Thread (16 messages) 16 messages, 8 authors, 2025-07-08

Re: [PATCHv3 0/2]

From: Lei Yang <hidden>
Date: 2025-02-28 08:08:10
Also in: kvm, virtualization

Hi Keith

V3 introduced a new bug, the following error messages from qemu output
after applying this patch to boot up a guest.
Error messages:
error: kvm run failed Invalid argument
error: kvm run failed Invalid argument
EAX=00000000 EBX=00000000 ECX=00000000 EDX=000806f4
ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
EIP=0000fff0 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 00000000 0000ffff 00009300
CS =f000 ffff0000 0000ffff 00009b00
SS =0000 00000000 0000ffff 00009300
DS =0000 00000000 0000ffff 00009300
FS =0000 00000000 0000ffff 00009300
GS =0000 00000000 0000ffff 00009300
LDT=0000 00000000 0000ffff 00008200error: kvm run failed Invalid argument

TR =0000 00000000 0000ffff 00008b00
GDT=     00000000 0000ffff
IDT=     00000000 0000ffff
CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000000
Code=c5 5a 08 2d 00 00 00 00 00 00 00 00 00 00 00 00 56 54 46 00 <0f>
20 c0 a8 01 74 05 e9 2c ff ff ff e9 11 ff 90 00 00 00 00 00 00 00 00
00 00 00 00 00 00
EAX=00000000 EBX=00000000 ECX=00000000 EDX=000806f4
ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
EIP=0000fff0 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 00000000 0000ffff 00009300
CS =f000 ffff0000 0000ffff 00009b00
SS =0000 00000000 0000ffff 00009300
DS =0000 00000000 0000ffff 00009300
FS =0000 00000000 0000ffff 00009300
GS =0000 00000000 0000ffff 00009300
LDT=0000 00000000 0000ffff 00008200
TR =0000 00000000 0000ffff 00008b00
GDT=     00000000 0000ffff
IDT=     00000000 0000ffff
CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000000
Code=c5 5a 08 2d 00 00 00 00 00 00 00 00 00 00 00 00 56 54 46 00 <0f>
20 c0 a8 01 74 05 e9 2c ff ff ff e9 11 ff 90 00 00 00 00 00 00 00 00
00 00 00 00 00 00
EAX=00000000 EBX=00000000 ECX=00000000 EDX=000806f4
ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
EIP=0000fff0 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 00000000 0000ffff 00009300
CS =f000 ffff0000 0000ffff 00009b00
SS =0000 00000000 0000ffff 00009300
DS =0000 00000000 0000ffff 00009300
FS =0000 00000000 0000ffff 00009300
GS =0000 00000000 0000ffff 00009300
LDT=0000 00000000 0000ffff 00008200
TR =0000 00000000 0000ffff 00008b00
GDT=     00000000 0000ffff
IDT=     00000000 0000ffff
CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000000
Code=c5 5a 08 2d 00 00 00 00 00 00 00 00 00 00 00 00 56 54 46 00 <0f>
20 c0 a8 01 74 05 e9 2c ff ff ff e9 11 ff 90 00 00 00 00 00 00 00 00
00 00 00 00 00 00

Thanks
Lei

On Fri, Feb 28, 2025 at 7:06 AM Keith Busch [off-list ref] wrote:
From: Keith Busch <kbusch@kernel.org>

changes from v2:

  Fixed up the logical error in vhost on the new failure criteria

Keith Busch (1):
  vhost: return task creation error instead of NULL

Sean Christopherson (1):
  kvm: retry nx_huge_page_recovery_thread creation

 arch/x86/kvm/mmu/mmu.c    | 12 +++++-------
 drivers/vhost/vhost.c     |  2 +-
 include/linux/call_once.h | 16 +++++++++++-----
 kernel/vhost_task.c       |  4 ++--
 4 files changed, 19 insertions(+), 15 deletions(-)

--
2.43.5
  
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