Re: [Qemu-discuss] xHCI controller/USB passthrough device - event ring full error on high packet rate

2018-02-04 Thread Samuel Brian
Hi Gerd, In the guest, the qmi_wwan kernel driver drives the modem. It seems to behave properly with respect to interrupts -- the rate of interrupts I see in /proc/interrupts is not proportional to the packet rate. I've tried a few things to help the performance: 1. pinning qemu and the vcpu

Re: [Qemu-discuss] xHCI controller/USB passthrough device - event ring full error on high packet rate

2018-02-01 Thread Gerd Hoffmann
On Thu, Dec 07, 2017 at 05:52:25PM +1000, Samuel Brian wrote: > Hi all, Sorry, for the long delay, was offline for a few weeks due to a broken finger and now I'm going back in my inbox looking for unanswered mails. > xhci_hcd :00:05.0: ERROR unknown event type 37 > Qemu gives me this error