[CORE-9986] [PNP/Audio] ros takes eternity to boot after first successful boot, no sound then - ReactOS JIRA

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bootup gives

(../../base/services/umpnpmgr/umpnpmgr.c:3559) Surprise removal: SW\{cd171de3-69e5-11d2-b56d-0000f8754380}\{9b365890-165f-11d0-a195-0020afd156e4}

bootup stuck while already seeing blue desktop background
happens sporadically

After about 20seconds stuck, it finally shows desktop - sound does not work then until next reboot

This happens only after installing AC97 sound drivers.

Definition of done for this ticket is: the mixer has to always open up after just a single reboot.

is duplicated by

CORE-10942 In Virtualbox sound doesn't works

relates to

CORE-8726 regression: no sound is played (problem with the mixer)

CORE-9475 After multiple boots audio (AC97) stops working, complains about \Driver\SYSAUDIO AddDevice method

CORE-10283 Audio doesnt work - System audio device does not start

CORE-16564 alcxwdm.sys requires at least one reboot for the driver to be installed

CORE-8104 Regression: R61307 Audio driver appears in device manager, but no sound.

CORE-8294 Kernel still doesn't fully support driver unloading

(2 relates to)