[Bug 1853042] Re: Ubuntu 18.04 - vm disk i/o performance issue when using file system passthrough

2019-11-19 Thread Murilo Opsfelder Araújo
Hi, Christian. It would be great if you could share your knowledge on this. Thank you! Murilo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853042 Title: Ubuntu 18.04 - vm disk i/o performance

[Bug 1847948] Re: Improve NVMe guest performance on Bionic QEMU

2019-10-15 Thread Murilo Opsfelder Araújo
Christian, Patch from comment 8 seems yet another nice improvement. We haven't tried it to have a strong opinion. If it's included, then I think patch from comment 9 won't hurt being added too. Murilo -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1847948] Re: Improve NVMe guest performance on Bionic QEMU

2019-10-15 Thread Murilo Opsfelder Araújo
Christian, Using QEMU from comment 6, it improved the performance for numjobs=4 and numjobs=64 cases, respectively: READ: bw=1140MiB/s (1195MB/s), 271MiB/s-302MiB/s (284MB/s-317MB/s), io=66.8GiB (71.7GB), run=60001-60001msec READ: bw=4271MiB/s (4479MB/s), 30.1MiB/s-82.6MiB/s

[Bug 1847948] Re: Improve NVMe guest performance on Bionic QEMU

2019-10-14 Thread Murilo Opsfelder Araújo
Christian, The test case for this is to: - passthrough the NVMe disk to guest; - and run fio benchmarks against the passed-through NVMe disk in the guest. I have detailed these steps and pasted the commands in the bug description. Please let me know if steps are not clear. The only required

[Bug 1787408] Re: qemu 1:2.11+dfsg-1ubuntu7.4 hangs when -cpu POWER9 is specified

2018-08-21 Thread Murilo Opsfelder Araújo
I can confirm that the build ppa:ci-train-ppa-service/3367 (for Bionic) works as expected, i.e.: POWER9 guest boots and no hang is observed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787408

[Bug 1787408] Re: qemu 1:2.11+dfsg-1ubuntu7.4 hangs when -cpu POWER9 is specified

2018-08-20 Thread Murilo Opsfelder Araújo
Hi, Christian. I'm glad you've already tested this on P9. Thank you! Just for the record, I've managed to test https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/3362 on Cosmic using the very same P8 box I used to report this and it fixed the bug, i.e. guest booted as expected and no

[Bug 1787408] Re: qemu 1:2.11+dfsg-1ubuntu7.4 hangs when -cpu POWER9 is specified

2018-08-16 Thread Murilo Opsfelder Araújo
** Package changed: ubuntu => qemu (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787408 Title: qemu 1:2.11+dfsg-1ubuntu7.4 hangs when -cpu POWER9 is specified To manage notifications

[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

2018-04-02 Thread Murilo Opsfelder Araújo
** Patch added: "debdiff for Xenial qemu" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1723914/+attachment/5099155/+files/debdiff_qemu_xenial.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

2018-04-02 Thread Murilo Opsfelder Araújo
Manoj, Christian, Please refer to the attached debdiff (it was my first debdiff, so it might contain errors :)). Let me know if you need anything else. Cheers Murilo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

2018-03-28 Thread Murilo Opsfelder Araújo
Pior to commit 8b9f2118ca40b1de72d8f75b59a5fb4d347a69f7 ("ppc64: set MSR_SF bit"), qemu-system-ppc64 was not setting the 64-bit mode bit in MSR. Applying it on top of qemu 2.5 from Ubuntu 16.04.04, makes kvm-unit- tests happy. muriloo@jaspion1:~/sources/ubuntu$ dpkg-source -x

[Bug 1306246] Re: dhcp request doesn't provide client architecture code 93

2017-07-17 Thread Murilo Opsfelder Araújo
My patch was accepted upstream and it seems to fix this issue. https://github.com/aik/SLOF/commit/db35f1b8a2d3e44f4a12ca926359cc2575e98064 commit db35f1b8a2d3e44f4a12ca926359cc2575e98064 Author: Murilo Opsfelder Araujo Date: Fri Jun 23 09:23:25 2017 -0300

[Bug 911276] Re: firefox flash videos blocks area in other tabs

2012-02-13 Thread Murilo Opsfelder Araújo
Today I applied Lucid updates and stopped working again. With Firefox 10.0 it was working fine. With Firefox 10.0.1 it isn't. Here is the aptitude log: Aptitude 0.4.11.11: log report Mon, Feb 13 2012 09:55:10 -0200 IMPORTANT: this log only lists intended actions; actions which fail due to dpkg

[Bug 658317] Re: Messages log filled with Intel IPS ME failed to update for more than 1s, likely hung messages

2011-07-13 Thread Murilo Opsfelder Araújo
I believe this was fixed in kernel 2.6.38-10-generic #46 on Natty. I'm not seeing those messages in /var/log/messages anymore. Is this still present for someone? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 805209] Re: System locks up after upgrading to linux-image-2.6.32-32-generic-pae

2011-07-07 Thread Murilo Opsfelder Araújo
Hi guys, I'd like to add that my T410 didn't freeze with linux-image-2.6.32-32 -generic-pae_2.6.32-32.63~tellis04LP805209_i386.deb also. Thanks, Murilo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.