950947 – app-emulation/xen-tools-4.19.1 can not boot kernel 6.12 as LZMA_BLOCK_SIZE is too small

Bug 950947 - app-emulation/xen-tools-4.19.1 can not boot kernel 6.12 as LZMA_BLOCK_SIZE is too small

Summary: app-emulation/xen-tools-4.19.1 can not boot kernel 6.12 as LZMA_BLOCK_SIZE is...

Status:	CONFIRMED

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Current packages (show other bugs)
Hardware:	AMD64 Linux

Importance:	Normal normal
Assignee:	Tomáš Mózes

URL:	https://github.com/QubesOS/qubes-vmm-...
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2025-03-08 15:10 UTC by Krzysztof
Modified:	2025-03-10 16:18 UTC (History)
CC List:	3 users (show)

See Also:
Package list:
Runtime testing required:	---

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Description Krzysztof 2025-03-08 15:10:58 UTC

Using patch from QubeOS allows for booting VMs with recent kernel 6.12

https://github.com/QubesOS/qubes-vmm-xen/blob/main/0630-tools-xg-increase-LZMA_BLOCK_SIZE-for-uncompressing-.patch

Reproducible: Always

Steps to Reproduce:
Booting kernel 6.12
Actual Results:  
domainbuilder: detail: _xc_try_lzma_decode: XZ decompression error: Memory usage limit reached

Expected Results:  
Booting the VM

Comment 1 Tomáš Mózes 2025-03-10 16:18:20 UTC

Thanks for the report Krzysztof.

It's already upstreamed https://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=0a14438052e65507041cf205c517ab0b4c786813 so the next bump will cover this.