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--- dell_xps_15_9530 [2020/07/18 10:00]
ben [Failure to boot]
+++ dell_xps_15_9530 [2021/08/27 07:40] (current)
ben
@@ Line 22: / Line 22: @@
 KDE defaults to letting the multimedia volume keys (Fn+F1/F2/F3) control the HDMI card by default. Switch this to the analog card by opening KMix and setting ''Settings->Select Master Channel...->Built-in Audio Analog Stereo''.
+If there's no sound when logging into plasma (the volume icon has a red cross through it, and the kde settings shows no devices), make sure pulseaudio user daemon is running, and if not start it one-time with ''pulseaudio -D'',
 ==== Graphics ====
@@ Line 139: / Line 140: @@
   * Reboot and pray
-==== Failure to boot ====
+Kernel package installations run ''sabayon-dract --rebuild x.y'', which invokes dracut with a bunch of module omissions including all the systemd ones needed for ZFS to work. Therefore whenever upgrading the kernel, be sure to run ''dracut -f /boot/initramfs-genkernel-x86_64-$(uname -r) $(uname -r)''.
+Grub 2.02-r3 ships a version of ''grub2-probe'' which can't handle ZFS properly. This means the generated grub config file will contain ''root=ZFS=/root'' instead of ''root=ZFS=rpool/root'' which breaks root filesystem mounting. After installing grub or any kernel package, fix grub,cfg before rebooting.
+====== Troubleshooting ======
+===== Failure to boot from ZFS root =====
 Errors on startup about system not having been booted with systemd. This is a problem with the dracut initrd.
@@ Line 173: / Line 181: @@
                                         --cmd "zfs load-key ${ENCRYPTIONROOT}"
 </code>
+===== NetworkManager not authorized to control networking =====
+  * Ensure interactive user is a member of the ''network'' group (logout and in again)
+  * Ensure polkit permits netdev group to control networkmanager (changes take immediate effect): <code javascript /etc/polkit-1/rules.d/90-network.rules>
+polkit.addRule(function(action, subject) {
+    if (action.id.indexOf("org.freedesktop.NetworkManager.") == 0 && subject.isInGroup("network")) {
+        return polkit.Result.YES;
+    }
+});
+</code>

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