[Sts-sponsors] [Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-09 Thread Matthew Ruffell
Attached is a revised debdiff for sssd for Bionic. ** Patch added: "sssd debdiff for Bionic v2" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432867/+files/lp1868703_sssd_bionic_v2.debdiff -- You received this bug notification because you are a member of STS

[Sts-sponsors] [Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-09 Thread Matthew Ruffell
Attached is a revised debdiff for sssd for Focal. ** Patch added: "sssd debdiff for Focal v2" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432866/+files/lp1868703_sssd_focal_v2.debdiff -- You received this bug notification because you are a member of STS

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-09 Thread Matthew Ruffell
Attached is a revised debdiff for sssd for Focal. ** Patch added: "sssd debdiff for Focal v2" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432866/+files/lp1868703_sssd_focal_v2.debdiff -- You received this bug notification because you are a member of Ubuntu Bugs,

[Sts-sponsors] [Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-09 Thread Matthew Ruffell
** Patch removed: "adcli debdiff for Focal" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432450/+files/lp1868703_adcli_focal.debdiff ** Patch removed: "sssd debdiff for Focal"

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-09 Thread Matthew Ruffell
** Patch removed: "adcli debdiff for Focal" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432450/+files/lp1868703_adcli_focal.debdiff ** Patch removed: "sssd debdiff for Focal"

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-09 Thread Matthew Ruffell
** Description changed: [Impact] Microsoft has released a new security advisory for Active Directory (AD) which outlines that man-in-the-middle attacks can be performed on a LDAP server, such as AD DS, that works by an attacker forwarding an authentication request to a Windows LDAP

[Sts-sponsors] [Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-09 Thread Matthew Ruffell
** Description changed: [Impact] Microsoft has released a new security advisory for Active Directory (AD) which outlines that man-in-the-middle attacks can be performed on a LDAP server, such as AD DS, that works by an attacker forwarding an authentication request to a Windows LDAP

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-08 Thread Matthew Ruffell
** Tags added: sts-sponsor -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1868703 Title: Support "ad_use_ldaps" flag for new AD requirements (ADV190023) To manage notifications about this bug go

[Sts-sponsors] Please review and potentially sponsor LP1868703 Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-08 Thread Matthew Ruffell
Hello Dan, Eric and Mauricio, Can you please review and consider sponsoring LP1868703 [1]? [1] https://bugs.launchpad.net/bugs/1868703 Debdiffs for adcli and sssd are attached to the bug, and are for Bionic and Focal. Groovy has all the fixes already. Myself, the customer and the bug reporter

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-08 Thread Matthew Ruffell
Attached is a sssd debdiff for Focal ** Patch added: "sssd debdiff for Focal" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432451/+files/lp1868703_sssd_focal.debdiff -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-08 Thread Matthew Ruffell
Attached is a sssd debdiff for Bionic ** Patch added: "sssd debdiff for Bionic" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432453/+files/lp1868703_sssd_bionic.debdiff -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-08 Thread Matthew Ruffell
Attached is a debdiff for adcli on Focal. ** Patch added: "adcli debdiff for Focal" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432450/+files/lp1868703_adcli_focal.debdiff -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-08 Thread Matthew Ruffell
Attached is a adcli debdiff for Bionic ** Patch added: "adcli debdiff for Bionic" https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1868703/+attachment/5432452/+files/lp1868703_adcli_bionic.debdiff -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1868703] Re: Support "ad_use_ldaps" flag for new AD requirements (ADV190023)

2020-11-08 Thread Matthew Ruffell
** Summary changed: - Support new AD requirements (ADV190023) + Support "ad_use_ldaps" flag for new AD requirements (ADV190023) ** Description changed: - Please backport the following patch to add the option ad_use_ldaps. + [Impact] - With this new boolean option the AD provider should only

[Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-28 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Kernel-packages] [Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-28 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-27 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Kernel-packages] [Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-27 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Kernel-packages] [Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-25 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-25 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Kernel-packages] [Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-24 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-24 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-24 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Kernel-packages] [Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-24 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-21 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Kernel-packages] [Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-10-21 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Bug 1868703] Re: Support new AD requirements (ADV190023)

