[Bug 1896784] [NEW] Use Azure host for time keeping in all images

2020-09-23 Thread Joseph Salisbury
Public bug reported: Microsoft would like to request a change to the time keeping method in the Azure images. We would like to request that an Azure image uses the Azure host for time sync by default. This will require the use of the Chrony package. The Chrony package would need to be

[Bug 1895527] [NEW] [linux-azure] [SRU] UBUNTU: SAUCE: Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload

2020-09-14 Thread Joseph Salisbury
Public bug reported: This is a request to inclue a patch, submitted to the upstream linux- hyperv mailing list, in the linux-azure kernels. Microsoft would like to request this patch in the 16.04 (4.15) and newer azure kernels. This patch fixes a prior commit, hence the SRU request: Fixes:

[Bug 1883261] Re: [linux-azure] Two Fixes For kdump Over Network

2020-08-28 Thread Joseph Salisbury
An investigation is currently underway for the issue with the 4.15 kernel. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1883261 Title: [linux-azure] Two Fixes For kdump Over Network To manage

[Bug 1883261] Re: [linux-azure] Two Fixes For kdump Over Network

2020-08-28 Thread Joseph Salisbury
The following link holds test kernels for 5.4, 5.3, and 4.15: https://kernel.ubuntu.com/~kms/azure/lp1883261/ 5.4 was a clean apply, though 5.3 and 4.15 required some changes. Please test to verify the added patches resolve the issue. -- You received this bug notification because you are a

[Bug 1883261] Re: [linux-azure] Two Fixes For kdump Over Network

2020-08-28 Thread Joseph Salisbury
I've been testing with the 4.15 kernel and using the following wiki for guidance of using kdump/ssh: https://ubuntu.com/server/docs/kernel-crash-dump I first confirmed I could kdump to local disk. Next, I configured kdump per the wiki to use ssh. However, everytime I cause a crash, the kexec

[Bug 1891222] Re: Only notify Hyper-V for die events that are oops

2020-08-17 Thread Joseph Salisbury
The requested commit has now landed upstream: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/hv?h=v5.9-rc1=608a973bd52ef1705941b18f55e39655fcfe9cdb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1891222] [NEW] Only notify Hyper-V for die events that are oops

2020-08-11 Thread Joseph Salisbury
Public bug reported: Currently, Hyper-V may be notified of a panic for any die event. However, this results in false panic notifications for various user space traps that are die events. The following commit fixes this by ignoring die events that is not an oops: 608a973bd52e ("Drivers: hv:

[Bug 1883261] [NEW] [linux-azure] Two Fixes For kdump Over Network

2020-06-12 Thread Joseph Salisbury
Public bug reported: Microsoft would like to request two kdump related fixes in all releases supported on Azure. The two commits are: c81992e7f4aa1 ("PCI: hv: Retry PCI bus D0 entry on invalid device state") 83cc3508ffaa6 ("PCI: hv: Fix the PCI HyperV probe failure path to release resource

[Bug 1882268] [NEW] [linux-azure] Request for two CIFS commits in 16.04

2020-06-05 Thread Joseph Salisbury
Public bug reported: There was a previous bug requesting the following two commits in 18.04: 84a1f5b1cc6f ("cifs: Fix potential softlockups while refreshing DFS cache") 2084ed57167c ("CIFS: Only send SMB2_NEGOTIATE command on new TCP connections") There is an issue now, which requires these

[Bug 1879559] Re: net/bpfilter: remove superfluous testing message

2020-06-05 Thread Joseph Salisbury
This message can be ignored. This bogus "testing the buffer" message is something that inadvertently got into upstream code via commit: 13d0f7b814d9 net/bpfilter: fix dprintf usage for /dev/kmsg This message is fixed by the following commit: 41c55ea6c2a7 net/bpfilter: remove superfluous

[Bug 1881787] Re: High rate of packet loss upgrading to kernel 5.3 and later.

