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| fault 14:30:05.230227 -0600 kernel virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): initial wait for 1 second expired. Continue wait for 4 seconds. stamp 8060894 (gpu_stamp=8060893) | |
| fault 14:30:09.230120 -0600 kernel virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): timeout waiting for IntelAccelerator stamp 8060894 (gpu_stamp=8060893) | |
| fault 14:30:09.230137 -0600 kernel void IOAccelEventMachine2::handleFinishChannelRestart(IOReturn, int32_t, uint32_t) - Setting restart type to 4 | |
| fault 14:30:09.230141 -0600 kernel void IOAccelEventMachine2::handleFinishChannelRestart(IOReturn, int32_t, uint32_t): GPURestartDequeued stampIdx=4 type=4 fromWhere=1 waitingOnIdx=4 | |
| fault 14:30:09.230190 -0600 kernel void IOAccelEventMachine2::restart_channel(): GPURestartSkipped stampIdx=4 type=4 | |
| fault 14:30:09.230194 -0600 kernel void IOAccelEventMachine2::restart_channel(): no channel associated with stamp_idx 4 (type 4) |
@ulyssesbbg I just started having this issue too. MacBook Pro (Retina, 13-inch, Mid 2014). High Sierra 10.13.1. Can't figure out what changed. Other than updating Xcode, command line tools, and iTunes recently, everything is as it used to be...
I'm having this exact problem as well, High Sierra 10.13.2, MacBook Pro (Retina, 15-inch, Mid 2015). Screen hangs
I was having exactly the same problem, also on a Mid 2014, 13-inch, Retina MBP. (Also, see this Apple forums post.)
The only third-party kernel extensions loaded were the VirtualBox ones, duet, and AirParrot. As I was not currently using any of these programs on this machine, I uninstalled them all, and have not had the problem since. Although I didn't uninstall them one-by-one, I suspect it was VBox, as that's the commonality with the issue in the linked forum post.
Hey, same here, though a bit older MBP. And indeed running
kextunload -b org.virtualbox.kext.VBoxDrv -b org.virtualbox.kext.VBoxUSB -b org.virtualbox.kext.VBoxNetFlt -b org.virtualbox.kext.VBoxNetAdp
seems to help.
@teancom Are you still getting this? I'm getting the same pausing problem with the same console output on my Macbook. Wondering if you want to compare machines / driver versions ...