Debian, SIGPIPE, "libnfsidmap", and init.d vs. umount
Subsystems (2)
Debian needs a bugfix release of nfs-utils, because of the SIGPIPE bug. This being my job, I figured I could grab the HEAD version of nfs-utils. And since the Debian sarge release is coming up soon (no, really), I hoped I'd find something unlikely to crash; instead I'm having difficulty with the build.
I gather that "libnfsidmap" is what I'll find in:
http://www.citi.umich.edu/projects/nfsv4/linux/libnfsidmap/
Is there some reason this hasn't been made part of Debian already, seeing as how it already contains Debian build infrastructure?
Also, is it a bug or a feature that the NFS startup scripts know how to mount special-purpose filesystems, but not unmount them?
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Chip Salzenberg - a.k.a. - <[email protected]> People are supposed to die for freedom. Not the other way around. ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ NFS maillist - [email protected] https://lists.sourceforge.net/lists/listinfo/nfs
Quoted 5 lines · On Saturday December 4, [email protected] wrote:
Debian needs a bugfix release of nfs-utils, because of the SIGPIPE bug. This being my job, I figured I could grab the HEAD version of nfs-utils. And since the Debian sarge release is coming up soon (no, really), I hoped I'd find something unlikely to crash; instead I'm having difficulty with the build.
I use "./configure --disable-nfsv4 --disable-gss" but you might not want to...
Quoted 7 lines
I gather that "libnfsidmap" is what I'll find in:
http://www.citi.umich.edu/projects/nfsv4/linux/libnfsidmap/
Is there some reason this hasn't been made part of Debian already, seeing as how it already contains Debian build infrastructure?
Probably just the lack of a certified debian developer to do it, but I'll let Bruce Fields answer further..
Quoted 3 lines
Also, is it a bug or a feature that the NFS startup scripts know how to mount special-purpose filesystems, but not unmount them?
A feature(?).
There is a need to mount, but no need to unmount.
It is a lot like there being a "modprobe" but no "rmmod".
NeilBrown
Quoted 13 lines
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Quoted 10 lines · Neil Brown
Quoted 6 lines · On Saturday December 4, [email protected] wrote:
I gather that "libnfsidmap" is what I'll find in:
http://www.citi.umich.edu/projects/nfsv4/linux/libnfsidmap/
Is there some reason this hasn't been made part of Debian already, seeing as how it already contains Debian build infrastructure?
Probably just the lack of a certified debian developer to do it, but I'll let Bruce Fields answer further..
Yes, I've thrown together .deb's, which you should be able to get via apt from http://www.citi.umich.edu/projects/nfsv4/debian. I'm happy to maintain them but need a debian developer to sponsor.
I sent Chip a number of messages about this, and he was cc:'d on some messages about this to debian-mentors, so I'm a little suprised that this is news. Chip, am I getting lost in some spam filter or something?
Quoted 8 lines
Quoted 2 lines
Also, is it a bug or a feature that the NFS startup scripts know how to mount special-purpose filesystems, but not unmount them?
A feature(?).
There is a need to mount, but no need to unmount.
It is a lot like there being a "modprobe" but no "rmmod".
Yes, I don't see any reason to unmount.--b.
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As it happens this is important but not urgent. Joey Schulze says that the right thing to do for the security hole is upload the minimally changed version. Then we can get around to the head version with its new features, dependencies, and packages.
According to J. Bruce Fields:
Quoted 2 lines
I'm happy to maintain [nfsidmap] but need a debian developer to sponsor.
Sounds good. I've never done a sponsorship but I suppose it can't be too hard.
Quoted 3 lines
I sent Chip a number of messages about this, and he was cc:'d on some messages about this to debian-mentors, so I'm a little suprised that this is news. Chip, am I getting lost in some spam filter or something?
I've been putting off nfs-utils maintenance for somewhat too long (and thus saving for later reading all messages on the subject); then this security thing reared its head, and I went for the shortest path to a new release. I see some messages from you still unread; once the minor release is out, I'll read them.
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Chip Salzenberg - a.k.a. - <[email protected]> People are supposed to die for freedom. Not the other way around. ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ NFS maillist - [email protected] https://lists.sourceforge.net/lists/listinfo/nfs
According to Neil Brown:
Quoted 9 lines · On Saturday December 4, [email protected] wrote:
Quoted 5 lines
Debian needs a bugfix release of nfs-utils, because of the SIGPIPE bug. This being my job, I figured I could grab the HEAD version of nfs-utils. And since the Debian sarge release is coming up soon (no, really), I hoped I'd find something unlikely to crash; instead I'm having difficulty with the build.
I use "./configure --disable-nfsv4 --disable-gss" but you might not want to...
Well, that could work, actually. Do you think that the changes since March 24 -- other than GSS and NFSv4 -- are valuable and safe?
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Chip Salzenberg - a.k.a. - <[email protected]> People are supposed to die for freedom. Not the other way around. ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ NFS maillist - [email protected] https://lists.sourceforge.net/lists/listinfo/nfs
Quoted 8 lines · On Sunday December 5, [email protected] wrote:
According to Neil Brown:
Quoted 7 lines · On Saturday December 4, [email protected] wrote:
Quoted 5 lines
Debian needs a bugfix release of nfs-utils, because of the SIGPIPE bug. This being my job, I figured I could grab the HEAD version of nfs-utils. And since the Debian sarge release is coming up soon (no, really), I hoped I'd find something unlikely to crash; instead I'm having difficulty with the build.
Quoted 5 lines
Quoted 2 lines
I use "./configure --disable-nfsv4 --disable-gss" but you might not want to...
Well, that could work, actually. Do you think that the changes since March 24 -- other than GSS and NFSv4 -- are valuable and safe?
Well... there is also the "high availability" (ha) statd/mountd stuff, but I think that becomes a no-op if you don't use the "-H" flag to the respective programs.
Apart from that there are a couple of bug fixes that could be significant in some circumstances.
I think "I think so" is about the best I can do, as I personally haven't done a lot of testing, and testing makes a big difference to confidence levels.
NeilBrown
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Quoted 13 lines · Chip Salzenberg
According to Neil Brown:
Quoted 10 lines · On Saturday December 4, [email protected] wrote:
Quoted 9 lines
Debian needs a bugfix release of nfs-utils, because of the SIGPIPE bug. This being my job, I figured I could grab the HEAD version of nfs-utils. And since the Debian sarge release is coming up soon (no, really), I hoped I'd find something unlikely to crash; instead I'm having difficulty with the build.
Quoted 9 lines
Quoted 4 lines
I use "./configure --disable-nfsv4 --disable-gss" but you might not want to...
Well, that could work, actually. Do you think that the changes since March 24 -- other than GSS and NFSv4 -- are valuable and safe?
Well I'm running the code with everything enabled and turned on, for a while now.... things seem to be stable... but only time will tell... ;-)
steved.
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