2020-06-02 Thread Joseph Salisbury
** Also affects: linux-azure (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1881787 Title: High rate of packet loss upgrading to kernel 5.3 and

[Bug 1881662] [NEW] Add Description To Hyper-V Modules

2020-06-01 Thread Joseph Salisbury
Public bug reported: There are three modules where no description exists causing issues during a customers certification test: hid_hyperv hyperv_keyboard hv_vmbus Three patches exist upstream which fix this issue. The mainline commits are: 64caea53e07f ("HID: hyperv: Add a module description

[Bug 1880975] [NEW] Request to include two NUMA related commits in Azure kernels

2020-05-27 Thread Joseph Salisbury
Public bug reported: Microsoft would like to request the following two commits in all releases supported on Azure: 999dd956d838 ("PCI: hv: Add support for protocol 1.3 and support PCI_BUS_RELATIONS2") f9ad0f361cf3 ("PCI: hv: Decouple the func definition in hv_dr_state from VSP message") These

[Bug 1856375] Re: [linux-azure] Request to autoload mlx4/mlx5 modules for DPDK

2020-05-22 Thread Joseph Salisbury
Additional conversations for the bug are happening in bug 1874544 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856375 Title: [linux-azure] Request to autoload mlx4/mlx5 modules for DPDK To

[Bug 1880032] [NEW] [linux-azure] Enable Hibernation on The 18.04 and 20.04 5.4 Kernels

2020-05-21 Thread Joseph Salisbury
Public bug reported: Microsoft would like to request commits to enable VM hibernation in the Azure 5.4 kernels for 18.04 and 20.04. Some of the commits needed to enable VM hibernation were included in mainline 5.4 and older. However, 24 commits were added in 5.5 and later, which are required in

[Bug 1877647] Re: Make sched clock return nanoseconds correctly

2020-05-21 Thread Joseph Salisbury
For reference, the other commit that fixed this is: e4a58cdd069e6 ("clocksource/drivers/hyper-v: Untangle stimers and timesync from clocksources") -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1877647] Re: Make sched clock return nanoseconds correctly

2020-05-21 Thread Joseph Salisbury
I see the fix is already included in Focal, from a different commit. This bug can be closed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1877647 Title: Make sched clock return nanoseconds

[Bug 1878492] [NEW] Partition naming regression with linux-azure 5.3 kernel

2020-05-13 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: This issue is happening with a Bionic VM on Azure. The VM has a separate data disk mounted in addition to the root disk. The separate data disk is used to hold kernel git repos and is formatted as ext4. After applying the latest Bionic updates, the kernel was upgraded to

[Bug 1878075] [NEW] Request to blacklist floppy for images on Azure

2020-05-11 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: After booting, there's an error message in dmesg: "blk_update_request: I/O error, dev fd0, sector 0" There’s no point in having a floppy driver, and the “I/O error dev fd0 sector 0” messages are distracting where there is no real issue. Blacklisting floppy can avoid this

[Bug 1877654] [NEW] Add XDP support to hv_netvsc driver

2020-05-08 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Microsoft would like to request the following three patches in all releases supported on Azure: 351e1581395fc (“hv_netvsc: Add XDP support”) 12fa74383ed4d (“hv_netvsc: Update document for XDP support”) 184367dce4f7 (“hv_netvsc: Fix XDP refcnt for synthetic and VF NICs”)

[Bug 1877647] [NEW] Make sched clock return nanoseconds correctly

2020-05-08 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The problem was introduced in Linux kernel version 5.4, and was fixed in 5.6. So only users of the 5.4 and 5.5 kernels will see this problem, which means Ubuntu 20.04 at the moment. The fix was backported to upstream stable 5.4, so it should be picked up via stable

[Bug 1876770] [NEW] speed for CX4 VF showing as unknown in ethtool output

2020-05-04 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: While deploying a VM in D series (D8S_V3 and D16S_V3) and enabling accelerated networking, MLX5 drivers are getting installed. However, accelerated networking is not showing as enabled in guest OS. The same VM is showing enabled from portal. The problem is in the Mellanox

[Bug 1875467] [NEW] Enable Invariant TSC Support

2020-04-27 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Microsoft would like to request two commits in all releases supported on Azure. These commits benefit SAP workloads. These requested commits will enable support for Invariant TSC in Linux guest VMs. The invariant TSC means that the TSC continues at a fixed rate regardless

[Bug 1875456] [NEW] Azure diagnostic/serviceability improvement

2020-04-27 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Microsoft would like to request the inclusion of commits in all releases supported on Azure. These commits will enable reporting 4 Kbytes of dmesg information to Hyper-V when Linux takes a panic. Microsoft would like to get all releases reporting this information, so that

[Bug 1874503] [NEW] Mellanox Check For Write Combining Support

2020-04-23 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Microsoft and Mellanox would like to request the following two commits in the releases that run on Azure: 3f89b01f4bba IB/mlx5: Align usage of QP1 create flags with rest of mlx5 defines 11f552e21755 IB/mlx5: Test write combining support These commits landed in mainline as

