fix(laptop): increase net-vm memory for darp11 storeDisk configs#1769
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brianmcgillion merged 1 commit intotiiuae:mainfrom Feb 19, 2026
Merged
fix(laptop): increase net-vm memory for darp11 storeDisk configs#1769brianmcgillion merged 1 commit intotiiuae:mainfrom
brianmcgillion merged 1 commit intotiiuae:mainfrom
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The `system76-darp11-b-storeDisk` targets were using the default net-vm memory (512 MiB). With `virtualization.microvm.storeOnDisk = true`, sysvms boot from EROFS-backed store disks, which increases page-cache/readahead pressure during early boot. On darp11 this can starve net-vm memory enough to cause Wi-Fi bring-up instability (`iwlwifi ... Unable to init nic`) while the system is under heavy EROFS read activity. Set a target-specific override: - `vmConfig.sysvms.netvm.mem = 1024` for both: - `system76-darp11-b-storeDisk-debug` - `system76-darp11-b-storeDisk-release` This keeps the change scoped to storeDisk variants of this hardware and avoids altering global installer or base VM defaults. Signed-off-by: Vunny Sodhi <vunny.sodhi@unikie.com>
kajusnau
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Feb 19, 2026
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kajusnau
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LGTM 👍
We should keep this in mind for audio-vm as well, in case similar issues pop up there.
brianmcgillion
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Feb 19, 2026
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I will merge this now. but we have see these presures on resume from sleep also. So I am thinking that the vms should maybe have swap space assigned to them, to allow this tmp failover. also it would probably make the system more efficient as pages that are really not inuse can be swapped out. |
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Description of Changes
The
system76-darp11-b-storeDisktargets were using the default net-vm memory (512 MiB). Withvirtualization.microvm.storeOnDisk = true, sysvms boot from EROFS-backed store disks, which increases page-cache/readahead pressure during early boot.On darp11 this can starve net-vm memory enough to cause Wi-Fi bring-up instability (
iwlwifi ... Unable to init nic) while the system is under heavy EROFS read activity.Set a target-specific override:
vmConfig.sysvms.netvm.mem = 1024for both:
system76-darp11-b-storeDisk-debugsystem76-darp11-b-storeDisk-releaseThis keeps the change scoped to storeDisk variants of this hardware and avoids altering global installer or base VM defaults.
Fixes:: https://jira.tii.ae/browse/SSRCSP-8042
Type of Change
Related Issues / Tickets
Checklist
make-checksand it passesTesting Instructions
Applicable Targets
aarch64aarch64x86_64x86_64x86_64Installation Method
nixos-rebuild ... switchTest Steps To Verify: