Created attachment 137254 [details] Linux 4.14.13 messages On a Asus F2A85-M PRO with an AMD A6-6400K APU with Radeon HD Graphics and Linux 4.14.13 there is a regression, that resume time of the radeon module is two seconds. `sleepgraph.py` [1] is used to benchmark this. > radeon @ 0000:00:01.0 {radeon} async_device (Total Suspend: 304.076 ms Total Resume: 2138.431 ms) The call below causes this. > radeon_ib_ring_tests [radeon] (1589.415 ms @ 6905.136004) [1] https://01.org/suspendresume [2] https://github.com/01org/pm-graph
You could bisect, but I would say in general that is desired behavior. We must make sure that the hardware is correctly powered up before continuing here.
(In reply to Christian König from comment #1) > You could bisect, but I would say in general that is desired behavior. > > We must make sure that the hardware is correctly powered up before > continuing here. Are you sure, that the hardware is correctly probed and this is not some kind of error? It would be a really buggy hardware design, if it had to take that long. That’s longer then coreboot takes on devices, and you will have big problems to meet Google Chromebook and -boxes standards, and to be chosen as a probable device. Also, debugging such issues should be made easier.
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