[Kernel-packages] [Bug 1603902] Re: qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

[Expired for qemu-kvm (Ubuntu) because there has been no activity for 60 days.] ** Changed in: qemu-kvm (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.

[Kernel-packages] [Bug 1603902] Re: qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

[Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bu

[Kernel-packages] [Bug 1603902] Re: qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

Thanks Matt, yeah we actually had no similar report in all the time. It is unclear to me if there still is something needed in the kernel, but it is unclear which (if any) qemu change needs to be done as there is no external reproducer. It is good to hear that in your case after working heavily i

[Kernel-packages] [Bug 1603902] Re: qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

We had something similar happen. It burned CPU for a very long time doing the same lseek stuff, but it eventually succeeded in writing the output file. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad

[Kernel-packages] [Bug 1603902] Re: qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

Appriciate your help! I have attached apport-collect information, will it be sufficient for now? I run apport-collect AFTER changed kernel from 4.4.0-28-generic to Linux 4.6.0-040600-generic, becouse i can not shutdown server right now. If it is required i cat try to reproduce bug on another mach

[Kernel-packages] [Bug 1603902] Re: qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

apport information ** Tags added: apport-collected ** Description changed: When i try to convert raw image to qcow2 format with command: qemu-img convert -O qcow2 base-image.img base-image.qcow2 i have several problems: 1.qemu-img process never stops by itself and i can n

[Kernel-packages] [Bug 1603902] Re: qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

Thanks for the info. If updating kernels fixes it, then it's possible, but unlikely, that it can be fixed in userspace. Marking this as affecting the kernel. ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a memb