2020-10-21 Thread Matthew Ruffell
Hi Tobias, Thorstein, and anyone who is after a backport of these patches, I have completed backporting the below patches to the Bionic and Focal adcli and sssd packages, and I am looking for some help with testing. If you have some spare time, a Windows Active Directory server available, and

[Bug 1868703] Re: Support new AD requirements (ADV190023)

2020-10-21 Thread Matthew Ruffell
** Changed in: adcli (Ubuntu Bionic) Importance: Undecided => Medium ** Changed in: adcli (Ubuntu Bionic) Status: Confirmed => In Progress ** Changed in: adcli (Ubuntu Bionic) Assignee: (unassigned) => Matthew Ruffell (mruffell) ** Changed in: adcli (Ubuntu Focal) I

[Bug 1898786] Re: bcache: Issues with large IO wait in bch_mca_scan() when shrinker is enabled

2020-10-20 Thread Matthew Ruffell
Patches have been submitted to the Ubuntu kernel mailing list: Patchset for Bionic: https://lists.ubuntu.com/archives/kernel-team/2020-October/114166.html https://lists.ubuntu.com/archives/kernel-team/2020-October/114167.html https://lists.ubuntu.com/archives/kernel-team/2020-October/114168.html

[Kernel-packages] [Bug 1898786] Re: bcache: Issues with large IO wait in bch_mca_scan() when shrinker is enabled

2020-10-20 Thread Matthew Ruffell
Patches have been submitted to the Ubuntu kernel mailing list: Patchset for Bionic: https://lists.ubuntu.com/archives/kernel-team/2020-October/114166.html https://lists.ubuntu.com/archives/kernel-team/2020-October/114167.html https://lists.ubuntu.com/archives/kernel-team/2020-October/114168.html

[Kernel-packages] [Bug 1898786] Re: bcache: Issues with large IO wait in bch_mca_scan() when shrinker is enabled

2020-10-20 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1898786 [Impact] Systems that utilise bcache can experience extremely high IO wait times when under constant IO pressure. The IO wait times seem to stay at a consistent 1 second, and never drop as long as the bcache

[Bug 1898786] Re: bcache: Issues with large IO wait in bch_mca_scan() when shrinker is enabled

2020-10-20 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1898786 [Impact] Systems that utilise bcache can experience extremely high IO wait times when under constant IO pressure. The IO wait times seem to stay at a consistent 1 second, and never drop as long as the bcache

[Bug 1898786] Re: bcache: Issues with large IO wait in bch_mca_scan() when shrinker is enabled

2020-10-20 Thread Matthew Ruffell
ed => Medium ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Matthew Ruffell (mruffell) ** Changed in: linux (Ubuntu Focal) Assignee: (unassigned) => Matthew Ruffell (mruffell) ** Description changed: - Hello, + BugLink: https://bugs.launchpad.net/bugs/1898786

[Kernel-packages] [Bug 1898786] Re: bcache: Issues with large IO wait in bch_mca_scan() when shrinker is enabled

2020-10-20 Thread Matthew Ruffell
ed => Medium ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Matthew Ruffell (mruffell) ** Changed in: linux (Ubuntu Focal) Assignee: (unassigned) => Matthew Ruffell (mruffell) ** Description changed: - Hello, + BugLink: https://bugs.launchpad.net/bugs/1898786

[Desktop-packages] [Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
Attached is a debdiff for Bionic which implements support for VMware Horizon SSO in gnome-shell. ** Patch added: "gnome-shell debdiff for Bionic" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886592/+attachment/5423915/+files/lp1886592_bionic.debdiff -- You received this bug

[Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
Attached is a debdiff for gnome-shell for Focal with the required patches to implement VMware Horizon SSO support. ** Patch added: "gnome-shell debdiff for Focal" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886592/+attachment/5423914/+files/lp1886592_focal.debdiff -- You

[Desktop-packages] [Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
Attached is a debdiff for gnome-shell for Focal with the required patches to implement VMware Horizon SSO support. ** Patch added: "gnome-shell debdiff for Focal" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886592/+attachment/5423914/+files/lp1886592_focal.debdiff -- You

[Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
Attached is a debdiff for gnome-shell for Focal with the required patches to implement VMware Horizon SSO support. ** Patch added: "gnome-shell debdiff for Focal" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886592/+attachment/5423914/+files/lp1886592_focal.debdiff -- You

[Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
Attached is a debdiff for Bionic which implements support for VMware Horizon SSO in gnome-shell. ** Patch added: "gnome-shell debdiff for Bionic" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886592/+attachment/5423915/+files/lp1886592_bionic.debdiff -- You received this bug

[Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
Attached is a debdiff for Bionic which implements support for VMware Horizon SSO in gnome-shell. ** Patch added: "gnome-shell debdiff for Bionic" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886592/+attachment/5423915/+files/lp1886592_bionic.debdiff -- You received this bug

[Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
** Description changed: [Impact] VMware Horizon is a VDI product that runs atop of VMware's normal virtualisation stack, and it supports SSO authentication for login. In the past, the VMware Horizon agent has been pretty buggy, and requires SSO patches to be present to function,

[Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
** Description changed: [Impact] VMware Horizon is a VDI product that runs atop of VMware's normal virtualisation stack, and it supports SSO authentication for login. In the past, the VMware Horizon agent has been pretty buggy, and requires SSO patches to be present to function,

[Desktop-packages] [Bug 1886592] Re: Add support for VMware Horizon SSO to gnome-shell

2020-10-18 Thread Matthew Ruffell
** Description changed: [Impact] VMware Horizon is a VDI product that runs atop of VMware's normal virtualisation stack, and it supports SSO authentication for login. In the past, the VMware Horizon agent has been pretty buggy, and requires SSO patches to be present to function,

[Kernel-packages] [Bug 1898786] Re: Issue with bcache bch_mca_scan causing huge IO wait

2020-10-13 Thread Matthew Ruffell
Hi Benjamin, Great to hear that the early results look promising. Yes, let's give it a week, so we can ensure that these patches do their job under the high loads the git server faces each day over the week. If things still look good early next week, I will go ahead and prepare the patches for

[Bug 1898786] Re: Issue with bcache bch_mca_scan causing huge IO wait

2020-10-13 Thread Matthew Ruffell
Hi Benjamin, Great to hear that the early results look promising. Yes, let's give it a week, so we can ensure that these patches do their job under the high loads the git server faces each day over the week. If things still look good early next week, I will go ahead and prepare the patches for

[Kernel-packages] [Bug 1898786] Re: Issue with bcache bch_mca_scan causing huge IO wait

2020-10-08 Thread Matthew Ruffell
Hi Benjamin, I think Dan is onto something. The following commit was merged in upstream 5.5-rc1, but was backported to 4.15.0-87-generic through upstream stable: commit 9fcc34b1a6dd4b8e5337e2b6ef45e428897eca6b Author: Coly Li Date: Wed Nov 13 16:03:24 2019 +0800 Subject: bcache: at least try

[Bug 1898786] Re: Issue with bcache bch_mca_scan causing huge IO wait

2020-10-08 Thread Matthew Ruffell
Hi Benjamin, I think Dan is onto something. The following commit was merged in upstream 5.5-rc1, but was backported to 4.15.0-87-generic through upstream stable: commit 9fcc34b1a6dd4b8e5337e2b6ef45e428897eca6b Author: Coly Li Date: Wed Nov 13 16:03:24 2019 +0800 Subject: bcache: at least try

[Bug 1896725] Re: xenial 4.4.0-191-generic in -proposed has a regression

2020-10-06 Thread Matthew Ruffell
Verifying for xenial: I enabled -proposed, and installed 4.4.0-1116-aws: $ uname -rv 4.4.0-1116-aws #129-Ubuntu SMP Tue Sep 29 18:17:22 UTC 2020 I rebooted, and was able to ssh in, and dmesg was clean. I then installed 4.4.0-192-generic: $ uname -rv 4.4.0-192-generic #222-Ubuntu SMP Tue Sep

[Kernel-packages] [Bug 1896725] Re: xenial 4.4.0-191-generic in -proposed has a regression

2020-10-06 Thread Matthew Ruffell
Verifying for xenial: I enabled -proposed, and installed 4.4.0-1116-aws: $ uname -rv 4.4.0-1116-aws #129-Ubuntu SMP Tue Sep 29 18:17:22 UTC 2020 I rebooted, and was able to ssh in, and dmesg was clean. I then installed 4.4.0-192-generic: $ uname -rv 4.4.0-192-generic #222-Ubuntu SMP Tue Sep

