Planning/5.2

Release Schedule

2020-08-12	Beginning of development phase
2020-10-27	Soft feature freeze. Only bug fixes after this point. All feature changes must be already in a sub maintainer tree and all pull requests from submaintainers must have been sent to the list by this date.
2020-11-03	Hard feature freeze. Tag rc0
2020-11-10	Tag rc1
2020-11-17	Tag rc2
2020-11-24	Tag rc3
2020-12-01	Release; or tag rc4 if needed
2020-12-08	Release if we needed an rc4

Known issues

Please list all patch series or bugs which need to be fixed for the release here. That way I can be sure I don't miss any when I'm rolling release candidates.

Fixed in rc1

• s390 is failing --without-default-devices build (https://travis-ci.com/gitlab/bonzini/qemu/jobs/426142849)
  • fixed in -rc1 via https://git.qemu.org/?p=qemu.git;a=commit;h=77280d33bc9cfdbfb5b5d462259d644f5aefe9b3
• SD command ACMD41 misbehaves (https://bugs.launchpad.net/qemu/+bug/1809291)
  • fixed: 89c6700fe7e ("hw/sd/sdcard: Zero out function selection fields before being populated")

Fixed in rc2

• ghes migration broken (looped vmstate https://lists.gnu.org/archive/html/qemu-devel/2020-10/msg05187.html )
• graphic_hw_update() may crash with -nodefaults fixed
• Xen support no longer built on arm64 fixed
• Crash with "qemu-system-ppc64 -M powernv -device macio-newworld" or "qemu-system-ppc64 -M mac99 -device macio-oldworld" (fix is available here: https://lists.gnu.org/archive/html/qemu-devel/2020-11/msg02630.html)
  • fixed: 6bfa035ec31 ("macio: set user_creatable to false in macio_class_init")
• migration incompatibility of nec-usb-xhci ( https://lists.gnu.org/archive/html/qemu-devel/2020-11/msg03128.html )
  • fixed: 172bc8520db ("xhci: fix nec-usb-xhci properties")
• 2GB SD card announced as 1GB (https://www.mail-archive.com/qemu-devel@nongnu.org/msg753834.html)
  • fixed: 575094b786e ("hw/sd: Fix 2 GiB card CSD register values")

Fixed in rc3

• Regression on POWER9 when using VSMT breaks guests (https://bugs.launchpad.net/qemu/+bug/1900241)
  • fixed: 6d24795ee7e3 ("Revert series "spapr/xive: Allocate vCPU IPIs from the vCPU contexts"")
• net: Use correct default-path macro for downscript
  • fixed: 9925990d01a ("net: Use correct default-path macro for downscript")
• "make check" breakage because of recently added "local" tests for 9pfs
  • fix: https://lists.gnu.org/archive/html/qemu-devel/2020-11/msg05794.html
• qcow2: Regression that potentially causes corruption on write_zeroes with MAY_UNMAP
  • fix: https://lists.gnu.org/archive/html/qemu-block/2020-11/msg00674.html
• set_pci_host_devaddr() fails parsing bus > 0x1f
  • fix: https://www.mail-archive.com/qemu-devel@nongnu.org/msg761406.html

Will not be fixed in 5.2

• microblaze s3adsp1800 stuck while booting (https://lists.gnu.org/archive/html/qemu-devel/2020-11/msg02183.html) - not a recent regression, also happens with v5.0 already
• error condition in hash_tbl_search_fd_by_ifid (not a regression)
  • fix: https://www.mail-archive.com/qemu-devel@nongnu.org/msg755553.html
• pica61 -device isa-vga aborts (RAMBlock "vga.vram" already registered) - not a recent regression, thus this should likely not block the release

Not fixed yet

• pci broken for s390x-on-x86 tcg guests, bisected to 28dc86a07299 ("s390x/pci: use a PCI Group structure") (https://lore.kernel.org/qemu-devel/20201117124349.2e1e2fe3.cohuck@redhat.com/)
  • fix: https://lore.kernel.org/qemu-devel/20201118104202.1301363-1-cohuck@redhat.com/
• qga: Correct loop count in qmp_guest_get_vcpus
  • proposed fix: https://www.mail-archive.com/qemu-devel@nongnu.org/msg761395.html

Targeted Features

See the ChangeLog/5.2 for full details.