[Bug 1870189] [NEW] initramfs does not get loaded

2020-04-01 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: A Gen-1 Ubuntu 19.10 VM on Azure was created and upgraded to Ubuntu 20.04 by “do-release-upgrade –d”. Then the latest Ubuntu v5.6 kernel was installed from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.6/. As soon as a reboot was performed, a panic with the v5.6 kernel

[Bug 1869996] Re: Hibernation can NOT work due to incorrect RESUME=

2020-04-01 Thread Joseph Salisbury via ubuntu-bugs
** Also affects: initramfs-tools Importance: Undecided Status: New ** No longer affects: initramfs-tools ** Also affects: linux-azure (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1867220] [NEW] Assignment of VDEV Somtimes Fails using Intel QAT

2020-03-12 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The QAT is a PCIe device which supports SR-IOV. It is used to accelerate the crypto and compression operations by hardware. There is additional info for this hardware on the Intel website:

[Bug 1866407] Re: GPU Driver extension issue (NVIDIA)

2020-03-06 Thread Joseph Salisbury via ubuntu-bugs
The following can be used as a work around: For new VM: Build VM without Nvidia Extension sudo apt-get -o Dpkg::Options::="--force-overwrite" install -y nvidia-440 Apply Nvidia Extension for Linux to VM Continue with setup For existing VM with failed installation: sudo apt-get -o

[Bug 1866407] [NEW] GPU Driver extension issue (NVIDIA)

2020-03-06 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The Nvidia GPU driver cannot be installed for VM size Standard_NC6 but it is correctly installed for Standard_NV6. This is happening on Ubuntu Server 18.04 LTS. To repro this issue: 1. Create a Virtual Machine with image Ubuntu Server 18.04 LTS and size Standard_NC6 2.

[Bug 1864669] [NEW] [linux-azure] overlayfs regression - internal getxattr operations without sepolicy checking

2020-02-25 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Bug description and repro: Run the following commands on host instances: Prepare the overlayfs directories: $ cd /tmp $ mkdir -p base/dir1/dir2 upper olwork merged $ touch base/dir1/dir2/file $ chown -R 10:10 base upper olwork merged Verify that the directory is

[Bug 1864233] [NEW] Commits to resolve high network latency

2020-02-21 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: An issue has been identified with the NETVSC driver on Azure VMs. This issues has been fixed by four patches, which are available in the mainline kernel. The issues is the following: Outgoing traffic is sent from the guest to the Azure host over multiple parallel channels.

[Bug 1863951] [NEW] [linux-azure] Missing user mode io driver - uio_pci_generic

2020-02-19 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: After creating a Lv2 VM (OS - ubuntu 18.04) it was found that uio_pci_generic is missing. It is needed to attach SPDK to nvme disk. The kernel build config file that Canonical provides in Ubuntu 18.04 images shows CONFIG_UIO_PCI_GENERIC=m, indicating that the module was

[Bug 1860603] [NEW] [linux-azure] VMs crashing due to 503 SMB errors

2020-01-22 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Several Azure VMs on AKS and are experiencing some random node restarts. The issues was narrowed down to a NULL pointer dereference in smb2_push_mandatory_locks(). The following commit fixes this issue: 6f582b273ec2 ("CIFS: Fix NULL-pointer dereference in

[Bug 1856605] Re: [linux-azure] Ubuntu 16.04 + INFINIBAND-OPEN-MPI-2VM

2019-12-19 Thread Joseph Salisbury via ubuntu-bugs
Hi Juerg, The tests were pointing at a PPA that had moved. Once the tests were updated to the new PPA, the issue was resolved. This bug can be marked as invalid. ** Changed in: linux-azure (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a

[Bug 1856605] [NEW] [linux-azure] Ubuntu 16.04 + INFINIBAND-OPEN-MPI-2VM

2019-12-16 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: We ran an RDMA test case against gallery image Ubuntu 16.04 (with proposed kernel), and found the below issue. The kernel prior to proposed does not exhibit this bug, so it is a regression: The issue is when ibv_devinfo is run, we get the below info: ibv_devinfo

[Bug 1856375] [NEW] [linux-azure] Request to autoload mlx4/mlx5 modules for DPDK

2019-12-13 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Ubuntu 18.04 images in the marketplace do not automatically load the required mlx drivers. (mlx4_ib|mlx5_ib and mlx4_en|mlx5_en) Someone trying DPDK on Ubuntu 18.04 has raised an issue on Azure DPDK document(https://github.com/MicrosoftDocs/azure-docs/issues/44303). To

