[Bug 258776] 13.0-RELEASE Installation media kernel panic under Qemu/KVM

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 29 Sep 2021 10:23:47 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258776

            Bug ID: 258776
           Summary: 13.0-RELEASE Installation media kernel panic under
                    Qemu/KVM
           Product: Base System
           Version: 13.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: yann@droneaud.fr
 Attachment #228242 text/plain
         mime type:

Created attachment 228242
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=228242&action=edit
kernel.log

Booting amd64/x86_64 from 13.0-RELEASE .iso under libvirtd/QEMU/KVM/Linux
always trigger the following panic:

  Fatal trap 12: page fault while in kernel mode
  cpuid = 0; apic id = 00
  fault virtual address = 0xfffffe004adb50c0
  fault code            = supervisor write data, page not present
  instruction pointer   = 0x20:0xffffffff81086d0d
  stack pointer         = 0x28:0xfffffe004adb3850
  frame pointer         = 0x28:0xfffffe004adb3850
  code segment          = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
  processor eflags      = interrupt enabled, resume, IOPL = 0
  current process               = 615 (syslogd)
  trap number           = 12
  panic: page fault
  cpuid = 0
  time = 1632906951
  KDB: stack backtrace:
  #0 0xffffffff80c57345 at kdb_backtrace+0x65
  #1 0xffffffff80c09d21 at vpanic+0x181
  #2 0xffffffff80c09b93 at panic+0x43
  #3 0xffffffff8108b187 at trap_fatal+0x387
  #4 0xffffffff8108b1df at trap_pfault+0x4f
  #5 0xffffffff8108a83d at trap+0x27d
  #6 0xffffffff810617a8 at calltrap+0x8
  #7 0xffffffff81064e71 at fpugetregs+0x171
  #8 0xffffffff810686ec at sendsig+0x16c
  #9 0xffffffff80c0f527 at postsig+0x1a7
  #10 0xffffffff80c6dfa7 at ast+0x307
  #11 0xffffffff810641b9 at doreti_ast+0x1f

Ubuntu 21.04 is used as host operating system with:
  - libvirt-daemon-driver-qemu/hirsute-updates,now 7.0.0-2ubuntu2.1
  - qemu-system-x86/hirsute-updates,hirsute-security,now 1:5.2+dfsg-9ubuntu3.1
amd64
  - linux-image-generic/hirsute-updates,hirsute-security 5.11.0.37.39 amd64

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