Linux 6.10-rc1

[Pavel Machek]

Hi!

> > > Let's bring in the actual gpu people.. Dave/Jani/others - does any of
> > > this sound familiar? Pavel says things have gotten much slower in
> > > 6.10: "something was very wrong with the performance, likely to do
> > > with graphics"
> > 
> > Actually, maybe it's not graphics at all. Rafael just sent me a pull
> > request that fixes a "turbo is disabled at boot, but magically enabled
> > at runtime by firmware" issue.
> > 
> > The 6.10-rc1 kernel would notice that turbo was disabled, and stopped
> > noticing that it magically got re-enabled.
> > 
> > Pavel, that was with a very different laptop, but who knows... That
> > would match the "laptop is much slower" thing.
> > 
> > So current -git might be worth checking.
> 
> So... I went to (then) current -git and I don't want to replace my
> machine any more. So the problem should not exist in current mainline.
> 
> (I did not have good objective data, so I'm not 100% sure problem was
> real in the first place. More like 90% sure.)

Ok, so machine is ready to be thrown out of window, again. Trying to
play 29C3 video should not make machine completely unusable ... as in
keyboard looses keystrokes in terminal.

https://media.ccc.de/v/29c3-5333-en-gsm_cell_phone_network_review_h264#t=340

dmesg is kind-of unhappy:

[130729.891961] usb 2-1.2.3: reset low-speed USB device number 13 using ehci-pci
[130733.311644] usb 2-1.2.3: reset low-speed USB device number 13 using ehci-pci
[130736.534601] i915 0000:00:02.0: [drm] *ERROR* Atomic update failure on pipe A (start=617818 end=617819) time 159 us, min 1017, max 1023, scanline start 1012, end 1024
[130738.625131] usb 2-1.2.3: reset low-speed USB device number 13 using ehci-pci
[130745.451785] usb 2-1.2.3: reset low-speed USB device number 13 using ehci-pci
...
[131631.941091] usb 2-1.2.3: reset low-speed USB device number 13 using ehci-pci
[131634.817628] usb 2-1.2.3: reset low-speed USB device number 13 using ehci-pci
[131639.536918] usb 2-1.2.3: reset low-speed USB device number 13 using ehci-pci
[131790.153952] i915 0000:00:02.0: [drm] GPU HANG: ecode 6:1:95ffffbc, in Xorg [3043]
[131790.154245] i915 0000:00:02.0: [drm] GT0: Resetting chip for stopped heartbeat on rcs0
[131790.255994] i915 0000:00:02.0: [drm] Xorg[3043] context reset due to GPU hang

Wifi is a bit too active, even on fairly idle system:

    430 root     -51   0       0      0      0 S   0.3   0.0   8:48.74 irq/17-iwlwifi                                  
Ideas welcome, especially some way to see what graphics is doing.

Best regards,
								Pavel

-- 
People of Russia, stop Putin before his war on Ukraine escalates.
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