[Bug 1855461] Re: [linux-azure] SAUCE patch to "Fix skb protocol value in tpacket_fill_skb()"

2019-12-06 Thread Joseph Salisbury via ubuntu-bugs
** Description changed: The actual fix for this issue would be to backport two related patches that were accepted upstream in Feb/March 2019. But doing a full - backport is complicated because of dependencies on other new code. + backport is complicated because of dependencies on other new

[Bug 1855461] [NEW] [linux-azure] SAUCE patch to "Fix skb protocol value in tpacket_fill_skb()"

2019-12-06 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The actual fix for this issue would be to backport two related patches that were accepted upstream in Feb/March 2019. But doing a full backport is complicated because of dependencies on other new code. Instead of a full backport of these patches, a SAUCE patch was generated

[Bug 1853014] Re: GPU device disable/enable test failure

2019-11-18 Thread Joseph Salisbury via ubuntu-bugs
** Attachment added: "dmesg" https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1853014/+attachment/5306229/+files/dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853014 Title: GPU

[Bug 1853014] Re: GPU device disable/enable test failure

2019-11-18 Thread Joseph Salisbury via ubuntu-bugs
** Attachment added: "pipeline-cloudtest-manual_2110.msg" https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1853014/+attachment/5306232/+files/pipeline-cloudtest-manual_2110.msg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to

[Bug 1853014] Re: GPU device disable/enable test failure

2019-11-18 Thread Joseph Salisbury via ubuntu-bugs
** Attachment added: "syslog" https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1853014/+attachment/5306233/+files/syslog -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853014 Title:

[Bug 1853014] [NEW] GPU device disable/enable test failure

2019-11-18 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: We found a GPU device disable/enable test failure, and it is related to below call trace. When GPU device is disable, this call-trace happens at the device disable step. The system does not panic but the driver is not loaded back. %echo 1 >

[Bug 1853014] Re: GPU device disable/enable test failure

2019-11-18 Thread Joseph Salisbury via ubuntu-bugs
** Attachment added: "pipeline-cloudtest-manual_2110.msg" https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1853014/+attachment/5306231/+files/pipeline-cloudtest-manual_2110.msg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to

[Bug 1853014] Re: GPU device disable/enable test failure

2019-11-18 Thread Joseph Salisbury via ubuntu-bugs
** Attachment added: "pipeline-cloudtest-manual_2109.msg" https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1853014/+attachment/5306230/+files/pipeline-cloudtest-manual_2109.msg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to

[Bug 1848739] Re: [linux-azure] Patch to prevent possible data corruption

2019-11-13 Thread Joseph Salisbury via ubuntu-bugs
Yes we need that patch. The commit description is misleading, as this commit actually fixes a bug on data corruption for SCSI devices. In the latest Ubuntu 4.15 kernel, __blk_mq_try_issue_directly() (in "block/blk-mq.c") calls blk_mq_sched_insert_request() if q->mq_ops->queue_rq() returns

[Bug 1850185] Re: [linux-azure] 19.04 regression of KDUMP

2019-10-29 Thread Joseph Salisbury via ubuntu-bugs
This bug only affects kdump on 19.04 and not the 5.0 kernel on 18.04. Since this is the case, I'll close this bug since 19.04 is EOL soon. ** Changed in: linux-azure (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1850185] [NEW] [linux-azure] 19.04 regression of KDUMP

2019-10-28 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: By default our test cases use DS1_v2 to test KDUMP, when we trigger a kernel panic, the VM enters into emergency mode, which can be seen on the serial console. This issue can be resolved if the VM is resized from DS1_v2 (1 vcpus, 3.5 GiB memory) to DS12_v2 (4 vcpus, 28 GiB

[Bug 1849495] [NEW] [linux-azure] Add ability to change scsi queue depth

2019-10-23 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Microsoft would like to request the following patch in the 16.04 and 18.04 Azure kernels: adfbd028e155 ("scsi: storvsc: Add ability to change scsi queue depth") This patch will add functionality to allow the SCSI queue depth to be changed by utilizing the

[Bug 1848739] [NEW] [linux-azure] Patch to prevent possible data corruption

2019-10-18 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: There are three patches that prevent possible data corruption. The three commits are: aef1897cd36d ("blk-mq: insert rq with DONTPREP to hctx dispatch list when requeue") c616cbee97ae ("blk-mq: punt failed direct issue to dispatch list") 923218f6166a ("blk-mq: don't

[Bug 1847139] [NEW] [linux-azure] Request of mainline commit f73f8a504e27 in azure 16.04 and 18.04

