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93b8893599
On macOS arm64, a lock (lck_mtx_t) must be released (lck_mtx_unlock)
before it can be destroyed/freed (lck_mtx_free -> lck_mtx_destroy). If
this rules isn't respected, the operating system in question will panic
with the following message:
panic("lck_mtx_assert(): mutex (%p) not owned", lock);
Unfortunately, the current shutdown process of the osi_sleep module
doesn't respect this rule. As a result, macOS arm64 panics when the
OpenAFS client is shut down/restarted. To fix this problem, release
afs_event->lck (EVTLOCK_UNLOCK) before destroying it (EVTLOCK_DESTROY).
Change-Id: Ifd39fd99c237c783ed98079573fd4043ebab363b
Reviewed-on: https://gerrit.openafs.org/14933
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Mark Vitale <mvitale@sinenomine.net>
Tested-by: Mark Vitale <mvitale@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
AFS is a distributed file system that enables users to share and access all of the files stored in a network of computers as easily as they access the files stored on their local machines. The file system is called distributed for this exact reason: files can reside on many different machines, but are available to users on every machine. OpenAFS 1.0 was originally released by IBM under the terms of the IBM Public License 1.0 (IPL10). For details on IPL10 see the LICENSE file in this directory. The current OpenAFS distribution is licensed under a combination of the IPL10 and many other licenses as granted by the relevant copyright holders. The LICENSE file in this directory contains more details, thought it is not a comprehensive statement. See INSTALL for information about building and installing OpenAFS on various platforms. See CODING for developer information and guidelines. See NEWS for recent changes to OpenAFS.