I've seen the same thing. After patching the machines with the latest
recommended patch set, it seems to have cleared up. It is definitely an
OS bug. I tried to determine if there was a specific bug ID or patch #
that specifically affected this issue, but I was not successful.
-Eric
On Wed, 2 Feb 2000, Anand Buddhdev wrote:
> I'm running qmail under Solaris 7 (aka solaris 2.7). I have a problem: I
> have many qmail-smtpd processes on the system which appear to have hung.
> Some of them are many days old, as old as Jan 17, 2000. I noticed them
> today when I saw that tcpserver's concurrency was quite high, yet there
> wasn't that much mail coming in. If I attach a truss to those processes,
> I see them "sleeping" on a read call:
>
> # truss -p 12270
> read(0, 0x0002A420, 1024) (sleeping...)
> ^C
> #
>
> I would have thought that they would timeout after 1200 seconds. I
> searched the archives and Mark Delany mentioned in
>
> http://www.ornl.gov/its/archives/mailing-lists/qmail/1999/02/msg00752.html
>
> that he had seen a similar thing on Solaris 2.6, but there was no
> further discussion on a solution. At the moment, the only thing I can do
> is to kill off the processes by hand, or worse, reboot. Has anyone else
> seen this, and if so, is there a known solution? Is there any Solaris
> guru out there, who might know of a kernel parameter that I can tune to
> reduce this problem?
>
> --
> See complete headers for more info
>
