RHEL7 guest with AMD cpu fails to boot after upgrading underlying RHEL6 host with AMD cpu to kernel-2.6.32-754.3.5.el6.x86_64.

Solution Verified - Updated -

Issue

  • RHEL 7 guest with AMD cpu and kernel-3.10.0-693.17.1.el7.x86_64 or later fails to boot and produces double fault at very initial stage of booting.
[   38.737893] double fault: 0000 [#1] SMP 
[   38.761447] Modules linked in:
[   38.767147] CPU: 1 PID: 1 Comm: init Not tainted 3.10.0-862.11.6.el7.x86_64 #1
[   38.783115] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007
[   38.803074] task: ffff93b4fc140000 ti: ffff93b4fc148000 task.ti: ffff93b4fc148000
[   38.850840] RIP: 0010:[<ffffffffbad1c73d>]  [<ffffffffbad1c73d>] page_fault+0xd/0x30
[   38.895660] RSP: 0018:00007ffeb3309fa8  EFLAGS: 00010012
[   38.903033] RAX: 00000000bad1c4d6 RBX: 0000000000000001 RCX: ffffffffbad1c4d6
[   38.917755] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   38.949054] RBP: 000000000000000a R08: 000000000000037f R09: 0000000000000064
[   38.956310] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeb330a5b9
[   38.965358] R13: 0000000000000000 R14: 00005602ca6053c3 R15: 0000000000001000
[   38.987827] FS:  00007f74fa1a1740(0000) GS:ffff93b4ffd00000(0000) knlGS:0000000000000000
[   39.000266] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   39.010642] CR2: 00007ffeb3309f98 CR3: 0000000078de6000 CR4: 00000000000406e0
[   39.030904] Call Trace:
[   39.035722] Code: 48 89 e7 48 8b 74 24 78 48 c7 44 24 78 ff ff ff ff e8 08 42 00 00 e9 03 04 00 00 0f 1f 00 66 66 90 66 66 90 66 66 90 48 83 ec 78 <e8> 4e 02 00 00 48 89 e7 48 8b 74 24 78 48 c7 44 24 78 ff ff ff 
[   39.110840] RIP  [<ffffffffbad1c73d>] page_fault+0xd/0x30
[   39.122639]  RSP <00007ffeb3309fa8>
[   39.131482] ---[ end trace 6eb2aa35cfc9e17e ]---
[   39.153577] Kernel panic - not syncing: Fatal exception
[   39.171909] Kernel Offset: 0x39600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)

Environment

  • kernel-3.10.0-693.17.1.el7.x86_64 or later on RHEL7 guest.
  • AMD CPU.
  • qemu-img-0.12.1.2-2.506.el6_10.1.x86_64
  • kernel-2.6.32-754.2.1.el6.x86_64 or later on RHEL6 host.

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