[OpenAFS-devel] appears that cvs trunk has a deadlock problem of some sort for linux24

[Neulinger, Nathan]

Initial glance, it looks like the TryFlush... routine is called inside a
DLOCK(), and itself does a DLOCK(). Not sure if that is kosher or not.=20

-- Nathan

------------------------------------------------------------
Nathan Neulinger                       EMail:  nneul@umr.edu
University of Missouri - Rolla         Phone: (573) 341-4841
Computing Services                       Fax: (573) 341-4216


> -----Original Message-----
> From: Neulinger, Nathan=20
> Sent: Thursday, April 04, 2002 10:15 AM
> To: openafs-devel@openafs.org
> Subject: [OpenAFS-devel] appears that cvs trunk has a=20
> deadlock problem of some sort for linux24
>=20
>=20
> It's been introduced since 2002/03/26. Only changes I see in the trunk
> since then are the fake stat code, and the flush-dcache stuff.=20
>=20
> Basically, running my "crash afsd" script (yes, it's useful=20
> enough that
> I keep a script around for some testing), runs through for a=20
> while, and
> then machine completely locks up. No panic msg, nothing. Only=20
> thing that
> responds is A-SysRQ-SUB.=20
>=20
> The script that I test with just does:
>=20
> find /umr/s/openafs/ -follow -type f -print | xargs -P 8 -n 30 wc
>=20
> Have not tried pulling out any of the dcache or fakestat=20
> changes to see
> if reverting them helps. Will try and get more info soon=20
> unless someone
> else spots problem first. (I assumed it was something with the
> prototypes branch, but verified against build from the trunk.)
>=20
> -- Nathan
>=20
> ------------------------------------------------------------
> Nathan Neulinger                       EMail:  nneul@umr.edu
> University of Missouri - Rolla         Phone: (573) 341-4841
> Computing Services                       Fax: (573) 341-4216
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>=20