free RAM before reloading wireless driver after suspend

QubesOS · Feb 11, 2025 · 1f09402 · 1f09402
1 parent 3f276af
commit 1f09402
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diff --git a/qubes-rpc/prepare-suspend b/qubes-rpc/prepare-suspend
@@ -81,6 +81,12 @@ if [ "$action" = "suspend" ]; then
     done
     echo "$LOADED_MODULES" > /var/run/qubes-suspend-modules-loaded
 else
+    # Free some RAM for minimal netvm to prevent memory issues when loading
+    # drivers
+    if [ -f /var/run/qubes/this-is-netvm ] && [ -f /var/run/qubes-service/minimal-netvm ]; then
+      sync
+      echo 3 > /proc/sys/vm/drop_caches
+    fi
     # shellcheck disable=SC2013
     for mod in $(cat /var/run/qubes-suspend-modules-loaded); do
         modprobe "$mod"

diff --git a/qubes-rpc/qubes-suspend-module-blacklist b/qubes-rpc/qubes-suspend-module-blacklist
@@ -6,3 +6,4 @@ ehci_pci
 xhci_pci
 iwldvm
 iwlmvm
+iwlwifi
-Original file line number
+Diff line change
@@ Expand Up / @@ -6,3 +6,4 @@ ehci_pci @@
     xhci_pci
     iwldvm
     iwlmvm
+    iwlwifi