[Kernel-packages] [Bug 1771480] Re: WARNING: CPU: 28 PID: 34085 at /build/linux-90Gc2C/linux-3.13.0/net/core/dev.c:1433 dev_disable_lro+0x87/0x90()

2018-05-15 Thread Nivedita Singhvi
The warning message: "failed to disable LRO!" is coming from the function dev_disable_lro(): /** * dev_disable_lro - disable Large Receive Offload on a device * @dev: device * * Disable Large Receive Offload (LRO) on a net device. Must be * called under RTNL. This is

[Kernel-packages] [Bug 1753662] Re: [i40e] LACP bonding start up race conditions

2018-06-11 Thread Nivedita Singhvi
Jeff, Please do provide your logs and whatever other information you can share from your error case, any piece of info will help here. I do not yet have a repro environment myself. I suspect that most of the changes which seem to help or fix the issue are simply changing the timing enough to

[Kernel-packages] [Bug 1753662] Re: [i40e] LACP bonding start up race conditions

2018-06-07 Thread Nivedita Singhvi
Hi Joseph, We're continuing the investigation into this issue, and I was wondering if you and Nabuto could provide what the last point you had reached was, and/or next step you were going to do. >From what I can summarize (please confirm/correct): * Artful (4.13.*) kernels (with any Artful

[Kernel-packages] [Bug 1753662] Re: [i40e] LACP bonding start up race conditions

2018-06-11 Thread Nivedita Singhvi
I would have thought this would be the relevant patch: bonding: speed/duplex update at NETDEV_UP event Mahesh Bandewar authored and davem330 committed on Sep 28, 2017 1 parent b5c7d4e commit 4d2c0cda07448ea6980f00102dc3964eb25e241c However, it was first available in v4.15-rc1. At least as far

[Kernel-packages] [Bug 1781413] [NEW] Cannot set MTU higher than 1500 in Xen instance

2018-07-12 Thread Nivedita Singhvi
Public bug reported: [Impact] The latest Xenial update has broken MTU functionality in Xen: specifically, setting MTUs larger than 1500 fails. This prevents Jumbo Frames and other features which require larger than 1500 byte MTUs from being used. This can lead to a failure to sync/connect to

[Kernel-packages] [Bug 1800254] Re: packet socket panic in Trusty 3.13.0-157 and later

2018-11-07 Thread Nivedita Singhvi
We (Canonical Support and Sustaining Engineering) have independently tested fix. The original reporter to us has also tested and verified fix (-proposed package). ** Tags added: verification-done-trusty -- You received this bug notification because you are a member of Kernel Packages, which

[Kernel-packages] [Bug 1794232] [NEW] Geneve tunnels don't work when ipv6 is disabled

2018-09-25 Thread Nivedita Singhvi
Public bug reported: [Impact] When attempting to create a geneve tunnel on Ubuntu 16.04 Xenial, in an OS environment with open vswitch, where ipv6 has been disabled, the create fails with the error : “ovs-vsctl: Error detected while setting up 'geneve0': could not add network device geneve0

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2018-09-25 Thread Nivedita Singhvi
Logs not necessary at this time, will attach patches and other information as needed. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-27 Thread Nivedita Singhvi
We now believe this to be the case. The above is an issue of new HW enablement. I believe this can be closed Will Not Fix. For standard kernels, enablement available via the -hwe kernel upgrade. For FIPS kernels, new HW enablement is not expected to be backported/patched in existing

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-20 Thread Nivedita Singhvi
There are some similar issues out there: https://feeding.cloud.geek.nz/posts/recovering-from-unbootable-ubuntu- encrypted-lvm-root-partition/ https://bugs.launchpad.net/ubuntu/+source/xubuntu-meta/+bug/1801629 -- You received this bug notification because you are a member of Kernel Packages,

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-20 Thread Nivedita Singhvi
One check to see if the above is the issue: 1. dpkg -l | grep crypt 2. dpkg -l | grep lvm If lvm2 is not installed, for instance, it should be possible to do the following to fix the problem: 1. # apt install lvm2 2. # update-initramfs -c -k all -- You received this bug notification because

