Date: Wed, 12 Feb 2020 19:21:29 +0100 From: Andrea Venturoli <ml@netfence.it> To: freebsd-questions@freebsd.org Subject: UFS filesystem hanged due to extattr Message-ID: <45b8ee58-b625-b3c8-8b53-07e4008c9db0@netfence.it>
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Hello.
On a box of mine I tried tweaking Samba to use extended attributes (I
think the details here are irrelevant and possible source of another
discussion on the Samba lists).
Everything worked fine until an user tried to access a particular
directory: at that point his (Mac) client would crash and I ended up
with a smbd process taking 100% of CPU time.
Such process was unkillable by any mean and even a system reboot would
not succeed (only the reset button did its job).
After reboot I unmounted that filesystem, disabled soft update
journaling and issued an "fsck -y" just to be sure: the file system
showed no sign of troubles.
Yet, accessing the extended attributes of a file inside that specific
directory ends up in the same way.
I.e.:
Something like:
find {dir} -exec lsextattr user "{}" ";"
will end up with a process:
lsextattr user {file}
taking 100% cpu and not willing to die in any way.
Any suggestion?
bye & Thanks
av.
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