[ISSUE] Linux IOMMU Support cuase system freeze on boot

[ISSUE] Linux IOMMU Support cuase system freeze on boot

[martindamianfernandez]

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New issue by martindamianfernandez on void-packages repository

https://github.com/void-linux/void-packages/issues/21767

Description:
<!-- Don't request update of package. We have a script for that. https://alpha.de.repo.voidlinux.org/void-updates/void-updates.txt . However, a quality pull request may help. -->
### System

* xuname: Void 4.19.121_1 x86_64-musl GenuineIntel uptodate FF4
  xuname: Void 4.19.121_1 x86_64 GenuineIntel uptodate FF
  *output of ``xuname`` (part of xtools)*
* package: linux4.19, linux5.4.39 
*affected package(s) including the version*

### Expected behavior
hangs igp on boot 
### Actual behavior
when use kernel parameter intel_iommu=off system boots and work fine so far.
many laptops happen, and some desktops

### Steps to reproduce the behavior
just basic installation tide to hardware specs. 

Re: Linux IOMMU Support cuase system freeze on boot

[travankor]

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New comment by travankor on void-packages repository

https://github.com/void-linux/void-packages/issues/21767#issuecomment-626124982

Comment:
What hardware are you using?

Re: Linux IOMMU Support cuase system freeze on boot

[martindamianfernandez]

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New comment by martindamianfernandez on void-packages repository

https://github.com/void-linux/void-packages/issues/21767#issuecomment-626240420

Comment:
very large list to desribe working a technical support. 
this happen on laptops mostly skylake's, xeons v5.

Re: Linux IOMMU Support cuase system freeze on boot

[martindamianfernandez]

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New comment by martindamianfernandez on void-packages repository

https://github.com/void-linux/void-packages/issues/21767#issuecomment-626240420

Comment:
very large list to desribe working a technical support. 
this happen on laptops mostly skylake's, xeons v5.
got to two options, from easy to complex.
first use kernel flags. easy.
using xbps-src, compiling kernel with "configure flags, make menuconfig and so on." 
of course disable it for config template.

Re: Linux IOMMU Support cuase system freeze on boot

[ericonr]

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New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/issues/21767#issuecomment-626864909

Comment:
@martindamianfernandez I made a PR documenting it here https://github.com/void-linux/void-docs/pull/265, what do you think?

Re: Linux IOMMU Support cuase system freeze on boot

[ericonr]

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New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/issues/21767#issuecomment-764806474

Comment:
Documented, changing is WONTFIX afaik.

Re: [ISSUE] [CLOSED] Linux IOMMU Support cuase system freeze on boot

[ericonr]

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Closed issue by martindamianfernandez on void-packages repository

https://github.com/void-linux/void-packages/issues/21767

Description:
<!-- Don't request update of package. We have a script for that. https://alpha.de.repo.voidlinux.org/void-updates/void-updates.txt . However, a quality pull request may help. -->
### System

* xuname: Void 4.19.121_1 x86_64-musl GenuineIntel uptodate FF4
  xuname: Void 4.19.121_1 x86_64 GenuineIntel uptodate FF
  *output of ``xuname`` (part of xtools)*
* package: linux4.19, linux5.4.39 and may be many more kernels.
*affected package(s) including the version*

### Expected behavior
hangs igp on boot 
### Actual behavior
when use kernel parameter intel_iommu=off system boots and work fine so far.
many laptops happen, and some desktops

### Steps to reproduce the behavior
just basic installation tide to hardware specs.