[Bug 297155] LinuxKPI: swapped busdma sync operations in the DMA_TO_DEVICE / DMA_FROM_DEVICE PRE-sync path break streaming DMA when a mapping bounces (breaks ath10k QCA6174 on >4GB machines)
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Date: Fri, 04 Sep 2026 22:59:54 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297155
Bjoern A. Zeeb <bz@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|In Progress |Closed
--- Comment #3 from Bjoern A. Zeeb <bz@FreeBSD.org> ---
I'll close this one as a duplicate of the older one and track MFCing there.
Avoids duplicate housekeeping.
Thanks for the descriptions for what's happening on ath10k.
*** This bug has been marked as a duplicate of bug 293381 ***
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