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-20 Thread Nivedita Singhvi
Or the missing crypto packages (I should have added). It's not likely the second URL above. -- 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/1809168 Title: FIPS and Ubuntu standard

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-20 Thread Nivedita Singhvi
v4.10 Final < FAILS v4.11-rc1 < WORKS -- 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/1809168 Title: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-21 Thread Nivedita Singhvi
This issue is not any of the above mentioned bugs, after some checking. This is possibly enablement of new HW as BradF suggested might be the case, and Dan Streetman identified the driver/device in question. Driver: megaraid_sas PCI dev id: 0016 #define PCI_DEVICE_ID_LSI_HARPOON 0x0016 All

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-19 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu) Importance: Undecided => High -- 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/1809168 Title: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot;

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-19 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1809168 Title: FIPS and Ubuntu standard kernels prior to 4.11.0 won't

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-19 Thread Nivedita Singhvi
** Attachment added: "Commit list for the artful window where fix went in" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1809168/+attachment/5223616/+files/Ubuntu-4.10.0-26.30---Ubuntu-4.11.0-0.5---commitlist -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1809168] [NEW] FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-19 Thread Nivedita Singhvi
Public bug reported: [IMPACT] Booting of the Xenial-based FIPS kernel packages failed with disk not found errors on amd64. This was also observed on standard Ubuntu kernels prior to 4.11.0. FIPS -- 1. linux-image-4.4.0-1002-fips <-- FAIL 2. linux-image-4.4.0-1006-fips <-- FAIL UBUNTU

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-19 Thread Nivedita Singhvi
Thanks, Joe. I'll update this bug as soon as I get the results from the reporter. -- 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/1809168 Title: FIPS and Ubuntu standard kernels prior to

[Kernel-packages] [Bug 1809168] Re: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not found

2018-12-19 Thread Nivedita Singhvi
The disk in question is a PERC_H740P_Adp. -- 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/1809168 Title: FIPS and Ubuntu standard kernels prior to 4.11.0 won't boot; root device not

[Kernel-packages] [Bug 1820948] Re: i40e xps management broken when > 64 queues/cpus

2019-04-03 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu) Status: In Progress => Fix Released -- 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/1820948 Title: i40e xps management broken when > 64 queues/cpus

[Kernel-packages] [Bug 1820948] Re: i40e xps management broken when > 64 queues/cpus

2019-03-26 Thread Nivedita Singhvi
Submitted patches for SRU. ** Description changed: [Impact] Transmit packet steering (xps) settings don't work when the number of queues (cpus) is higher than 64. This is currently still an issue on the 4.15 kernel (Xenial -hwe - and Bionic kernels). + and Bionic kernels). It was

[Kernel-packages] [Bug 1820948] Re: i40e xps management broken when > 64 queues/cpus

2019-03-31 Thread Nivedita Singhvi
I'm still trying to confirm this for Xenial. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1820948 Title: i40e xps management broken when > 64 queues/cpus Status in linux package in

[Kernel-packages] [Bug 1779756] Re: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04)

2019-04-07 Thread Nivedita Singhvi
I have installed and booted to this kernel, and ensured no new regression introduced, although I cannot repro the issue. ** Tags removed: 4.15.0-24-generic cosmic kernel verification-needed-bionic verification-needed-cosmic ** Tags added: verification-done-bionic verification-done-cosmic **

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-03-25 Thread Nivedita Singhvi
I am not sure we could deterministically provoke the issue. At the very least to ensure no other regression was introduced, I would run it under heavy network load. The environment in question which saw the issue had network load, contention for cpus and several other issues occur. The basic

[Kernel-packages] [Bug 1779756] Re: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04)

2019-03-04 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi) ** Changed in: linux (Ubuntu Cosmic) Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi) ** Changed in: linux (Ubuntu Bionic) Status: Confirmed => In Progress *

[Kernel-packages] [Bug 1779756] Re: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04)

