Public bug reported:
after update my hosts (OpenStack Queens) to current packages (I'm using
18.04, kernel 4.15.0-62) live-migration is intermittently failing
pausing my vms with the following error (this problem doesn't occur
before upgrade the hosts):
KVM: entry failed, hardware error 0x80000021
If you're running a guest on an Intel machine without unrestricted mode
support, the failure can be most likely due to the guest entering an invalid
state for Intel VT. For example, the guest maybe running in big real mode
which is not supported on less recent Intel processors.
RAX=ffffffff997bdc50 RBX=0000000000000003 RCX=0000000000000000
RDX=0000000000000000
RSI=0000000000000000 RDI=0000000000000000 RBP=ffffb8d940387e78
RSP=ffffb8d940387e78
R8 =0000000000000004 R9 =ffff9dc43fd9d220 R10=0000000000000000
R11=000000cfc7d0f8fb
R12=0000000000000003 R13=ffff9dc43c8e8000 R14=0000000000000000
R15=0000000000000000
RIP=ffffffff997bdfc2 RFL=00010246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00000000
FS =0000 0000000000000000 ffffffff 00000000
GS =0000 ffff9dc43fd80000 ffffffff 00000000
LDT=0000 0000000000000000 000fffff 00000000
TR =0040 fffffe0000087000 0000206f 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000085000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00000000ffffffff CR3=0000000052e0a003 CR4=00760ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d f0 bc 44 00 fb f4 <5d> c3 66 90
66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 00 0f 00 2d d0 bc 44 00
KVM: entry failed, hardware error 0x80000021
If you're running a guest on an Intel machine without unrestricted mode
support, the failure can be most likely due to the guest entering an invalid
state for Intel VT. For example, the guest maybe running in big real mode
which is not supported on less recent Intel processors.
RAX=ffffffff997bdc50 RBX=0000000000000002 RCX=0000000000000000
RDX=0000000000000000
RSI=0000000000000000 RDI=0000000000000000 RBP=ffffb8d94037fe78
RSP=ffffb8d94037fe78
R8 =0000000000000004 R9 =ffff9dc43fd1d220 R10=0000000000000000
R11=000000cfcef806fb
R12=0000000000000002 R13=ffff9dc43c8ebb80 R14=0000000000000000
R15=0000000000000000
RIP=ffffffff997bdfc2 RFL=00010246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00000000
FS =0000 0000000000000000 ffffffff 00000000
GS =0000 ffff9dc43fd00000 ffffffff 00000000
LDT=0000 0000000000000000 ffffffff 00000000
TR =0040 fffffe000005b000 0000206f 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000059000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00000000ffffffff CR3=0000000052e0a003 CR4=00760ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d f0 bc 44 00 fb f4 <5d> c3 66 90
66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 00 0f 00 2d d0 bc 44 00
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1843444
Title:
Guests paused/crash during live-migration
Status in linux package in Ubuntu:
New
Bug description:
after update my hosts (OpenStack Queens) to current packages (I'm
using 18.04, kernel 4.15.0-62) live-migration is intermittently
failing pausing my vms with the following error (this problem doesn't
occur before upgrade the hosts):
KVM: entry failed, hardware error 0x80000021
If you're running a guest on an Intel machine without unrestricted mode
support, the failure can be most likely due to the guest entering an invalid
state for Intel VT. For example, the guest maybe running in big real mode
which is not supported on less recent Intel processors.
RAX=ffffffff997bdc50 RBX=0000000000000003 RCX=0000000000000000
RDX=0000000000000000
RSI=0000000000000000 RDI=0000000000000000 RBP=ffffb8d940387e78
RSP=ffffb8d940387e78
R8 =0000000000000004 R9 =ffff9dc43fd9d220 R10=0000000000000000
R11=000000cfc7d0f8fb
R12=0000000000000003 R13=ffff9dc43c8e8000 R14=0000000000000000
R15=0000000000000000
RIP=ffffffff997bdfc2 RFL=00010246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00000000
FS =0000 0000000000000000 ffffffff 00000000
GS =0000 ffff9dc43fd80000 ffffffff 00000000
LDT=0000 0000000000000000 000fffff 00000000
TR =0040 fffffe0000087000 0000206f 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000085000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00000000ffffffff CR3=0000000052e0a003 CR4=00760ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d f0 bc 44 00 fb f4 <5d> c3 66
90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 00 0f 00 2d d0 bc 44 00
KVM: entry failed, hardware error 0x80000021
If you're running a guest on an Intel machine without unrestricted mode
support, the failure can be most likely due to the guest entering an invalid
state for Intel VT. For example, the guest maybe running in big real mode
which is not supported on less recent Intel processors.
RAX=ffffffff997bdc50 RBX=0000000000000002 RCX=0000000000000000
RDX=0000000000000000
RSI=0000000000000000 RDI=0000000000000000 RBP=ffffb8d94037fe78
RSP=ffffb8d94037fe78
R8 =0000000000000004 R9 =ffff9dc43fd1d220 R10=0000000000000000
R11=000000cfcef806fb
R12=0000000000000002 R13=ffff9dc43c8ebb80 R14=0000000000000000
R15=0000000000000000
RIP=ffffffff997bdfc2 RFL=00010246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00000000
FS =0000 0000000000000000 ffffffff 00000000
GS =0000 ffff9dc43fd00000 ffffffff 00000000
LDT=0000 0000000000000000 ffffffff 00000000
TR =0040 fffffe000005b000 0000206f 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000059000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00000000ffffffff CR3=0000000052e0a003 CR4=00760ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d f0 bc 44 00 fb f4 <5d> c3 66
90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 00 0f 00 2d d0 bc 44 00
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