[Kernel-packages] [Bug 1896725] Re: xenial 4.4.0-191-generic in -proposed has a regression

2020-09-23 Thread Matthew Ruffell
Hello @shaynagar, thank you very much for reporting! We will look into this asap. More details: 4.4.0-190-generic is fine, 4.4.0-191-generic contains the regression. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Bug 1896725] Re: xenial 4.4.0-191-generic in -proposed has a regression

2020-09-23 Thread Matthew Ruffell
Hello @shaynagar, thank you very much for reporting! We will look into this asap. More details: 4.4.0-190-generic is fine, 4.4.0-191-generic contains the regression. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Group.of.nepali.translators] [Bug 1896725] Re: Kernel panic with AWS 4.4.0-1115-aws

2020-09-23 Thread Matthew Ruffell
** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High ** Description changed: - This is a POTENTIAL REGRESSION. + [Impact] - This issue occurs on one of the AWS instance "t2.medium" + The new

[Kernel-packages] [Bug 1896725] Re: Kernel panic with AWS 4.4.0-1115-aws

2020-09-23 Thread Matthew Ruffell
** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High ** Description changed: - This is a POTENTIAL REGRESSION. + [Impact] - This issue occurs on one of the AWS instance "t2.medium" + The new

[Bug 1896725] Re: Kernel panic with AWS 4.4.0-1115-aws

2020-09-23 Thread Matthew Ruffell
** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High ** Description changed: - This is a POTENTIAL REGRESSION. + [Impact] - This issue occurs on one of the AWS instance "t2.medium" + The new

[Kernel-packages] [Bug 1894591] Re: clock: overriding the clocksource should select the requested clocksource

2020-09-22 Thread Matthew Ruffell
Performing verification: First, reproducing on older kernel: $ uname -rv 4.4.0-190-generic #220-Ubuntu SMP Fri Aug 28 23:02:15 UTC 2020 $ grep "clocksource" /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="clocksource=tsc" $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.4.0-190-generic

[Bug 1894591] Re: clock: overriding the clocksource should select the requested clocksource

2020-09-22 Thread Matthew Ruffell
Performing verification: First, reproducing on older kernel: $ uname -rv 4.4.0-190-generic #220-Ubuntu SMP Fri Aug 28 23:02:15 UTC 2020 $ grep "clocksource" /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="clocksource=tsc" $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.4.0-190-generic

[Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-09-22 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Kernel-packages] [Bug 1896578] Re: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-09-22 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1896578 [Impact] Block discard is very slow on Raid10, which causes common use cases which invoke block discard, such as mkfs and fstrim operations, to take a very long time. For example, on a i3.8xlarge

[Bug 1896578] [NEW] raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-09-22 Thread Matthew Ruffell
be affected. Traditional hard disks, or SSD devices which do not support block discard would not be affected. If a regression were to occur, users could work around the issue by running "mkfs.xfs -K " which would skip block discard entirely. ** Affects: linux (Ubuntu) Impor

[Kernel-packages] [Bug 1896578] [NEW] raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations

2020-09-22 Thread Matthew Ruffell
be affected. Traditional hard disks, or SSD devices which do not support block discard would not be affected. If a regression were to occur, users could work around the issue by running "mkfs.xfs -K " which would skip block discard entirely. ** Affects: linux (Ubuntu) Impor

[Bug 1896154] [NEW] btrfs: trimming a btrfs device which has been shrunk previously fails and fills root disk with garbage data

2020-09-17 Thread Matthew Ruffell
eam stable, and are trusted by the community. ** Affects: linux (Ubuntu) Importance: Undecided Status: Fix Released ** Affects: linux (Ubuntu Focal) Importance: Medium Assignee: Matthew Ruffell (mruffell) Status: In Progress ** Tags: sts ** Also affects: linux (Ub

[Kernel-packages] [Bug 1896154] [NEW] btrfs: trimming a btrfs device which has been shrunk previously fails and fills root disk with garbage data

2020-09-17 Thread Matthew Ruffell
eam stable, and are trusted by the community. ** Affects: linux (Ubuntu) Importance: Undecided Status: Fix Released ** Affects: linux (Ubuntu Focal) Importance: Medium Assignee: Matthew Ruffell (mruffell) Status: In Progress ** Tags: sts ** Also affects: linux (Ub

