[Bug 254373] T440p fails to boot while docked with 13.0-RC2
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Date: Thu, 22 Jul 2021 17:52:14 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254373
--- Comment #13 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=d5341d72a11be200e536ac7d8967449a3f521792
commit d5341d72a11be200e536ac7d8967449a3f521792
Author: Yang Zhong <yzhong@freebsdfoundation.org>
AuthorDate: 2021-07-22 17:16:01 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2021-07-22 17:50:10 +0000
mmc: Drain the intrhook in mmc_detach()
Buggy SD card drivers may attach and detach a mmc(4) driver instance in
quick succession. In this case mmc(4) must disestablish its intrhook
callback during detach. Thus, this change adds a call to
config_intrhook_drain(), which blocks or does nothing if the intrhook is
running or has already ran (the SD card was plugged in), and
disestablishes the hook if it hasn't ran yet (the SD card was not
plugged in).
PR: 254373
Reviewed by: imp, manu, markj
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D31262
sys/dev/mmc/mmc.c | 1 +
1 file changed, 1 insertion(+)
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