2019-10-07 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Microsoft would like to request the following mainline commit be added to linux-azure 16.04 and 18.04: f73f8a504e27 PCI: hv: Use bytes 4 and 5 from instance ID as the PCI domain numbers This commit was added to mainline in v5.4-rc1~63^2~8^2 This was recommended by Azure

[Bug 1846485] [NEW] lttng causes crash with 5.0 based kernel

2019-10-03 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: There is a regression with the 5.0 based kernel. The following is the good and bad kernels: OS Status Kernel veriosn 18.04.201906170 BAD Linux nt100 5.0.0-1014-azure 18.04.201906040 GOOD Linux nt100 4.18.0-1020-azure The crash can be

[Bug 1840189] [NEW] Four Mellanox Patches needed for kernels that have that have SRIOV

2019-08-14 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The following and their prerequisites should be applied to all releases that have SRIOV. The patches originated from Mellanox. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/infiniband/hw/mlx5?id=e5366d309a772fef264ec85e858f9ea46f939848

[Bug 1837661] Re: [linux-azure] CRI-RDOS | Live migration only takes 10 seconds, but the VM was unavailable for 2 hours

2019-08-14 Thread Joseph Salisbury via ubuntu-bugs
These commits are not needed in the 4.15 kernel. The only kernels that need the fixes are the ones that include the following commit: a15f2c08c708 ("PCI: hv: support reporting serial number as slot information") -- You received this bug notification because you are a member of Ubuntu Bugs,

[Bug 1839673] Re: [linux-azure] Important InfiniBand patches for Ubuntu 18.04

2019-08-09 Thread Joseph Salisbury via ubuntu-bugs
** Description changed: The following two patches are critical for unblocking kernel sign-off for the 5.0 kernel in Ubuntu 18.04: ("Don't wait in hvnd_query_gid after interface is already bound to ND") ("Expose extended attributes for user IB verbs QUERY_DEVICE, CREATE_CQ and

[Bug 1839673] [NEW] [linux-azure] Important InfiniBand patches for Ubuntu 18.04

2019-08-09 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The following two patches are critical for unblocking kernel sign-off for the 5.0 kernel in Ubuntu 18.04: ("Don't wait in hvnd_query_gid after interface is already bound to ND") ("Expose extended attributes for user IB verbs QUERY_DEVICE, CREATE_CQ and CREATE_QP") The

[Bug 1839673] Re: [linux-azure] Important InfiniBand patches for Ubuntu 18.04

2019-08-09 Thread Joseph Salisbury via ubuntu-bugs
** Patch added: "0002-Expose-extended-attributes-for-user-IB-verbs-QUERY_D.patch" https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1839673/+attachment/5281841/+files/0002-Expose-extended-attributes-for-user-IB-verbs-QUERY_D.patch -- You received this bug notification because you

[Bug 1839673] Re: [linux-azure] Important InfiniBand patches for Ubuntu 18.04

2019-08-09 Thread Joseph Salisbury via ubuntu-bugs
** Patch added: "0001-Don-t-wait-in-hvnd_query_gid-after-interface-is-alre.patch" https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1839673/+attachment/5281840/+files/0001-Don-t-wait-in-hvnd_query_gid-after-interface-is-alre.patch -- You received this bug notification because you

[Bug 1837661] [NEW] [linux-azure] CRI-RDOS | Live migration only takes 10 seconds, but the VM was unavailable for 2 hours

2019-07-23 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: Can you please pick up the following 4 patches? They resolve this live migration that was reported by a mutual customer. PCI: hv: Add pci_destroy_slot() in pci_devices_present_work(), if necessary PCI: hv: Add hv_pci_remove_slots() when we unload the driver PCI: hv: Fix a

[Bug 1835322] Re: [linux-azure] panic in ext4_resize_fs() found during storage testing

2019-07-22 Thread Joseph Salisbury via ubuntu-bugs
** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1835322 Title: [linux-azure] panic in ext4_resize_fs() found

[Bug 1831268] Re: Ubuntu 19.04: Random SR-IOV issues

2019-07-16 Thread Joseph Salisbury via ubuntu-bugs
This issues is due to a test case bug. Please close. ** Changed in: linux-azure (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1831268 Title: Ubuntu 19.04:

[Bug 1835322] [NEW] [linux-azure] panic in ext4_resize_fs() found during storage testing

2019-07-03 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: A panic was observed during file system testing. The trace is the following: [ 8783.243586] kernel BUG at /build/linux-azure-3iFJ9j/linux-azure-4.18.0/fs/ext4/resize.c:266! [ 8783.252751] invalid opcode: [#1] SMP PTI [ 8783.256735] CPU: 7 PID: 39476 Comm: resize2fs