[Kernel-packages] [Bug 1756311] Re: fstrim and discard operations take too long to complete

2020-09-15 Thread Matthew Ruffell
*** This bug is a duplicate of bug 1756315 *** https://bugs.launchpad.net/bugs/1756315 ** This bug has been marked a duplicate of bug 1756315 fstrim and discard operations take too long to complete - Ubuntu 16.04 -- You received this bug notification because you are a member of Kernel

[Bug 1756311] Re: fstrim and discard operations take too long to complete

2020-09-15 Thread Matthew Ruffell
*** This bug is a duplicate of bug 1756315 *** https://bugs.launchpad.net/bugs/1756315 ** This bug has been marked a duplicate of bug 1756315 fstrim and discard operations take too long to complete - Ubuntu 16.04 -- You received this bug notification because you are a member of Ubuntu

[Group.of.nepali.translators] [Bug 1756315] Re: fstrim and discard operations take too long to complete - Ubuntu 16.04

2020-09-14 Thread Matthew Ruffell
Hello Alexandre, I tried to reproduce this bug, and I believe it has been fixed. I started a i3.4xlarge instance on AWS, with Xenial as the distro: $ uname -rv 4.4.0-1112-aws #124-Ubuntu SMP Fri Jul 24 11:10:25 UTC 2020 >From there, I checked the NVMe disks: $ lsblk NAMEMAJ:MIN RM SIZE

[Bug 1756315] Re: fstrim and discard operations take too long to complete - Ubuntu 16.04

2020-09-14 Thread Matthew Ruffell
Hello Alexandre, I tried to reproduce this bug, and I believe it has been fixed. I started a i3.4xlarge instance on AWS, with Xenial as the distro: $ uname -rv 4.4.0-1112-aws #124-Ubuntu SMP Fri Jul 24 11:10:25 UTC 2020 >From there, I checked the NVMe disks: $ lsblk NAMEMAJ:MIN RM SIZE

[Kernel-packages] [Bug 1756315] Re: fstrim and discard operations take too long to complete - Ubuntu 16.04

2020-09-14 Thread Matthew Ruffell
Hello Alexandre, I tried to reproduce this bug, and I believe it has been fixed. I started a i3.4xlarge instance on AWS, with Xenial as the distro: $ uname -rv 4.4.0-1112-aws #124-Ubuntu SMP Fri Jul 24 11:10:25 UTC 2020 >From there, I checked the NVMe disks: $ lsblk NAMEMAJ:MIN RM SIZE

[Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-08 Thread Matthew Ruffell
As promised, I have an update on the lab machine I left running ksm_refcnt_overflow.sh for a week straight. The machine was running 4.15.0-116-generic from -proposed: $ uname -rv 4.15.0-116-generic #117-Ubuntu SMP Fri Aug 28 16:04:22 UTC 2020 $ uptime 04:36:14 up 7 days, 1 min, 1 user, load

[Kernel-packages] [Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-08 Thread Matthew Ruffell
As promised, I have an update on the lab machine I left running ksm_refcnt_overflow.sh for a week straight. The machine was running 4.15.0-116-generic from -proposed: $ uname -rv 4.15.0-116-generic #117-Ubuntu SMP Fri Aug 28 16:04:22 UTC 2020 $ uptime 04:36:14 up 7 days, 1 min, 1 user, load

[Bug 1894104] Re: Patriot PXD USB SSD cannot be mount with type-C connector

2020-09-07 Thread Matthew Ruffell
How about you try a slightly older kernel then: To install 5.4.0-31-generic: $ sudo apt install linux-image-5.4.0-31-generic linux- modules-5.4.0-31-generic linux-modules-extra-5.4.0-31-generic linux- headers-5.4.0-31-generic linux-headers-5.4.0-31 Then reboot your computer. Do the same as you

[Kernel-packages] [Bug 1894104] Re: Patriot PXD USB SSD cannot be mount with type-C connector

