What does BSOD 62464 (SAVER_AUDIODRIVERHANG) mean?

 
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SAVER_DEVICEUPDATEUNSPECIFIED SAVER_BATTERYPULLOUT

SAVER_AUDIODRIVERHANG

SAVER audio-driver hang bucket for SAVER_AUDIODRIVERHANG

SAVER_AUDIODRIVERHANG is bug check code 0x0000F400. This bucket points at an audio stack or audio driver hang in the diagnostic path. Endpoint, APO, miniport, service, and app audio-session state are more useful than the bucket name alone.

How to read it in a dump for SAVER_AUDIODRIVERHANG

  • Treat this value as an internal diagnostic bucket from the Windows SAVER family, not as a classic blue-screen stop code with public parameter semantics.
  • For SAVER_AUDIODRIVERHANG, the useful evidence is the dump type, WER bucket, triggering process, provider-specific data, and event-log context around the capture.
  • For SAVER_AUDIODRIVERHANG, the symbolic name narrows the subsystem that requested capture; it does not by itself identify a defective driver or application.

What to check for SAVER_AUDIODRIVERHANG

  • Check audio endpoint, miniport, APO, Bluetooth/USB audio, and Windows Audio service events.
  • Correlate with device changes, sleep/resume, calls, media playback, or exclusive-mode audio.
  • Update or roll back audio drivers only after collecting dump and event evidence.

References for SAVER_AUDIODRIVERHANG

Dump evidence for SAVER_AUDIODRIVERHANG

For SAVER_AUDIODRIVERHANG, preserve the complete dump, the four bug-check parameters, the exact Windows build, loaded-module list, and the event timeline immediately before the stop. AllStat summarizes the condition as “SAVER_AUDIODRIVERHANG”; that sentence identifies the failure class, while the parameters and stack determine which object, driver, processor, or subsystem instance was involved.

Analysis order for SAVER_AUDIODRIVERHANG

  • Run WinDbg !analyze -v, then inspect the documented meaning of each SAVER_AUDIODRIVERHANG parameter instead of relying only on the probably-caused-by line.
  • For SAVER_AUDIODRIVERHANG, find the earliest abnormal event: driver update, firmware change, device reset, storage error, verifier report, resource exhaustion, or application hang connected with saver / audiodriverhang.
  • For SAVER_AUDIODRIVERHANG, keep third-party filter, security, storage, graphics, and virtualization drivers in the module inventory; removing evidence before dump analysis can obscure the responsible path.

Do not repeatedly reboot a machine affected by SAVER_AUDIODRIVERHANG before collecting the dump and event logs. For SAVER_AUDIODRIVERHANG, recovery actions should follow the component identified by the stack and parameters, not merely the symbolic stop-code name.

Dump evidence for SAVER_AUDIODRIVERHANG

For SAVER_AUDIODRIVERHANG, preserve the complete dump, the four bug-check parameters, the exact Windows build, loaded-module list, and the event timeline immediately before the stop. AllStat summarizes the condition as “SAVER_AUDIODRIVERHANG”; that sentence identifies the failure class, while the parameters and stack determine which object, driver, processor, or subsystem instance was involved.

Analysis order for SAVER_AUDIODRIVERHANG

  • Run WinDbg !analyze -v, then inspect the documented meaning of each SAVER_AUDIODRIVERHANG parameter instead of relying only on the probably-caused-by line.
  • For SAVER_AUDIODRIVERHANG, find the earliest abnormal event: driver update, firmware change, device reset, storage error, verifier report, resource exhaustion, or application hang connected with saver / audiodriverhang.
  • For SAVER_AUDIODRIVERHANG, keep third-party filter, security, storage, graphics, and virtualization drivers in the module inventory; removing evidence before dump analysis can obscure the responsible path.

Do not repeatedly reboot a machine affected by SAVER_AUDIODRIVERHANG before collecting the dump and event logs. For SAVER_AUDIODRIVERHANG, recovery actions should follow the component identified by the stack and parameters, not merely the symbolic stop-code name.

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