Randomly on my laptop screen this appears and debian just freezes. Sometimes these vertical lines don’t appear and system freezes anyway. Its just random. How do i identify if this is hardware or software issue? and then how to identify exact piece of hardware or software causing this problem.

  • awesome_guyOP
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    5 months ago

    | What GPU and driver are you using? Looks gpu driver related to me.

    	Subsystem: Apple Inc. 3rd Gen Core processor Graphics Controller [106b:00fa]
    	Flags: bus master, fast devsel, latency 0, IRQ 46
    	Memory at a0000000 (64-bit, non-prefetchable) [size=4M]
    	Memory at 90000000 (64-bit, prefetchable) [size=256M]
    	I/O ports at 2000 [size=64]
    	Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
    	Capabilities: <access denied>
    	Kernel driver in use: i915
    	Kernel modules: i915
    
    00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04) (prog-if 30 [XHCI])
    	Subsystem: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:7270]```