[Kernel-packages] [Bug 1862822] [NEW] init_on_alloc=1 causes big performance regression for ZFS

2020-02-11 Thread Matthew Ahrens
Public bug reported: Apologies if this is not the right forum to raise this concern. If not please point me to a better place to have this discussion. The 5.3 linux kernel added a new feature which allows pages to be zeroed when allocating or freeing them: init_on_alloc and init_on_free. The

[Kernel-packages] [Bug 1862822] Re: init_on_alloc=1 causes big performance regression for ZFS

2020-02-11 Thread Matthew Ahrens
I installed apport and python3-launchpadlib, and ran the requested command: $ apport-collect 1862822 The authorization page: (https://launchpad.net/+authorize-token?oauth_token=KJm30XZW6qPv9HDzn45k_permission=DESKTOP_INTEGRATION) should be opening in your browser. Use your browser to authorize

[Kernel-packages] [Bug 1862822] UdevDb.txt

2020-02-12 Thread Matthew Ahrens
apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/1862822/+attachment/5327852/+files/UdevDb.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1862822] ProcInterrupts.txt

2020-02-12 Thread Matthew Ahrens
apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1862822/+attachment/5327850/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1862822] CurrentDmesg.txt

2020-02-12 Thread Matthew Ahrens
apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1862822/+attachment/5327847/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1862822] ProcCpuinfoMinimal.txt

2020-02-12 Thread Matthew Ahrens
apport information ** Attachment added: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/bugs/1862822/+attachment/5327849/+files/ProcCpuinfoMinimal.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1862822] Lspci.txt

2020-02-12 Thread Matthew Ahrens
apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1862822/+attachment/5327848/+files/Lspci.txt -- 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/1862822

[Kernel-packages] [Bug 1862822] ProcModules.txt

2020-02-12 Thread Matthew Ahrens
apport information ** Attachment added: "ProcModules.txt" https://bugs.launchpad.net/bugs/1862822/+attachment/5327851/+files/ProcModules.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1862822] Re: init_on_alloc=1 causes big performance regression for ZFS

2020-02-12 Thread Matthew Ahrens
apport information ** Tags added: apport-collected bionic uec-images ** Description changed: Apologies if this is not the right forum to raise this concern. If not please point me to a better place to have this discussion. The 5.3 linux kernel added a new feature which allows pages to

[Kernel-packages] [Bug 1857398] Re: ubiquity should support encryption by default with zfsroot, with users able to opt in to running change-key after install

2020-01-10 Thread Matthew Ahrens
I agree with what Richard said above in comment #14, especially: > The installer should prompt (with a checkbox) for whether the user wants encryption. It should default to off. If the user selects the checkbox, prompt them for a passphrase. Setup encryption using that passphrase. -- You