which is part of the linux-cloud-tools-common package to ensure the hv- kvp-daemon service starts before the walinuxagent service. The default dependencies make hv-kvp-daemon wait until the whole system

[Kernel-packages] [Bug 1737033] Re: upgrading linux-image package to 4.4.0-103.126 breaks Ceph network file system connection

2017-12-13 Thread David Coronel
I also confirm the kernel 4.4.0-104.127 in xenial-proposed fixes the issue. I am able to mount my CephFS filesystem normally. Benjamin also confirmed the kernel works for him in comments #26 and #27. I am changing the tag to verification-done-xenial. Thanks! ** Tags removed:

[Kernel-packages] [Bug 1728739] Re: Attempt to map rbd image from ceph jewel/luminous hangs

2017-12-08 Thread David Coronel
FYI, this patch seems to have introduced a regression, see https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1737033 -- 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/1728739 Title:

[Kernel-packages] [Bug 1737033] Re: upgrading linux-image package to 4.4.0-103.126 breaks Ceph network file system connection

2017-12-08 Thread David Coronel
I tested a kernel without the following commits from https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1728739 and I was able to mount the CephFS filesystem successfully: http://kernel.ubuntu.com/git/ubuntu/ubuntu- xenial.git/commit/?id=f14ca6ac3b198f30ee138f02c3c7d380d165736e

[Kernel-packages] [Bug 1737033] Re: upgrading linux-image package to 4.4.0-103.126 breaks Ceph network file system connection

2017-12-08 Thread David Coronel
I forgot to mention that I was still able to reproduce the bug with the kernel you built with a revert of commit ff467fd from http://kernel.ubuntu.com/~jsalisbury/lp1737033 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1737033] Re: upgrading linux-image package to 4.4.0-103.126 breaks Ceph network file system connection

2017-12-08 Thread David Coronel
Hi Joseph, I'm able to reproduce Benjamin's original issue with kernel 4.4.0-103-generic #126-Ubuntu: # mount -t ceph :6789:/ /mnt/mycephfs -o name=admin,secret= mount error 5 = Input/output error I don't get this problem with 4.4.0-101-generic #124-Ubuntu. I'm working with Jay Vosburgh to test

[Kernel-packages] [Bug 1737033] Re: upgrading linux-image package to 4.4.0-103.126 breaks Ceph network file system connection

2017-12-08 Thread David Coronel
On the running system after you rollback to the previous kernel, can you paste your /etc/fstab for the filesystems that failed to mount and the corresponding lines from mount -v? I assume the issues are with nfshome and officeshare: cat /etc/fstab | grep -i -e nfshome -e officeshare -e