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binro l33t
Joined: 06 May 2005 Posts: 742 Location: Bangkok
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Posted: Tue Nov 19, 2024 1:50 pm Post subject: KDE6.2 + Nouveau + Wayland = hard loop |
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I had been using KDE 6 with some success until KDE 6.2 (and later) releases arrived. Now, I can logon and everything seems to start OK until after about 5 minutes when the log message tailer dies and Nagios sends me an email saying the desktop is down. Looking at the system messages I see:
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Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
Nov 18 00:09:29 localhost kernel[] nouveau 0000:01:00.0: fifo: fault 01 [WRITE] at 0000000000068000
engine 03 [IFB] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel 2 [017fb9a000 X[4882]]
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etc...
I searched on Wayland, Nouveau and loops and discovered a mountain of grief. So is there any solution to this? (My current one, using XFCE + Kvantum is working worryingly well!) I saw some posts about people blocking the load of Nvidia and Nouveau drivers and using the Intel ones, but when I tried it nothing loaded but maybe I should have specified an Intel module somewhere? KDE 6.2 with the Xserver does start, but Plasma refuses to stay up; it works with a fresh user but it is too much work to reconfigure everything.
Any advice would be welcome. In November 1997 two things happened (amongst others): KDE Beta 2 was released, and I badly sprained my ankle and couldn't go to work for a week. The rest is history!
Robin _________________ "Ship me somewheres east of Suez, where the best is like the worst,
Where there ain't no Ten Commandments an' a man can raise a thirst"
from "Mandalay" by Rudyard Kipling |
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binro l33t
Joined: 06 May 2005 Posts: 742 Location: Bangkok
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Posted: Fri Nov 22, 2024 9:51 pm Post subject: |
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Well, thanks for all the helpful suggestions, the community has surpassed itself! Next project: working out how to make XFCE work with kdeconnect. _________________ "Ship me somewheres east of Suez, where the best is like the worst,
Where there ain't no Ten Commandments an' a man can raise a thirst"
from "Mandalay" by Rudyard Kipling |
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Spanik Veteran
Joined: 12 Dec 2003 Posts: 1008 Location: Belgium
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Posted: Sat Nov 23, 2024 9:51 am Post subject: |
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Can't help you sadly but I'm very interested in your quest for XFCE. I'm at KDE 6.15 + nouveau and after reading your post above I don't risk to update this pc anymore. _________________ Expert in non-working solutions |
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binro l33t
Joined: 06 May 2005 Posts: 742 Location: Bangkok
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Posted: Tue Nov 26, 2024 1:58 pm Post subject: |
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I have been experimenting. I restored the entire Gentoo system onto a different machine (which also has an Nvidia card) except for the /home directory. I then started a KDE 6.2 + Wayland session and everything ran OK. So, on my normal machine I created a new user and then tried KDE 6.2 + Wayland, and that also ran OK. So it seems it's old config values that are causing the problem, though to cause a hard loop in a device driver seems a bit unlikely, but there you go! The good news is the latest KDE upgrade, or using XFCE for a couple of weeks , seems to fix the problem with Plasma not starting under the X server. So I am content for the time being, until the next big upgrade!
So, go ahead with the upgrade to 6.2, but take a good backup first!
Robin _________________ "Ship me somewheres east of Suez, where the best is like the worst,
Where there ain't no Ten Commandments an' a man can raise a thirst"
from "Mandalay" by Rudyard Kipling |
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