apple_bce: fix cold boot panic in mailbox send
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Authored by seuros on Aug 16 2026, 6:41 PM.

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adrian

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rGba28690cc6e0: apple_bce: fix cold boot panic in mailbox send

Summary

Poll mailbox reply registers with DELAY() when the system is still
cold, falling back to the interrupt-driven
sema_timedwait path once timers are available.

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rG FreeBSD src repository

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Event Timeline

seuros created this revision.Aug 16 2026, 6:41 PM

Herald added a subscriber: imp. · View Herald TranscriptAug 16 2026, 6:41 PM

seuros requested review of this revision.Aug 16 2026, 6:41 PM

Harbormaster completed remote builds in B75626: Diff 184137.Aug 16 2026, 6:41 PM

seuros added a child revision: D58872: apple_bce: initiate IN data phase for control transfers.Aug 16 2026, 7:55 PM

seuros added a parent revision: D58870: apple_bce: kick USB explore thread after VHCI attach.

adrian accepted this revision.Sun, Sep 6, 5:18 PM

This revision is now accepted and ready to land.Sun, Sep 6, 5:18 PM

Closed by commit rGba28690cc6e0: apple_bce: fix cold boot panic in mailbox send (authored by seuros). · Explain WhySun, Sep 6, 7:48 PM

This revision was automatically updated to reflect the committed changes.

seuros added a commit: rGba28690cc6e0: apple_bce: fix cold boot panic in mailbox send.

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Path

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sys/

dev/

apple_bce/

apple_bce_mailbox.c

50 lines

Diff 186026

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sys/dev/apple_bce/apple_bce_mailbox.c

apple_bce: fix cold boot panic in mailbox sendClosedPublicActions