2019-03-04 Thread Nivedita Singhvi
We have a user who has been successfully running under load with the test kernel provided here which was patched with the following two commits: "i40e: Fix for Tx timeouts when interface is brought up if DCB is enabled" Commit: fa38e30ac73fbb01d7e5d0fd1b12d412fa3ac3ee "i40e: prevent overlapping

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-02-21 Thread Nivedita Singhvi
** Description changed: + [Impact] + + The bnxt_en_bpo driver experienced tx timeouts causing the system to + experience network stalls and fail to send data and heartbeat packets. + The following 25Gb Broadcom NIC error was seen on Xenial running the 4.4.0-141-generic kernel on an amd64

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-02-21 Thread Nivedita Singhvi
If anyone is interested and willing to test a 4.4 kernel patched with the fix "bnxt_en: Fix TX timeout during netpoll" backported to the bnxt_en_bpo driver, please find the packages here: http://people.canonical.com/~nivedita/bpo/ -- You received this bug notification because you are a member

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-02-22 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu Xenial) Status: New => Confirmed ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-03-03 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu Xenial) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-03-03 Thread Nivedita Singhvi
Terry, We've had a lot of discussion over this bug. It does not have a reliable reproducer, and I have not yet received any acks on testing of the above. Our thinking was that it was still better to patch it since it has been seen by the mainline driver as well and we'd like to avoid a

[Kernel-packages] [Bug 1820948] [NEW] i40e xps management broken when > 64 queues/cpus

2019-03-19 Thread Nivedita Singhvi
Importance: High Status: Confirmed ** Affects: linux (Ubuntu Bionic) Importance: High Assignee: Nivedita Singhvi (niveditasinghvi) Status: Confirmed ** Tags: bionic ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Cha

[Kernel-packages] [Bug 1820948] Re: i40e xps management broken when > 64 queues/cpus

2019-03-19 Thread Nivedita Singhvi
It's been reported by an external reporter and reproduced internally. -- 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/1820948 Title: i40e xps management broken when > 64 queues/cpus

[Kernel-packages] [Bug 1779756] Re: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04)

2019-03-19 Thread Nivedita Singhvi
** Description changed: - Today Ubuntu 16.04 LTS Enablement Stacks has moved from the Kernel 4.13 - to the Kernel 4.15.0-24-generic. + [Impact] + The i40e driver can get stalled on tx timeouts. This can happen when + DCB is enabled on the connected switch. This can also trigger a + second

[Kernel-packages] [Bug 1779756] Re: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04)

2019-03-19 Thread Nivedita Singhvi
** Tags added: bionic cosmic -- 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/1779756 Title: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04) Status in linux

[Kernel-packages] [Bug 1779756] Re: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04)

2019-03-19 Thread Nivedita Singhvi
Submitted SRU request -- 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/1779756 Title: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04) Status in linux package in

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-03-22 Thread Nivedita Singhvi
Just briefly wanted to say that this is one we've discussed at length -- we may not be able to get someone who has the right NIC to test with it in time. I'm sanity checking the kernel, but that is not exercising the key change here. If we could assume verification-done for our purposes

[Kernel-packages] [Bug 1820948] Re: i40e xps management broken when > 64 queues/cpus

2019-03-22 Thread Nivedita Singhvi
Will be submitting SRU request early next week; trying to get it into this next kernel release cycle. ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi) ** Changed in: linux (Ubuntu Bionic) Status: Confirmed => In Progress ** C

[Kernel-packages] [Bug 1779756] Re: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04)

2019-02-11 Thread Nivedita Singhvi
Any update on a Bionic fix? -- 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/1779756 Title: Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04) Status in linux

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-01-31 Thread Nivedita Singhvi
** Attachment added: "kern.log.excerpt-netdev-watchdog-timeout.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814095/+attachment/5234643/+files/kern.log.excerpt-netdev-watchdog-timeout.txt -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1814095] [NEW] bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-01-31 Thread Nivedita Singhvi
Public bug reported: The following 25Gb Broadcom NIC error was seen on Xenial running the 4.4.0-141-generic kernel on an amd64 host seeing moderate-heavy network traffic (just once): * The bnxt_en_po driver froze on a "TX timed out" error and triggered the Netdev Watchdog timer under load. *

