From: "liguang.zhang"
Fix the guest reboot error when using KVM
There are two issues when rebooting a guest using KVM
1. When the guest initiates a reboot the host is unable to stop the vcpu
2. When running a SMP guest the qemu monitor system_reset causes a vcpu crash
This can be fixed by cleari
From: "liguang.zhang"
Fix the guest reboot error when using KVM
There are two issues when rebooting a guest using KVM
1. When the guest initiates a reboot the host is unable to stop the vcpu
2. When running a SMP guest the qemu monitor system_reset causes a vcpu crash
This can be fixed by cleari
On Sun, July 18, 2023 at 6:55 PM liguang.zhang <18622748...@163.com> wrote:
On Sun, Jun 25, 2023 at 12:50 PM liguang.zhang <18622748...@163.com> wrote:
From: "liguang.zhang"
There are two issues when rebooting a guest using KVM
1. When the guest initiates a reboot the host is unable to stop the
On Sun, July 18, 2023 at 6:55 PM liguang.zhang <18622748...@163.com> wrote:
On Sun, Jun 25, 2023 at 12:50 PM liguang.zhang <18622748...@163.com> wrote:
From: "liguang.zhang"
There are two issues when rebooting a guest using KVM
1. When the guest initiates a reboot the host is unable to stop the
On Sun, Jun 25, 2023 at 12:50 PM liguang.zhang <18622748...@163.com> wrote:
>
> From: "liguang.zhang"
>
> There are two issues when rebooting a guest using KVM
> 1. When the guest initiates a reboot the host is unable to stop the vcpu
> 2. When running a SMP guest the qemu monitor system_reset cau
3.com> <mailto:18622748...@163.com>
Cc qemu-devel@nongnu.org ,
<mailto:qemu-devel@nongnu.org>pbonz...@redhat.com ,
<mailto:pbonz...@redhat.com>张立广
<mailto:liguang.zh...@hexintek.com>
Subject Re: [PATCH] target/riscv: fix the issue of guest reboot then no
response
From: "liguang.zhang"
There are two issues when rebooting a guest using KVM
1. When the guest initiates a reboot the host is unable to stop the vcpu
2. When running a SMP guest the qemu monitor system_reset causes a vcpu crash
This can be fixed by clearing the CSR values at reset and syncing the
From: "liguang.zhang"
There have a issue of guest reboot bug in kvm-mode:
1. in guest shell just run the reboot, guest can't reboot success, and host kvm
stop the vcpu schedual.
2. for smp guest, ctrl+a+c switch to qemu command, use system_reset command to
reset the guest, then vcpu crash
kern
From: "liguang.zhang"
There have a issue of guest reboot bug in kvm-mode:
1. in guest shell just run the reboot, guest can't reboot success, and host kvm
stop the vcpu schedual.
2. for smp guest, ctrl+a+c switch to qemu command, use system_reset command to
reset the guest, then vcpu crash
kern
On Mon, Jun 12, 2023 at 11:07 PM liguang.zhang <18622748...@163.com> wrote:
>
> From: "liguang.zhang"
Hello, thanks for the patch
>
> There have a issue of guest reboot bug in kvm-mode:
> 1. in guest shell just run the reboot, guest can't reboot success, and host
> kvm stop the vcpu schedual.
>
From: "liguang.zhang"
There have a issue of guest reboot bug in kvm-mode:
1. in guest shell just run the reboot, guest can't reboot success, and host kvm
stop the vcpu schedual.
2. for smp guest, ctrl+a+c switch to qemu command, use system_reset command to
reset the guest, then vcpu crash
kern
From: "liguang.zhang"
kernel log
```shell
The system is going down NOW!
Sent SIGTERM to all processes
logout
Sent SIGKILL to all processes
Requesting system reboot
```
then no response
for qemu command:
system_reset:
kernel log:
```shell
[ 53.739556] kvm [150]: VCPU exit error -95
[ 53.739
From: "liguang.zhang"
kernel log
```shell
reboot
The system is going down NOW!
Sent SIGTERM to all processes
logout
Sent SIGKILL to all processes
Requesting system reboot
```
then no response
for qemu command:
system_reset:
kernel log:
```shell
[ 53.739556] kvm [150]: VCPU exit error -95
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