[Bug 1834499] [NEW] [linux-azure] Block Layer Commits Requested in Azure Kernels

2019-06-27 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: We would like to request the following two commits in the 16.04 and 18.04 linux-azure kernels: f3587d76da05 ("block: Clear kernel memory before copying to user") f55adad601c6 ("block/bio: Do not zero user pages") These commits are in mainline as of v4.20 and have been cc'd

[Bug 1834364] Re: [linux-azure] Potential Hyper-V infoleak in NVMe Direct

2019-06-27 Thread Joseph Salisbury via ubuntu-bugs
** Information type changed from Private Security to Public Security -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1834364 Title: [linux-azure] Potential Hyper-V infoleak in NVMe Direct To manage

[Bug 1831268] [NEW] Ubuntu 19.04: Random SR-IOV issues

2019-05-31 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: No VFs inside the VM. Unfortunately this issue doesn’t have a 100% repro. Sometimes all the VFs are missing, other times a few are available and the rest are missing. The best test case to catch this issue is VERIFY-ENABLE-DISABLE-SRIOV- ON-EXISTING-VM. Comparing the logs

[Bug 1831254] [NEW] [linux-azure] XDP generic fixes

2019-05-31 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: These two commits were needed to to get XDP working on Azure. This set of patches came about while investigating and XDP generic issue on Azure. The split brain nature of the accelerated networking exposed issues with the stack device model. The following two commits are

[Bug 1830740] [NEW] [linux-azure] Delay during boot of some instance sizes

2019-05-28 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: We are seeing a long delay, about 100s, when booting new E32s_v3 VMs. We don’t see this delay with smaller sized Ubuntu VMs(D2s and NC6 sizes). I attached a screen shot of the boot delay. You can see between 7.022911 and 101.325958 seconds there is no activity. **

[Bug 1830266] [NEW] [linux-azure] Please Include Mainline Commit ebaf39e6032f in the 16.04 and 18.04 linux-azure kernels

2019-05-23 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: A team within Microsoft is running the linux-azure Ubuntu kernel on a large AI cluster. They are hitting an issue which is resolved by the following commit: https://github.com/torvalds/linux/commit/ebaf39e6032faf77218220707fc3fa22487784e0 The bug is that threads can get

[Bug 1830242] Re: [linux-azure] Commits Requested in 16.04 for the Azure Kernel

2019-05-23 Thread Joseph Salisbury via ubuntu-bugs
** Summary changed: - [linux-azure] Commits Requested in 16.04 and 18.04 for Azure Kernel + [linux-azure] Commits Requested in 16.04 for the Azure Kernel -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1830242] [NEW] [linux-azure] Commits Requested in 16.04 for the Azure Kernel

2019-05-23 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The 4.15 kernel require three patches for NVMe, those patches are required to get to the target number of IOPS. The commits are: 7ac257b862f2c (“blk-mq: remove the request_list usage”) f9dde187fa921 ("nvme-pci: remove cq check after submission") 1ab0cd6966fc4 ("nvme-pci:

[Bug 1828248] Re: [linux-azure] Storage performance drop on RAID

2019-05-14 Thread Joseph Salisbury via ubuntu-bugs
Yes, that is correct. Comment #6. Sorry for the typo. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828248 Title: [linux-azure] Storage performance drop on RAID To manage notifications about

[Bug 1828248] Re: [linux-azure] Storage performance drop on RAID

2019-05-14 Thread Joseph Salisbury via ubuntu-bugs
@marcelo, we do want the changes requested in comment #5 in bug 1819689. We can wait for the results of Long Li's investigation before proceeding there. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1828248] Re: [linux-azure] Storage performance drop on RAID

2019-05-13 Thread Joseph Salisbury via ubuntu-bugs
This patch was intended to increase performance, not reduce it. Is it too late to revert it? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828248 Title: [linux-azure] Storage performance drop on

[Bug 1828248] Re: [linux-azure] Storage performance drop on RAID

2019-05-13 Thread Joseph Salisbury via ubuntu-bugs
@Marcelo Cerri, just to confirm, the test kernel posted in comment #6 only had commit 7ac257b862f2c reverted? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828248 Title: [linux-azure] Storage

