iptsd crash (dumped core) #57
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Have you tried turning off iommu? Add |
What is "iommu"? And, what does it do? Thank you for answering. I'll give it a try later, and see what happens. Edit: I should change in
Edit2: I added it to grub command. Didn't use it too much to feel any difference on stylus/touch. What I notice is that It lose Bluetooth and Wi-Fi. Another thing, when surface is charging, stylus and touch input starts getting erratic until it fails (iptsd) |
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apologies, its supposed to be
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IOMMU stands for Input--output memory management unit. It translates memory access for devices so that they get their own coherent simplified "view" of physical memory. In this context we're talking about intel's implementation, which as far as I'm aware, is entirely focused on use for virtualisation, though IOMMUs can have other roles. So it is part of how physical host devices can be assigned to virtual machines. |
Thank you for the explanation. Unfortunately, this didn't solve the problem. I have discovered that this error happens when my surface is charging. Any idea how can I trace why this is happening? It may be related to power management. |
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I have to add that this problem is related to charger (as far as tested). The issue doesn't happen very often with first charger (44 [W] output, original that came with surface). But, with the second charger, it happens all the time (65 [W] output, original but bought apart) Chargers: https://imgur.com/a/5YHCLqL I'm frying my CPU? |
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Both chargers are officially supported so there really should not be any difference in behavior between the chargers (other than charging times). Power management is not something I know enough about, but it sounds to me like you have a hardware fault (or maybe a firmware issue?). Do you get any odd behaviour on windows? |
I haven't used windows for more than two years, so I couldn't really tell. edit: I thought that the issue may be related to my knowing not too much about my OS (probably I broke a lot of things [first arch install]), so I changed to Manjaro KDE Plasma, but error persist. |
I have been using Surface Pro 6 with Arch Linux for almost 1.5 year and since few months iptsd started working erratically: Disconnected lines and pen dot moves to the right where my pen is. Then it suddenly stops working and shows dumped core error on log (sometimes). When trying to start iptsd again it doesn't work, only restart fix it.
I did a basic build yesterday (with gnome, and other apps I use daily), because i though that my system was faulty.
The error happened while using Write from Stylus Lab, Gnome on Wayland.
I don't use Xournal++ allot, so I don't know if error occurs while using that app.
System info:
Here is the log just in case.
iptsd_log.txt
Update 1: It failed again, tried restarting but nothing happened. When I tried to run it through terminal, this was the result:
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