Re: [Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-22 Thread Sameeh Jubran
On Mon, May 22, 2017 at 5:46 AM, Jason Wang wrote: > > > On 2017年05月19日 22:04, Sameeh Jubran wrote: > >> On Fri, May 19, 2017 at 9:25 AM, Jason Wang wrote: >> >> >>> On 2017年05月17日 19:46, Sameeh Jubran wrote: >>> >>> The bug was caused by the "receive

Re: [Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-21 Thread Jason Wang
On 2017年05月19日 22:04, Sameeh Jubran wrote: On Fri, May 19, 2017 at 9:25 AM, Jason Wang wrote: On 2017年05月17日 19:46, Sameeh Jubran wrote: The bug was caused by the "receive overrun" (bit #6 of the ICR register) interrupt which would be triggered post migration in a

Re: [Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-19 Thread Sameeh Jubran
On Fri, May 19, 2017 at 9:25 AM, Jason Wang wrote: > > > On 2017年05月17日 19:46, Sameeh Jubran wrote: > >> The bug was caused by the "receive overrun" (bit #6 of the ICR register) >> interrupt >> which would be triggered post migration in a heavy traffic environment. >> Even

Re: [Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-19 Thread Jason Wang
On 2017年05月17日 19:46, Sameeh Jubran wrote: The bug was caused by the "receive overrun" (bit #6 of the ICR register) interrupt which would be triggered post migration in a heavy traffic environment. Even though the "receive overrun" bit (#6) is masked out by the IMS register (refer to the log

Re: [Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-18 Thread Paolo Bonzini
On 18/05/2017 12:04, Dr. David Alan Gilbert wrote: > * Sameeh Jubran (sam...@daynix.com) wrote: >> The bug was caused by the "receive overrun" (bit #6 of the ICR register) >> interrupt >> which would be triggered post migration in a heavy traffic environment. Even >> though the >> "receive

Re: [Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-18 Thread Dr. David Alan Gilbert
* Sameeh Jubran (sam...@daynix.com) wrote: > The bug was caused by the "receive overrun" (bit #6 of the ICR register) > interrupt > which would be triggered post migration in a heavy traffic environment. Even > though the > "receive overrun" bit (#6) is masked out by the IMS register (refer to

Re: [Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-17 Thread Dmitry Fleytman
> On 17 May 2017, at 14:46 PM, Sameeh Jubran wrote: > > The bug was caused by the "receive overrun" (bit #6 of the ICR register) > interrupt > which would be triggered post migration in a heavy traffic environment. Even > though the > "receive overrun" bit (#6) is masked

[Qemu-devel] [PATCH] e1000e: Fix a bug where guest hangs upon migration

2017-05-17 Thread Sameeh Jubran
The bug was caused by the "receive overrun" (bit #6 of the ICR register) interrupt which would be triggered post migration in a heavy traffic environment. Even though the "receive overrun" bit (#6) is masked out by the IMS register (refer to the log below) the driver still receives an interrupt