https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262263
--- Comment #10 from Alexander Motin <m...@freebsd.org> ---
@Lamia, there seem to be two independent issues here: one for USB, one for
AHCI. Please do not mix them. I have doubts that panic you see on 14 should
be reproducible on 13.1, but please correct me if I read your wrong.
@trasz I think I see the problem, and it may indeed be related to your change.
In ahci_issue_recovery() I see such a line:
ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
, which should also copy alloc_flags from read periph CCB to the locally
allocated one. When it comes time to free the CCB, it is probably getting
freed to the wrong zone.
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