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-01-31 Thread Nivedita Singhvi
Due to earlier NIC flapping observed on systems for the 25Gb Broadcom NIC, with originally the following config, the firmware was upgraded to avoid a known FW bug: $ cat ethtool_-i_enp59s0f1d1 driver: bnxt_en_bpo version: 1.8.1 firmware-version: 20.8.163/1.8.4 pkg 20.08.04.03

[Kernel-packages] [Bug 1814095] Re: bnxt_en_po: TX timed out triggering Netdev Watchdog Timer

2019-01-31 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1814095 Title: bnxt_en_po: TX timed out triggering Netdev Watchdog

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-04-16 Thread Nivedita Singhvi
** Changed in: linux (Ubuntu Disco) Status: In Progress => Fix Released ** Description changed: [Impact] When attempting to create a geneve tunnel on Ubuntu 16.04 Xenial, in an OS environment with open vswitch, where ipv6 has been disabled, the create fails with the error :

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-04-17 Thread Nivedita Singhvi
** Description changed: SRU Justification Impact: Cannot create geneve tunnels if ipv6 is disabled dynamically. Fix: Fixed by upstream commit in v5.0: Commit: cf1c9ccba7308e48a68fa77f476287d9d614e4c7 "geneve: correctly handle ipv6.disable module parameter" - Hence available

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-04-17 Thread Nivedita Singhvi
** Description changed: [Impact] When attempting to create a geneve tunnel on Ubuntu 16.04 Xenial, in an OS environment with open vswitch, where ipv6 has been disabled, the create fails with the error : “ovs-vsctl: Error detected while setting up 'geneve0': could not add network

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-04-17 Thread Nivedita Singhvi
** Description changed: + SRU Justification + + Impact: Cannot create geneve tunnels if ipv6 is disabled dynamically. + + Fix: + Fixed by upstream commit in v5.0: + Commit: cf1c9ccba7308e48a68fa77f476287d9d614e4c7 + "geneve: correctly handle ipv6.disable module parameter" + + Hence available

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-04-17 Thread Nivedita Singhvi
** Tags added: cosmic xenial -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1794232 Title: Geneve tunnels don't work when ipv6 is disabled Status in linux package in Ubuntu: Fix

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-04-17 Thread Nivedita Singhvi
Submitted SRU request for Bionic, Cosmic. Huge thanks for the testing, Matthew! -- 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/1794232 Title: Geneve tunnels don't work when ipv6 is

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-04-16 Thread Nivedita Singhvi
Importance: High Status: In Progress ** Changed in: linux (Ubuntu Cosmic) Status: New => In Progress ** Changed in: linux (Ubuntu Disco) Assignee: (unassigned) => Nivedita Singhvi (niveditasinghvi) ** Changed in: linux (Ubuntu Cosmic) Assignee: (unassigned) => Nivedita

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-05-07 Thread Nivedita Singhvi
Resubmitted SRU for B,C for this kernel 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/1794232 Title: Geneve tunnels don't work when ipv6 is disabled Status in linux package in

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-05-09 Thread Nivedita Singhvi
A 4.4 test kernel with the fix backported is available at: https://people.canonical.com/~nivedita/geneve-xenial-test/ if anyone wishes to validate the 4.4 X solution. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1820948] Re: i40e xps management broken when > 64 queues/cpus

2019-05-14 Thread Nivedita Singhvi
Late update, but the original reporter did test the proposed kernel on systems able to reproduce the problem and were tested successfully. We do not yet have a way of reproducing this on Xenial (i.e, any 4.4 kernel). I'm still leaving this an open issue, will be trying to do this and once we can

[Kernel-packages] [Bug 1794232] Re: Geneve tunnels don't work when ipv6 is disabled

2019-05-21 Thread Nivedita Singhvi
Bionic, Cosmic kernels successfully tested. I've updated the tags. ** Tags removed: verification-needed-bionic verification-needed-cosmic ** Tags added: verification-done-bionic verification-done-cosmic -- You received this bug notification because you are a member of Kernel Packages, which