Differential D58465

xhci: Fix multi links
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Authored by aokblast on Jul 26 2026, 7:24 AM.

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Reviewers: None
Commits: rGe3e56236bcae: xhci: Fix packet xfer larger than 64kb

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rG FreeBSD src repository

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aokblast created this revision.Jul 26 2026, 7:24 AM

Herald added a subscriber: imp. · View Herald TranscriptJul 26 2026, 7:24 AM

aokblast requested review of this revision.Jul 26 2026, 7:24 AM

Harbormaster completed remote builds in B75140: Diff 182719.Jul 26 2026, 7:24 AM

I have tested this patch, and it is clearly an improvement over snap 2026-07-20 which will insta-panic on umass/XHCI traffic.

I have tried very hard to plug/unplug a number of different umass devices.

I did mange to end up with a da0 which would not die, until I unplugged the USB-hub it had been connected to before it disappeared, but I think we had that issue also before.

As far as I'm concerned, this should be committed, preferably so it makes it into the next 16.0 snapshot.

This revision was not accepted when it landed; it landed in state Needs Review.Jul 27 2026, 5:31 AM

Closed by commit rGe3e56236bcae: xhci: Fix packet xfer larger than 64kb (authored by aokblast). · Explain Why

This revision was automatically updated to reflect the committed changes.

aokblast added a commit: rGe3e56236bcae: xhci: Fix packet xfer larger than 64kb.

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sys/

dev/

usb/

controller/

xhci.c

190 lines

Diff 182761

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sys/dev/usb/controller/xhci.c

xhci: Fix multi linksClosedPublicActions