[Bug 1819689] Re: [linux-azure] Commit To Improve NVMe Performance

2019-05-09 Thread Joseph Salisbury via ubuntu-bugs
It was found that 4.15 has a couple more patches missing for NVMe, those patches are required to get to the target number of IOPS. The commits are: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/nvme/host/pci.c?h=v5.1=f9dde187fa921c12a8680089a77595b866e65455

[Bug 1819689] Re: [linux-azure] Commit To Improve NVMe Performance

2019-05-09 Thread Joseph Salisbury via ubuntu-bugs
If it would be best, I can open a new bug for those two additional commits. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1819689 Title: [linux-azure] Commit To Improve NVMe Performance To manage

[Bug 1828248] Re: [linux-azure] Storage performance drop on RAID

2019-05-09 Thread Joseph Salisbury via ubuntu-bugs
This commit was also added to the Ubuntu-azure-4.18.0-1017 kernel. Are we seeing expected performing with that kernel? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828248 Title: [linux-azure]

[Bug 1828248] Re: [linux-azure] Storage performance drop on RAID

2019-05-09 Thread Joseph Salisbury via ubuntu-bugs
The following commit was added in bug fa55b5d226dd. 7ac257b862f2c (“blk-mq: remove the request_list usage”) This commit cleans up unused code in block-mq (mq uses pre-allocated tags to allocate request, not request_list as it's used only in legacy queue). A test kernel with a revert of this

[Bug 1828248] Re: [linux-azure] Storage performance drop on RAID

2019-05-09 Thread Joseph Salisbury via ubuntu-bugs
The bug number from comment one should have been bug 1819689 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828248 Title: [linux-azure] Storage performance drop on RAID To manage notifications

[Bug 1828101] [NEW] [linux-azure] Disk Partition Issue

2019-05-07 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: In testing with the “Canonical UbuntuServer 19.04 latest” image from the Azure Marketplace, we’re seeing these lines output in dmesg: lisa@LISAv2-OneVM8NIC-v-stlups-AQ63-20190507075423-role-0:~$ dmesg | grep GPT [ 17.228278] GPT:Primary header thinks Alt. header is not at

[Bug 1827916] Re: Enable eBPF JIT in the linux-azure kernels

2019-05-06 Thread Joseph Salisbury via ubuntu-bugs
This request is for the 16.04 and 18.04 kernels. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1827916 Title: Enable eBPF JIT in the linux-azure kernels To manage notifications about this bug go

[Bug 1827916] [NEW] Enable eBPF JIT in the linux-azure kernels

2019-05-06 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: eBPF is available as of kernel version 4.15, which is used on AKS nodes. Enabling JIT eBPF (built-in kernel feature) will speed-up execution of eBPF aware tools. eBPF JIT is controlled by the file /proc/sys/net/core/bpf_jit_enable. More details for eBPF JIT -

[Bug 1824879] Re: linux-azure: Add the Catapult FPGA Driver

2019-04-30 Thread Joseph Salisbury via ubuntu-bugs
** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1824879 Title: linux-azure: Add the Catapult FPGA Driver To manage

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

2019-04-25 Thread Joseph Salisbury via ubuntu-bugs
I still haven't been able to reproduce this. If you can reproduce this easily, maybe I can provide some kernels to be tested? I'll keep trying to reproduce here. I compared my VM settings to why is in the bug description, and I have the same config, except the region. I wouldn't think that

[Bug 1826416] [NEW] [Xenial] Customer can not SSH to Linux VM due to "VSC State Unhealthy"

2019-04-25 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: A mutual customer is reporting ssh is not working on a Xenial based VM. This VM is running the 4.4 based Xenial kernel and not a custom linux- azure kernel. After an investigation this is a known old signaling issue. The 4.4 based Xenial kernels require the following patch:

[Bug 1823805] Re: The 4.18.0-1015.15 Azure Kernel Panics Due to Missing Commit

2019-04-08 Thread Joseph Salisbury via ubuntu-bugs
** Description changed: - The following commit was requested in the 18.04 Bionic kernel for Azure: + The following commit is requested in the 18.04 Bionic kernel for Azure: c967590457ca scsi: storvsc: Fix a race in sub-channel creation that can cause panic This commit was included when it

[Bug 1823805] Re: The 4.18.0-1015.15 Azure Kernel Panics Due to Missing Commit

2019-04-08 Thread Joseph Salisbury via ubuntu-bugs
And looking a little further, commit ae6935ed7d42(Bionic commit c40598d9e67c) was added per bug 1812123 for DPDK. In that bug, we requested two commits: b5679cebf780 ("vmbus: fix subchannel removal") 5e3c420dcca5 ("uio_hv_generic: set callbacks on open") However, commit b5679cebf780 is a fix

