From: Paolo Bonzini <pbonzini@redhat.com>
To: "Wanpeng Li" <kernellwp@gmail.com>, "Radim Krčmář" <rkrcmar@redhat.com>
Cc: kvm <kvm@vger.kernel.org>, P J P <ppandit@redhat.com>
Subject: Re: [kvm-unit-tests PATCH 0/2] x86: Testcase for wrong TF handling in syscall/sysret
Date: Thu, 27 Jul 2017 15:09:14 +0200 [thread overview]
Message-ID: <2a9a7ccb-4d60-78dc-177b-c7953612b64c@redhat.com> (raw)
In-Reply-To: <CANRm+Cwx59GBoyWzYVB0vzq2LhLtYdM7OWKcTO5Vwz-nWmc0Lw@mail.gmail.com>
On 27/07/2017 14:05, Wanpeng Li wrote:
> 2017-06-22 23:27 GMT+08:00 Radim Krčmář <rkrcmar@redhat.com>:
>> Patch 1 creates a new testcase executable, and patch 2 tests the bug.
>>
>> Paolo Bonzini (2):
>> x86: move syscall MSR testcase to separate test
>> x86: add testcase for syscall/sysret TF handling
>
> ./x86-run x86/syscall.flat
> qemu-system-i386 -nodefaults -device pc-testdev -device
> isa-debug-exit,iobase=0xf4,iosize=0x4 --enable-kvm -vnc none -serial
> stdio -device pci-testdev -machine accel=kvm -kernel x86/syscall.flat
> enabling apic
> PASS: MSR_*STAR eager loading
> Unhandled exception 6 #UD at ip 000000000040036e
> error_code=0000 rflags=00010046 cs=0000003b
> rax=0000000000000146 rcx=0000000000400365 rdx=0000000000000001
> rbx=00000000c0000080
> rbp=000000000044df80 rsi=0000000000400372 rdi=0000000000000001
> r8=000000000040c70c r9=00000000000003f8 r10=0000000000000002
> r11=0000000000000046
> r12=00000000c0000081 r13=00000097cfdff1ab r14=00000097d130aad0
> r15=0000000000000002
> cr0=0000000080000011 cr2=0000000000000000 cr3=0000000000409000
> cr4=0000000000000020
> cr8=0000000000000000
> STACK: @40036e 4002a2
>
> I can encounter this w/ -cpu host or w/o -cpu host for both
> qemu-system-i386 and qemu-system-x86_64.
Correct. From x86/unittests.cfg:
[syscall]
file = syscall.flat
extra_params = -cpu Opteron_G1,vendor=AuthenticAMD
Paolo
prev parent reply other threads:[~2017-07-27 13:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-22 15:27 [kvm-unit-tests PATCH 0/2] x86: Testcase for wrong TF handling in syscall/sysret Radim Krčmář
2017-06-22 15:27 ` [kvm-unit-tests PATCH 1/2] x86: move syscall MSR testcase to separate test Radim Krčmář
2017-06-22 15:27 ` [kvm-unit-tests PATCH 2/2] x86: add testcase for syscall/sysret TF handling Radim Krčmář
2017-07-27 12:05 ` [kvm-unit-tests PATCH 0/2] x86: Testcase for wrong TF handling in syscall/sysret Wanpeng Li
2017-07-27 13:09 ` Paolo Bonzini [this message]
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