2020-09-07 Thread Matthew Ruffell
How about you try a slightly older kernel then: To install 5.4.0-31-generic: $ sudo apt install linux-image-5.4.0-31-generic linux- modules-5.4.0-31-generic linux-modules-extra-5.4.0-31-generic linux- headers-5.4.0-31-generic linux-headers-5.4.0-31 Then reboot your computer. Do the same as you

[Bug 1894591] Re: clock: overriding the clocksource should select the requested clocksource

2020-09-06 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1894591 [Impact] The default clocksource for a KVM VM is kvm-clock, and I happen to need tsc. $ cat /sys/devices/system/clocksource/clocksource0/current_clocksource kvm-clock If I edit /etc/default/grub and

[Kernel-packages] [Bug 1894591] Re: clock: overriding the clocksource should select the requested clocksource

2020-09-06 Thread Matthew Ruffell
** Description changed: BugLink: https://bugs.launchpad.net/bugs/1894591 [Impact] The default clocksource for a KVM VM is kvm-clock, and I happen to need tsc. $ cat /sys/devices/system/clocksource/clocksource0/current_clocksource kvm-clock If I edit /etc/default/grub and

[Group.of.nepali.translators] [Bug 1894591] [NEW] clock: overriding the clocksource should select the requested clocksource

2020-09-06 Thread Matthew Ruffell
Affects: linux (Ubuntu) Importance: Undecided Status: Fix Released ** Affects: linux (Ubuntu Xenial) Importance: Medium Assignee: Matthew Ruffell (mruffell) Status: In Progress ** Tags: sts ** Also affects: linux (Ubuntu Xenial) Importance: Undecided S

[Bug 1894591] [NEW] clock: overriding the clocksource should select the requested clocksource

2020-09-06 Thread Matthew Ruffell
Affects: linux (Ubuntu) Importance: Undecided Status: Fix Released ** Affects: linux (Ubuntu Xenial) Importance: Medium Assignee: Matthew Ruffell (mruffell) Status: In Progress ** Tags: sts ** Also affects: linux (Ubuntu Xenial) Importance: Undecided S

[Kernel-packages] [Bug 1894591] [NEW] clock: overriding the clocksource should select the requested clocksource

2020-09-06 Thread Matthew Ruffell
Affects: linux (Ubuntu) Importance: Undecided Status: Fix Released ** Affects: linux (Ubuntu Xenial) Importance: Medium Assignee: Matthew Ruffell (mruffell) Status: In Progress ** Tags: sts ** Also affects: linux (Ubuntu Xenial) Importance: Undecided S

[Kernel-packages] [Bug 1894104] Re: Patriot PXD USB SSD cannot be mount with type-C connector

2020-09-03 Thread Matthew Ruffell
@braingateway Can you please try booting into the 5.4.0-42-generic kernel and see if that works? When you turn your computer on, press and hold the shift key to access the GRUB boot menu. Select "Advanced Options" and then "Ubuntu, with Linux 5.4.0-42-generic" If 5.4.0-42-generic works and

[Bug 1894104] Re: Patriot PXD USB SSD cannot be mount with type-C connector

2020-09-03 Thread Matthew Ruffell
@braingateway Can you please try booting into the 5.4.0-42-generic kernel and see if that works? When you turn your computer on, press and hold the shift key to access the GRUB boot menu. Select "Advanced Options" and then "Ubuntu, with Linux 5.4.0-42-generic" If 5.4.0-42-generic works and

[Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-01 Thread Matthew Ruffell
As requested by the kernel team (in https://lists.ubuntu.com/archives /kernel-team/2020-August/112775.html), I will do some additional testing for this SRU to really make sure it won't cause any regressions. I provisioned a lab machine on segmaas, running Bionic. I installed the

[Kernel-packages] [Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-01 Thread Matthew Ruffell
As requested by the kernel team (in https://lists.ubuntu.com/archives /kernel-team/2020-August/112775.html), I will do some additional testing for this SRU to really make sure it won't cause any regressions. I provisioned a lab machine on segmaas, running Bionic. I installed the

[Kernel-packages] [Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-01 Thread Matthew Ruffell
Verification steps for focal: Again, I made sure I can reproduce on the existing 5.4.0-42-generic kernel. I copied ksm_refcnt_overflow.sh and zero_page_refcount.c to the VM, and built the kernel module, and inserted it into the kernel: $ sudo insmod zero_page_refcount.ko $ cat

[Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-01 Thread Matthew Ruffell
Verification steps for focal: Again, I made sure I can reproduce on the existing 5.4.0-42-generic kernel. I copied ksm_refcnt_overflow.sh and zero_page_refcount.c to the VM, and built the kernel module, and inserted it into the kernel: $ sudo insmod zero_page_refcount.ko $ cat

[Kernel-packages] [Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-01 Thread Matthew Ruffell
Verification steps for Bionic: First, I made sure I could reproduce the problem on 4.15.0-115-generic. I made a fresh Bionic VM, and copied over the ksm_refcnt_overflow.sh and zero_page_refcound.c files. I built the kernel module, and inserted it into the kernel. >From there, I checked the

[Bug 1837810] Re: KVM: Fix zero_page reference counter overflow when using KSM on KVM compute host

2020-09-01 Thread Matthew Ruffell
Verification steps for Bionic: First, I made sure I could reproduce the problem on 4.15.0-115-generic. I made a fresh Bionic VM, and copied over the ksm_refcnt_overflow.sh and zero_page_refcound.c files. I built the kernel module, and inserted it into the kernel. >From there, I checked the

Re: Proposal: Enabling DMESG_RESTRICT for Groovy Onward

2020-08-31 Thread Matthew Ruffell
Hi Chris, Steve, >> I'm sure you have seen Ansgar's reply here: >> https://lists.debian.org/debian-devel/2020/08/msg00121.html > >> > That grants additional rights to the `adm` group that it did not have >> > before, for example to clear the dmesg buffer: >> > >> > $ dmesg --clear >>

[Kernel-packages] [Bug 1886112] Re: Enabling DMESG_RESTRICT in Groovy Onward

2020-08-30 Thread Matthew Ruffell
As 5.8.0-16-generic has now been released to the -release pocket, CONFIG_SECURITY_DMESG_RESTRICT is now enabled in Groovy. Marking the changes to the kernel as Fix Released. ** Changed in: linux (Ubuntu Groovy) Status: Fix Committed => Fix Released -- You received this bug notification

[Touch-packages] [Bug 1886112] Re: Enabling DMESG_RESTRICT in Groovy Onward

2020-08-30 Thread Matthew Ruffell
As per my most recent email to ubuntu-devel, I am marking the changes to util-linux as Won't Fix. Relevant mailing list discussion (for future reference): Ansgar responded on debian-devel mentioning that adding cap_syslog to dmesg enables the user to clear the kernel log buffer:

[Kernel-packages] [Bug 1886112] Re: Enabling DMESG_RESTRICT in Groovy Onward

2020-08-30 Thread Matthew Ruffell
As per my most recent email to ubuntu-devel, I am marking the changes to util-linux as Won't Fix. Relevant mailing list discussion (for future reference): Ansgar responded on debian-devel mentioning that adding cap_syslog to dmesg enables the user to clear the kernel log buffer:

[Bug 1886112] Re: Enabling DMESG_RESTRICT in Groovy Onward

2020-08-30 Thread Matthew Ruffell
As 5.8.0-16-generic has now been released to the -release pocket, CONFIG_SECURITY_DMESG_RESTRICT is now enabled in Groovy. Marking the changes to the kernel as Fix Released. ** Changed in: linux (Ubuntu Groovy) Status: Fix Committed => Fix Released -- You received this bug notification

[Bug 1886112] Re: Enabling DMESG_RESTRICT in Groovy Onward

2020-08-30 Thread Matthew Ruffell
As per my most recent email to ubuntu-devel, I am marking the changes to util-linux as Won't Fix. Relevant mailing list discussion (for future reference): Ansgar responded on debian-devel mentioning that adding cap_syslog to dmesg enables the user to clear the kernel log buffer:

[Touch-packages] [Bug 1886112] Re: Enabling DMESG_RESTRICT in Groovy Onward

2020-08-30 Thread Matthew Ruffell
As 5.8.0-16-generic has now been released to the -release pocket, CONFIG_SECURITY_DMESG_RESTRICT is now enabled in Groovy. Marking the changes to the kernel as Fix Released. ** Changed in: linux (Ubuntu Groovy) Status: Fix Committed => Fix Released -- You received this bug notification

