Re: [PATCH 1/1] rpmsg: virtio_rpmsg_bus - prevent possible race condition

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On 9/13/23 09:07, Tim Blechmann wrote:
virtio emits a few times:
[  404.XXXXXX] No more buffers in queue
and then
[  404.588722] remoteproc remoteproc0: vq index 1 is interrupted
[  404.597249] virtqueue interrupt with no work for 6d53f13a

Difficult to understand the scheduling with your trace. Could you enable ftrace to
observe it (mailbox interrupts,rpmsg and virtio functions)

full trace, that my worker did (quite large, so i zipped it):

the interesting part starts at 907.2244250

many thanks,

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