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Bug 55983

Summary: ps is hung, forever
Product: [Retired] Red Hat Linux Reporter: Frank Hirtz <fhirtz>
Component: kernelAssignee: Arjan van de Ven <arjanv>
Status: CLOSED RAWHIDE QA Contact: Brock Organ <borgan>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.1Keywords: FutureFeature
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2003-02-19 16:47:48 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Frank Hirtz 2001-11-09 21:19:34 UTC
Description of Problem:

ps was stuck on a specific process.

$ cd /proc/14985
$ cat cmdline (or status or stat or
 maps)
 
   -hangs!!!!!!!!

$ strace cat maps
  
  ......
   
open("maps", O_RDONLY|O_LARGEFILE)      = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
brk(0x8051000)                          = 0x8051000
read(3, 

when it hangs (we can\'t reproduce it) doing a cat on the /proc/$pid/*
files (I only checked stat and statm) will never return.



Version-Release number of selected component (if applicable):
2.4.9-6 kernel

How Reproducible:


Steps to Reproduce:
1.cd /proc/14985 
2. cat cmdline
3. 

Actual Results:


Expected Results:


Additional Information:

Comment 1 Bill Nottingham 2003-02-19 16:47:48 UTC
Please try more recent errata kernels.