Ticket has been moved here (thanks, Maksim!): https://gitlab.com/qemu-project/qemu/-/issues/286 Thus closing this one at Launchpad now.
** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #286 https://gitlab.com/qemu-project/qemu/-/issues/286 ** Changed in: qemu Status: Incomplete => Invalid -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1896754 Title: Performance degradation for WinXP boot time after b55f54bc Status in QEMU: Invalid Bug description: Qemu 5.1 loads Windows XP in TCG mode 5-6 times slower (~2 minutes) than 4.2 (25 seconds), I git bisected it, and it appears that commit b55f54bc965607c45b5010a107a792ba333ba654 causes this issue. Probably similar to an older fixed bug https://bugs.launchpad.net/qemu/+bug/1672383 Command line is trivial: qemu-system-x86_64 -nodefaults -vga std -m 4096M -hda WinXP.qcow2 -monitor stdio -snapshot To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1896754/+subscriptions
