Enable CONFIG_VGA_SWITCHEROO cause lspci on MSI GS60-070XCN stuck

2016-02-29 Thread Daniel Vetter
On Thu, Feb 25, 2016 at 12:18:25PM +0100, Lukas Wunner wrote: > Hi, > > On Wed, Feb 24, 2016 at 11:32:15PM +0800, Drunkard Zhang wrote: > > I may hit a bug, when enabled CONFIG_VGA_SWITCHEROO, run lspci command > > on MSI GS60-070XCN will stuck, it eats 100% CPU of one core, and > > CPU/memory all

Enable CONFIG_VGA_SWITCHEROO cause lspci on MSI GS60-070XCN stuck

2016-02-25 Thread Lukas Wunner
Hi, On Wed, Feb 24, 2016 at 11:32:15PM +0800, Drunkard Zhang wrote: > I may hit a bug, when enabled CONFIG_VGA_SWITCHEROO, run lspci command > on MSI GS60-070XCN will stuck, it eats 100% CPU of one core, and > CPU/memory allocation on this system fails sometimes. Sounds like a deadlock. Does reve

Enable CONFIG_VGA_SWITCHEROO cause lspci on MSI GS60-070XCN stuck

2016-02-24 Thread Drunkard Zhang
Hi, I may hit a bug, when enabled CONFIG_VGA_SWITCHEROO, run lspci command on MSI GS60-070XCN will stuck, it eats 100% CPU of one core, and CPU/memory allocation on this system fails sometimes. I'll bisect later, put my enviroment here, hope you guys give me some hint :) Tested kernel versions a