lsof 4.81 issue

[Court Campbell]

I have lsof installed on an 11.23 PA machine. When I run the command it just sits there and never returns.In glance it says the process id waiting on PIPE. Anyone else seen this issue?

[Avinash20]

Are you using any specific flags with lsof
I have faces a issue with lsof hang, when I used -O flag

[Court Campbell]

I am running lsof +aL1 /var. Sometimes we have oracle processes that use up all the inodes making the filesystem seem full. But when I run the command it just sits. I have been waiting close to 45 minutes for something to return. For grins I even compiled from source to no avail.

[Avinash20]

Check if lsof works fine with other filesystem

[Patrick Wallek]

I just installed lsof 4.81 on an 11.23 PA server (an old A500) and it seems to work fine.

I tried running 'lsof +aL1 /var' and it returned almost instantly.

The lsof that I installed was downloaded from the Internet Express bundle for 11iv2 here:

http://h20392.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=HPUXIEXP1123

[Court Campbell]

I have three 11.23 PA systems. Two of them have this issue. And one is working fine. I know that it should not be taking this long, hence my query.

[Court Campbell]

Running tusc shows it going to sleep when it gets to pstat(PSTAT_SOCKET).

[Armin Kunaschik]

Maybe you have some name resolution issue (DNS/NIS)?

In additon if you have lots of memory and lots of processes and open connections this might delay the output substantialy. On a busy 24CPU/256GB SAP system I have to wait severy minutes for lsof to complete (I'm using 4.78 from HP-UX internet express).

To be curious: Did it work with an earlier lsof version? Do you really need the brand new 4.81?

My 2 cents,
Armin

[Court Campbell]

All right. I have reopened this thread. HP support has been useless. The problem lies with PSTAT and/or libc.2. When I run lsof with gdb and do a backtrace, I get this:

(gdb) where
#0 0x7b00ab68 in pstat+0x10 () from /usr/lib/libc.2
#1 0x7afe0174 in __pstat_getsocket64+0x34 () from /usr/lib/libc.2
#2 0x6180 in read_sock+0x30 ()
#3 0x5fe0 in gather_proc_info+0x1098 ()
#4 0xe3f4 in main+0x2014 ()

I have installed every known pstat patch out there. I have installed quite a few networking related patches also. Any ideas? Dennis Handley, are you out there?

P.S. Please do not post any lame answers aksing about DNS, etc. I am looking for real answers.

[Steven E. Protter]

Shalom,

That is a pretty typical issue. I've seen it on several OS releases.

My way around it was to compile the code myself.

That didn't always work, but sometimes it did.

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