[Kernel-packages] [Bug 1882478] Re: smpboot: don't call topology_sane() when Sub-NUMA-Clustering is enabled

2020-08-25 Thread Matthew Ruffell
I asked the customer to test 4.15.0-114-generic on Xenial HWE from -proposed on their HP DL360 Gen10 machines with the Intel Xeon Gold 5120 CPU. The machine has Sub-NUMA Clustering enabled and it is active. The machine boots successfully, and there are no call traces or kernel oops present: #

[Bug 1882478] Re: smpboot: don't call topology_sane() when Sub-NUMA-Clustering is enabled

2020-08-25 Thread Matthew Ruffell
I asked the customer to test 4.15.0-114-generic on Xenial HWE from -proposed on their HP DL360 Gen10 machines with the Intel Xeon Gold 5120 CPU. The machine has Sub-NUMA Clustering enabled and it is active. The machine boots successfully, and there are no call traces or kernel oops present: #

[Bug 1887607] Re: NFSv4.1: Interrupted connections cause high bandwidth RPC ping-pong between client and server

2020-08-18 Thread Matthew Ruffell
I installed 4.15.0-114-generic from -proposed to my test client machine, which is a Ubuntu 18.04 Desktop VM. I mounted two NFS shares, one with sec=sys, and the other with sec=krb5p. I then opened each share up in separate tabs in Nautilus. I then CUT a file from the sec=sys share, and PASTED it

[Kernel-packages] [Bug 1887607] Re: NFSv4.1: Interrupted connections cause high bandwidth RPC ping-pong between client and server

2020-08-18 Thread Matthew Ruffell
I installed 4.15.0-114-generic from -proposed to my test client machine, which is a Ubuntu 18.04 Desktop VM. I mounted two NFS shares, one with sec=sys, and the other with sec=krb5p. I then opened each share up in separate tabs in Nautilus. I then CUT a file from the sec=sys share, and PASTED it

[Group.of.nepali.translators] [Bug 1842562] Re: AWS: Add udev rule to set Instance Store device IO timeouts

2020-08-18 Thread Matthew Ruffell
** Changed in: cloud-init (Ubuntu) Status: In Progress => Won't Fix ** Changed in: cloud-init (Ubuntu Xenial) Status: In Progress => Won't Fix ** Changed in: cloud-init (Ubuntu Bionic) Status: In Progress => Won't Fix -- You received this bug notification because you are a

[Bug 1842562] Re: AWS: Add udev rule to set Instance Store device IO timeouts

2020-08-18 Thread Matthew Ruffell
** Changed in: cloud-init (Ubuntu) Status: In Progress => Won't Fix ** Changed in: cloud-init (Ubuntu Xenial) Status: In Progress => Won't Fix ** Changed in: cloud-init (Ubuntu Bionic) Status: In Progress => Won't Fix -- You received this bug notification because you are a

[Bug 1856608] Re: [Regression] usb usb2-port2: Cannot enable. Maybe the USB cable is bad?

2020-08-17 Thread Matthew Ruffell
Hi @pau-capdevila Your USB problem is unrelated to the issue in this bug, since your USB device fails to do the initial handshake and enumeration. > usb 1-1.2.1: device descriptor read/64, error -32 >From /usr/include/asm-generic/errno-base.h, Error -32 is: #define EPIPE 32 /*

[Kernel-packages] [Bug 1856608] Re: [Regression] usb usb2-port2: Cannot enable. Maybe the USB cable is bad?

2020-08-17 Thread Matthew Ruffell
Hi @pau-capdevila Your USB problem is unrelated to the issue in this bug, since your USB device fails to do the initial handshake and enumeration. > usb 1-1.2.1: device descriptor read/64, error -32 >From /usr/include/asm-generic/errno-base.h, Error -32 is: #define EPIPE 32 /*

[Kernel-packages] [Bug 1856608] Re: [Regression] usb usb2-port2: Cannot enable. Maybe the USB cable is bad?

2020-08-16 Thread Matthew Ruffell
Hi @jeremyn54 > the error can be consistently reproduced on both signed and testing kernels. Reproduced on the test kernel? The one that I built in the ppa? If that's the case, then "usb: handle warm-reset port requests on hub resume" might not be to blame after all. I had a look at your kernel

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