home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!ogicse!hp-cv!hp-pcd!hpfcso!hpcuhb!hpindda!mintz
- From: mintz@hpindda.cup.hp.com (Ken Mintz)
- Newsgroups: comp.sys.hp
- Subject: Re: Sleeping processes
- Message-ID: <4310271@hpindda.cup.hp.com>
- Date: 18 Aug 92 22:23:29 GMT
- Article-I.D.: hpindda.4310271
- References: <1992Aug18.122020.8445@ugle.unit.no>
- Organization: HP Information Networks, Cupertino, CA
- Lines: 21
-
- > F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME COMD
- > 1 S 0 22026 22023 0 168 20 47d2580 657 68fa8000 ttys0 2:12 fbackup
- > What is event 68fa8000 and where do I find some more information about the
- > issue?
-
- WCHAN is usually simply the address of an internal kernel data structure.
-
- We can use adb on the kernel to determine the name of the structure (if
- it is not allocated dynamically), but the name is often meaningful only
- to a development engineer who is familiar with internal kernel algorithms.
- If the structure is allocated dynamically (for example, a socket buffer),
- any name that adb might yield is meaningless.
-
- In terms of understanding what is happening, it is often useful to see
- the kernel stack trace for the process. Unfortunately, that is not
- obtained easily.
-
- -- Ken Mintz
-
- DISCLAIMER: Comments and opinions expressed are my own. They do not
- represent Hewlett-Packard Company.
-