Messages in this thread | | | Date | Fri, 4 Jun 2021 13:00:14 +0000 | From | Wei Liu <> | Subject | Re: [bug report] Commit ccf953d8f3d6 ("fb_defio: Remove custom address_space_operations") breaks Hyper-V FB driver |
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On Fri, Jun 04, 2021 at 02:25:01PM +0200, Vitaly Kuznetsov wrote: > Hi, > > Commit ccf953d8f3d6 ("fb_defio: Remove custom address_space_operations") > seems to be breaking Hyper-V framebuffer > (drivers/video/fbdev/hyperv_fb.c) driver for me: Hyper-V guest boots > well and plymouth even works but when I try starting Gnome, virtual > screen just goes black. Reverting the above mentioned commit on top of > 5.13-rc4 saves the day. The behavior is 100% reproducible. I'm using > Gen2 guest runing on Hyper-V 2019. It was also reported that Gen1 guests > are equally broken. > > Is this something known? >
I've heard a similar report from Vineeth but we didn't get to the bottom of this.
Wei.
> -- > Vitaly >
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