Hi Dmitry, Have you seen any problems with e1000e migration under windows? I've got a repeatable case where after migration with e1000e windows hangs/almost hangs. I'm seeing the e1000e generate interrupts at a very very high rate (maybe ~1000 second ish?) after migration.
Some versions of qemu do it and some dont, but my attempts at bisection lead me to code that should be irrelevant. Prior to migration I see: [email protected]:e1000e_irq_pending_interrupts ICR PENDING: 0x100000 (ICR: 0x80100082, IMS: 0x1f00004) [email protected]:e1000e_irq_pending_interrupts ICR PENDING: 0x0 (ICR: 0x80000082, IMS: 0x1a00004) [email protected]:e1000e_irq_pending_interrupts ICR PENDING: 0x0 (ICR: 0x80000082, IMS: 0x1f00004) [email protected]:e1000e_irq_pending_interrupts ICR PENDING: 0x0 (ICR: 0x80000082, IMS: 0x1a00004) [email protected]:e1000e_irq_pending_interrupts ICR PENDING: 0x0 (ICR: 0x80000082, IMS: 0x1f00004) which I think the ICR means: 31 - int asserted 20 - RxQ0 - receive queue 0 interrupt 7 - RXT0 - receiver timer interrupt 1 - TXQE - Transmit Queue empty after migration it varies more, I'm seeing mostly: [email protected]:e1000e_irq_pending_interrupts ICR PENDING: 0x1000000 (ICR: 0x815000c2, IMS: 0x1a00004) 31 - int asserted 24 - 'Other' 22 - TxQ0 interrupt 20 - RxQ0 interrupt 07 - RXT0 Receiver timer interrupt 06 - RX0 - Receiver overrun 01 - TXQE - Transmit queue empty For reference this is https://bugzilla.redhat.com/show_bug.cgi?id=1447935 Dave -- Dr. David Alan Gilbert / [email protected] / Manchester, UK
