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+semantic: 0.973
+mistranslation: 0.962
+other: 0.960
+assembly: 0.958
+instruction: 0.955
+graphic: 0.954
+boot: 0.937
+device: 0.935
+vnc: 0.921
+network: 0.919
+socket: 0.918
+KVM: 0.789
+
+Failed to create HAX VM
+
+Hi,
+
+I'm running the latest (master) of QEMU, though the version doesn't seem to matter - I also checked back to v4.2.0, exactly the same issue. And this isn't about the VM (guest), if I even just try to run,
+
+> "c:\Program Files\qemu\qemu-system-x86_64.exe" -accel hax
+
+Basically, just get a window to open, with acceleration enabled ... I get,
+Open the vm device error:/dev/hax_vm/vm00, ec:3
+Failed to open vm 0
+Failed to create HAX VM
+No accelerator found.
+
+But I checked - I have installed Intel HAXM, and verified it's running,
+> sc query intelhaxm
+SERVICE_NAME: intelhaxm
+        TYPE               : 1  KERNEL_DRIVER
+        STATE              : 4  RUNNING
+                                (STOPPABLE, NOT_PAUSABLE, IGNORES_SHUTDOWN)
+        WIN32_EXIT_CODE    : 0  (0x0)
+        SERVICE_EXIT_CODE  : 0  (0x0)
+        CHECKPOINT         : 0x0
+        WAIT_HINT          : 0x0
+
+Just remove the accelerator (-accel hax), and I get a window - so this is related to QEMU being able to contact / use the accelerator.
+
+Help!?!?
+
+Thanks!
+
+I am also seeing this. It was working as of commit d649689a8ecb2e276cc20d3af6d416e3c299cb17 so something must have changed in the past month. I can't see anything HAX-related though.
+
+I've bisected this back to b319df553707a3d44c7d027a5d5562f672a768a9, which is odd because it's a merge commit about PowerPC. Perhaps I lost my way somewhere or perhaps there's something hiding in here that breaks it. I wasn't able to revert it in a hurry. I'll have a closer look later.
+
+Hi,
+
+I received an email yesterday (content below) - and it worked! Not sure why it's not here also (and why only via email), but let me share, hope this helps! And BTW, when I say worked ... I applied this to the latest master (locally), addreses the issue. So add this in to the master (formally)?
+
+Thanks!
+
+================================
+
+at the moment you need this patch at
+https://lists.nongnu.org/archive/html/qemu-devel/2020-03/msg06831.html
+
+But I can't see why v4.2.0 doesn't work on your system. The bug was introduced later.
+
+> Basically, just get a window to open, with acceleration enabled ... I 
+> get, Open the vm device error:/dev/hax_vm/vm00, ec:3 Failed to open vm
+> 0 Failed to create HAX VM No accelerator found.
+>
+
+ec:3 is ERROR_PATH_NOT_FOUND
+
+
+Thanks, that does indeed work for me too! Sorry for the confusion there, apparently merge commits play havoc with git bisect. I also thought it was strange that 4.2.0 didn't work for you as my last working commit came after that.
+
+No worries! And my apologies for some confusion too - I was trying v4.2.0 from the official (recent) downloads, and I think something wasn't quite right ... so I went back, manually built a clean v4.2.0. It worked, as you suspected.
+
+Good news is - seems we know the fix. Fast, and quite minor ... doesn't get better than that. LOL! How to get this in the formal / official code?
+
+Thanks!
+
+It looks like it's been queued for merging already.
+
+Awesome - thanks! I admit, not sure how you see the queue, but if you say it's there, I trust you :-).
+
+Any sort of LE?
+
+Thanks again.
+
+Just going by https://lists.nongnu.org/archive/html/qemu-devel/2020-03/msg06882.html.
+
+That makes sense, thanks!
+
+Do we leave this open until that "hits" (gets pulled in), or close it out? I'm fine with either, whatever you prefer.
+
+Appreciate all the help!
+
+Wait, just in case, I guess. I'm just a lowly user here.
+
+NP, will do. Thanks again for the help!
+
+https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9f5a0664187e9411c5c
+