Re: I'm now looking into kvm-unit-tests and encounted with some problems.

["Jinjian (Ken)" <jinjian@huawei.com>]

To Peter,
    Thank you very much!
    I'm sorry this is my first kvm mail, and have no experience.

On 2015/8/26 8:40, Huangpeng (Peter) wrote:
> You should add kvm maillinglist too.
>
> -----邮件原件-----
> 发件人: Jinjian (Ken)
> 发送时间: 2015年8月25日 21:42
> 收件人: drjones@redhat.com; pbonzini@redhat.com
> 抄送: Huangpeng (Peter); Gonglei (Arei); Zhanghailiang
> 主题: I'm now looking into kvm-unit-tests and encounted with some problems.
>
> Hi all:
>      I'm now looking into kvm-unit-tests and encounted with some problems.
>
> 1. when I run run_test.sh, it reported "exec: {config_fd}: not found".
> how and where to define it?
>
> 2. all tests run with -smp 2(or 3) hang.
> for example, run apic unittest, command as follows:
> qemu-kvm --enable-kvm -device pc-testdev -device
> isa-debug-exit,iobase=0xf4,iosize=0x4 -serial stdio -device pci-testdev -kernel x86/apic.flat -smp 2 -vnc none
> result: enter into an endless loop
> the related codes are:
> x86/apic.c
>     test_sti_nmi()
>           on_cpu_async(1, sti_loop, 0);
>
>     static void sti_loop(void *ignore)
>     {
>        unsigned k = 0;
>
>        while (sti_loop_active) {
>          sti_nop((char *)(ulong)((k++ * 4096) % (128 * 1024 * 1024)));
>        }
>     }
>
> 3. s3 kvm-unit-test hang
> run s3 unittest, command as follows:
> qemu-kvm --enable-kvm -device pc-testdev -device
> isa-debug-exit,iobase=0xf4,iosize=0x4 -serial stdio -device pci-testdev -kernel x86/s3.flat -vnc none
> s3 hang at resume event
> logs:
> RSDP is at f62c0
> RSDT is at 7fe16a9
> FADT is at 7fe0bda
> FACS is at 7fe0000
> resume vector addr is 7fe000c
> copy resume code from 400350
>
> 4.qemu exit and fail even after the problematic code is commented, when we run emulate unittest.
> run emulate unittest,command as follows:
> qemu-kvm --enable-kvm -device pc-testdev -device
> isa-debug-exit,iobase=0xf4,iosize=0x4  -serial stdio -device pci-testdev -kernel x86/emulator.flat -vnc none
> result: qemu exit when do test_muldiv
> logs:
> PASS: imul rax, mem, imm
> unhandled cpu excecption 8
>
> If The code which cause qemu exit is commented, the test also fail
> logs:
> FAIL: mov null, %ss
>
> Question:
> What's the cause of the problem at your view? looking forward for your reply.
>
> Thank you in advance.
>
>
>