Re: [Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-02 Thread Bambang Pranoto
Dear Guilherme, On Wed, Mar 3, 2021 at 1:45 AM Guilherme G. Piccoli < 1917...@bugs.launchpad.net> wrote: > So Bambang and/or Hans-Christian, can you please test the following > kernel build that includes the aforementioned missing commit: > > https://kernel.ubuntu.com/~gpiccoli/lp1917138-2/ > > Y

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-02 Thread Bug Watch Updater
** Changed in: dosemu2 Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917138 Title: kernel 4.15.0-136 causes dosemu2 with kvm freezes To manage notifications abou

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-02 Thread Guilherme G. Piccoli
Hi Bambang, thanks a lot for your testing! I'll need you to test one more kernel to be 100% sure of the issue and be able to fix it. Let me elaborate on what's happening. So, since kernel 4.15.0-136 we included a very complex KVM fix for a kind of "race" in interrupt window triggered by David Wood

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-02 Thread Guilherme G. Piccoli
So Bambang and/or Hans-Christian, can you please test the following kernel build that includes the aforementioned missing commit: https://kernel.ubuntu.com/~gpiccoli/lp1917138-2/ It's the same process as before, just install all the packages from the link above, reboot and retry the reproducer -

Re: [Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-02 Thread Bambang Pranoto
Hello Guilherme, Yes you are right. The 137 from the Pre-released update doesn't work. The 137 files from https://kernel.ubuntu.com/~gpiccoli/lp1917138/ works perfectly. Thank you very much! Out of curiosity, what went wrong with the 136? On Tue, Mar 2, 2021 at 7:20 PM Guilherme G. Piccoli < 1

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-02 Thread Guilherme G. Piccoli
Thanks Bambang, let me know as soon as possible, so we can maybe fix this cycle (worst case, next cycle). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917138 Title: kernel 4.15.0-136 causes dosemu

Re: [Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-01 Thread Bambang Pranoto
Dear Guilherme, I will try and come back to you later. Thanks again. On Tue, Mar 2, 2021 at 4:56 AM Guilherme G. Piccoli < 1917...@bugs.launchpad.net> wrote: > Thanks again Bambang and Hans-Christian for the report, it seems indeed > a bug in the kernel. I think I know what's going on, but I'd

Re: [Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-01 Thread Bambang Pranoto
Dear Guilherme, Thank you very much for your reply. On Tue, Mar 2, 2021 at 3:00 AM Guilherme G. Piccoli < 1917...@bugs.launchpad.net> wrote: > Thanks for the report! Are you using nested virtualization (a virtual > machine inside another virtual machine) or you run dosbox directly in your > host

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-01 Thread Guilherme G. Piccoli
Thanks again Bambang and Hans-Christian for the report, it seems indeed a bug in the kernel. I think I know what's going on, but I'd like to ask you to perform some testing in order we can prove that, and then fix it. So, first it'll be 2 tests - depending on the result, a third test will be nece

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-03-01 Thread Guilherme G. Piccoli
Thanks for the report! Are you using nested virtualization (a virtual machine inside another virtual machine) or you run dosbox directly in your host/bare-metal system? Thanks! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-02-27 Thread Bug Watch Updater
** Changed in: dosemu2 Status: Unknown => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917138 Title: kernel 4.15.0-136 causes dosemu2 with kvm freezes To manage notifications about thi

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-02-27 Thread stsp
** Package changed: ubuntu => linux (Ubuntu) ** Bug watch added: github.com/dosemu2/dosemu2/issues #1404 https://github.com/dosemu2/dosemu2/issues/1404 ** Also affects: linux via https://github.com/dosemu2/dosemu2/issues/1404 Importance: Unknown Status: Unknown ** Project changed

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-02-27 Thread Ubuntu Foundations Team Bug Bot
Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-02-27 Thread Hans-Christian
** No longer affects: dosemu (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917138 Title: kernel 4.15.0-136 causes dosemu2 with kvm freezes To manage notifications about this bug go to: ht

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-02-27 Thread Hans-Christian
** Also affects: dosemu (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/1917138 Title: kernel 4.15.0-136 causes dosemu2 with kvm freezes To manage

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-02-27 Thread Launchpad Bug Tracker
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: ubuntu Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917138 Title: kernel 4.15.

[Bug 1917138] Re: kernel 4.15.0-136 causes dosemu2 with kvm freezes

2021-02-27 Thread Hans-Christian
I can confirm that I also am experiencing this bug on various 16.04. LTS systems since the latest update. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917138 Title: kernel 4.15.0-136 causes dosemu