On Wed, Dec 23, 2015 at 06:40:12AM +, Gonglei (Arei) wrote:
> > From: Kevin O'Connor [mailto:ke...@koconnor.net]
> > On Tue, Dec 22, 2015 at 02:14:12AM +, Gonglei (Arei) wrote:
> > > Sorry, it doesn't work. What's worse is we cannot stop SeaBIOS stuck by
> > > Setting
On Tue, Dec 22, 2015 at 03:15:26AM +, Xulei (Stone) wrote:
> Hi, Kevin,
> Can you tell how to reset/reboot this VM, if it goes to the handle_hwpic1()
> on its booting procedure? I mean, usually, SeaBIOS would not go to
> handle_hwpic routine. But in my test case, SeaBIOS calls handle_hwpic
> > > To: Gonglei (Arei)
> > > Cc: Xulei (Stone); Paolo Bonzini; qemu-devel; seab...@seabios.org;
> > > Huangweidong (C); kvm@vger.kernel.org; Radim Krcmar
> > > Subject: Re: [Qemu-devel] [PATCH] SeaBios: Fix reset procedure reentrancy
> > > problem on
idong (C); kvm@vger.kernel.org; Radim Krcmar
> > Subject: Re: [Qemu-devel] [PATCH] SeaBios: Fix reset procedure reentrancy
> > problem on qemu-kvm platform
> >
> > On Mon, Dec 21, 2015 at 09:41:32AM +, Gonglei (Arei) wrote:
> > > When the gurb of OS is bootin
On Mon, Dec 21, 2015 at 09:41:32AM +, Gonglei (Arei) wrote:
> When the gurb of OS is booting, then the softirq and C function send_disk_op()
> may use extra stack of SeaBIOS. If we inject a NMI, romlayout.S:
> irqentry_extrastack
> is invoked, and the extra stack will be used again. And the
cmar
> Subject: Re: [Qemu-devel] [PATCH] SeaBios: Fix reset procedure reentrancy
> problem on qemu-kvm platform
>
> On Sun, Dec 20, 2015 at 09:49:54AM +, Gonglei (Arei) wrote:
> > > From: Kevin O'Connor [mailto:ke...@koconnor.net]
> > > Sent: Saturday, December 19, 2
olo Bonzini; qemu-devel; seab...@seabios.org;
>> Huangweidong (C); kvm@vger.kernel.org; Radim Krcmar
>> Subject: Re: [Qemu-devel] [PATCH] SeaBios: Fix reset procedure reentrancy
>> problem on qemu-kvm platform
>>
>> On Mon, Dec 21, 2015 at 09:41:32AM +, Gonglei (Arei
ject: Re: [Qemu-devel] [PATCH] SeaBios: Fix reset procedure reentrancy
> problem on qemu-kvm platform
>
> On Mon, Dec 21, 2015 at 09:41:32AM +, Gonglei (Arei) wrote:
> > When the gurb of OS is booting, then the softirq and C function
> > send_disk_op() may use extra stack of Se
> -Original Message-
> From: Kevin O'Connor [mailto:ke...@koconnor.net]
> Sent: Saturday, December 19, 2015 11:12 PM
> On Sat, Dec 19, 2015 at 12:03:15PM +, Gonglei (Arei) wrote:
> > Maybe the root cause is not NMI but INTR, so yield() can open hardware
> interrupt,
> > And then
On Sun, Dec 20, 2015 at 09:49:54AM +, Gonglei (Arei) wrote:
> > From: Kevin O'Connor [mailto:ke...@koconnor.net]
> > Sent: Saturday, December 19, 2015 11:12 PM
> > On Sat, Dec 19, 2015 at 12:03:15PM +, Gonglei (Arei) wrote:
> > > Maybe the root cause is not NMI but INTR, so yield() can
Hi Kevin,
> -Original Message-
> From: Kevin O'Connor [mailto:ke...@koconnor.net]
>
> On Fri, Dec 18, 2015 at 03:04:58AM +, Gonglei (Arei) wrote:
> > Hi Kevin & Paolo,
> >
> > Luckily, I reproduced this problem last night. And I got the below log when
> SeaBIOS is stuck.
> [...]
> >
On Sat, Dec 19, 2015 at 12:03:15PM +, Gonglei (Arei) wrote:
> Maybe the root cause is not NMI but INTR, so yield() can open hardware
> interrupt,
> And then execute interrupt handler, but the interrupt handler make the SeaBIOS
> stack broken, so that the BSP can't execute the instruction and
ot;);
}
void
diff --git a/roms/seabios/src/stacks.c b/roms/seabios/src/stacks.c
index 1dbdfe9..c1b5203 100644
--- a/roms/seabios/src/stacks.c
+++ b/roms/seabios/src/stacks.c
@@ -174,6 +174,7 @@ call16_smm(u32 eax, u32 edx, void *func)
static void
call32_sloppy_prep(void)
{
+dprintf(1, ">
On Fri, Dec 18, 2015 at 03:04:58AM +, Gonglei (Arei) wrote:
> Hi Kevin & Paolo,
>
> Luckily, I reproduced this problem last night. And I got the below log when
> SeaBIOS is stuck.
[...]
> [2015-12-18 10:38:10] gonglei: finish while
[...]
> <...>-31509 [035] 154753.180077: kvm_exit:
>
> From: Kevin O'Connor [mailto:ke...@koconnor.net]
> Sent: Saturday, December 19, 2015 7:13 AM
> To: Gonglei (Arei)
> Cc: Xulei (Stone); Paolo Bonzini; qemu-devel; seab...@seabios.org;
> Huangweidong (C); kvm@vger.kernel.org
> Subject: Re: [Qemu-devel] [PATCH] SeaBios
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