Re: newnfs pkgng database corruption?
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On Wed, Apr 10, 2013 at 07:42:30AM +0000, Eggert, Lars wrote:
> Hi,
>=20
> on a diskless server, I keep the ports tree and pkgng databases on a newn=
fs NFSv4 mount. After a bunch of "portmaster -a" runs, the pkgng sqlite dat=
abase appears to get corrupted. For example, when I try to update an existi=
ng port, this happens:
>=20
> root@five:~ # portmaster ports-mgmt/pkg
> ...
> =3D=3D=3D> Registering installation for pkg-1.0.11
> Installing pkg-1.0.11...pkg: sqlite: database disk image is malformed (pk=
gdb.c:925)
> pkg: sqlite: database disk image is malformed (pkgdb.c:1914)
> *** [fake-pkg] Error code 70
>=20
> I have removed all ports and the pkgng databases and reinstalled, but the=
corruption seems to return after a few days or weeks of installing and dei=
nstalling ports.
>=20
> On another system that has a disk, that corruption of the pkgng database =
has not happened over six months or so. I therefore wonder if storing the s=
qlite database on an NFS-mount is triggering some sort of bug, either in pk=
gng or in newnfs. AFAIK, pkgng is using locks on the database quite liberal=
ly, could that be where a bug is lurking?
>=20
> I'm happy to help debug this, but someone would need to let me know what =
to try.
>=20
This can usually happen when a user do not have the nfs lock system started.
Are you sure that nfs lock is correctly started?
If that is the case, there is anyway a bug in pkgng that should catch the
problem and refuse to operate in such situation, I know sqlite to provide a
mechanism that allow us to be able to catch this, I'm not sure yet to use i=
t.
regards,
Bapt
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