Chances are slim that this will fix itself automagically. And as long as we're not able to reproduce this, it's going to be difficult. I'll try to take another look in a couple of days once the current kernel respin frenzy is over.
-- 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/1767857 Title: Kernel 4.4.0-122 Breaks qemu-system-x86 Status in linux package in Ubuntu: Confirmed Status in qemu package in Ubuntu: Incomplete Bug description: Fully updated xubuntu 16.04 running kernel 4.4.0-122 breaks qemu- system-x86: black screen displays and qemu-system-x86 runs at 100% cpu indefinitely. Boot the same system with kernel 4.4.0-119 and qemu- system-x86 works fine running a Windows 10 VM. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: qemu-system-x86 1:2.5+dfsg-5ubuntu10.25 ProcVersionSignature: Ubuntu 4.4.0-122.146-generic 4.4.117 Uname: Linux 4.4.0-122-generic i686 ApportVersion: 2.20.1-0ubuntu2.16 Architecture: i386 CurrentDesktop: XFCE Date: Sun Apr 29 15:58:25 2018 InstallationDate: Installed on 2014-04-29 (1460 days ago) InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140416.2) KvmCmdLine: COMMAND STAT EUID RUID PID PPID %CPU COMMAND kvm-irqfd-clean S< 0 0 394 2 0.0 [kvm-irqfd-clean] MachineType: Dell Inc. Inspiron 518 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-122-generic root=UUID=7cffb293-c044-4b2c-8343-dc50fd16db97 ro --verbose nosplash nmi_watchdog=0 SourcePackage: qemu UpgradeStatus: Upgraded to xenial on 2016-08-10 (627 days ago) dmi.bios.date: 03/30/2009 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.0.8 dmi.board.name: 0K068D dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: OEM dmi.modalias: dmi:bvnDellInc.:bvr1.0.8:bd03/30/2009:svnDellInc.:pnInspiron518:pvr00:rvnDellInc.:rn0K068D:rvrA00:cvnDellInc.:ct3:cvrOEM: dmi.product.name: Inspiron 518 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767857/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