[Bug 1823805] Re: The 4.18.0-1015.15 Azure Kernel Panics Due to Missing Commit

2019-04-08 Thread Joseph Salisbury via ubuntu-bugs
The reason this missing commit is now causing a panic is because it Fixes the following commit, which is added by 4.18.0-1015: c40598d9e67c vmbus: split ring buffer allocation from open git describe --contains c40598d9e67c Ubuntu-azure-4.18.0-1015.15_18.04.1~57 -- You received this bug

[Bug 1823805] [NEW] The 4.18.0-1015.15 Azure Kernel Panics Due to Missing Commit

2019-04-08 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: The following commit was requested in the 18.04 Bionic kernel for Azure: c967590457ca scsi: storvsc: Fix a race in sub-channel creation that can cause panic This commit was included when it was requested in bug 1805304. However, the 18.04 Bionic kernel for Azure was based

[Bug 1747463] Re: kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X

2019-04-08 Thread Joseph Salisbury via ubuntu-bugs
** Changed in: linux (Ubuntu) Assignee: Joseph Salisbury (jsalisbury) => (unassigned) ** Changed in: linux (Ubuntu Bionic) Assignee: Joseph Salisbury (jsalisbury) => (unassigned) ** Changed in: linux (Ubuntu Cosmic) Assignee: Joseph Salisbury (jsalisbury) => (unassigned)

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

2019-04-03 Thread Joseph Salisbury via ubuntu-bugs
I modified your script to perform 5000 reboots. I'm up to 3508 reboots now without hitting the bug. I'll let it run for a while longer. I'll also compare our environments to see if there is a difference. -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1821934] Re: [Hyper-V] Enable CONFIG_HOTPLUG_CPU in linux-azure

2019-04-02 Thread Joseph Salisbury via ubuntu-bugs
Will do. Thanks, Marcelo! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821934 Title: [Hyper-V] Enable CONFIG_HOTPLUG_CPU in linux-azure To manage notifications about this bug go to:

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

2019-03-29 Thread Joseph Salisbury via ubuntu-bugs
Thanks Sean and Colin! I'm going to see if I can reproduce it. If I can, I do the usual investigation to see if its a regression, fixed upstream and if a bisect will help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

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

2019-03-28 Thread Joseph Salisbury via ubuntu-bugs
Are you able to share the script that reporduces this bug and bug 1822133? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822118 Title: Kernel Panic while rebooting cloud instance To manage

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

2019-03-28 Thread Joseph Salisbury via ubuntu-bugs
** Tags added: kernel-hyper-v -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822118 Title: Kernel Panic while rebooting cloud instance To manage notifications about this bug go to:

[Bug 1822133] Re: Azure Instance never recovered during series of instance reboots.

2019-03-28 Thread Joseph Salisbury via ubuntu-bugs
** Tags added: kernel-hyper-v -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822133 Title: Azure Instance never recovered during series of instance reboots. To manage notifications about this bug

[Bug 1821934] Re: [Hyper-V] Enable CONFIG_HOTPLUG_CPU in linux-azure

2019-03-27 Thread Joseph Salisbury via ubuntu-bugs
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821934 Title: [Hyper-V] Enable CONFIG_HOTPLUG_CPU in linux-azure To manage notifications

[Bug 1804054] Re: [Hyper-V] kdump is broken on trusty with linux-azure 4.15.0-1032 kernel

2019-03-25 Thread Joseph Salisbury via ubuntu-bugs
** Changed in: linux-azure (Ubuntu) Status: Triaged => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1804054 Title: [Hyper-V] kdump is broken on trusty with linux-azure 4.15.0-1032

[Bug 1821378] [NEW] [linux-azure] Include mainline commits fc96df16a1ce and ba50bf1ce9a5 in Azure kernel

2019-03-22 Thread Joseph Salisbury via ubuntu-bugs
Public bug reported: This is a request to include the following two commits in 16.04 and 18.04 linux-azure: fc96df16a1ce ("Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels") ba50bf1ce9a5 ("Drivers: hv: vmbus: Check for ring when getting debug info") Both commits are

[Bug 1814069] Re: kernel linux-image-4.15.0-44 not booting on Hyperv Server 2008R2

2019-03-14 Thread Joseph Salisbury via ubuntu-bugs
** Tags added: kernel-hyper-v -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1814069 Title: kernel linux-image-4.15.0-44 not booting on Hyperv Server 2008R2 To manage notifications about this bug

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