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Bug 146

Summary:	ping shows buggy numbers about packets
Product:	[Retired] Red Hat Linux	Reporter:	pavel.janik
Component:	aboot	Assignee:	David Lawrence <dkl>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	5.2	CC:	pavel.janik
Target Milestone:	---
Target Release:	---
Hardware:	i386
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	1999-04-17 17:21:17 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 pavel.janik 1998-11-20 11:26:25 UTC

Try

ping -f localhost as root it should be obvious:

--- localhost ping statistics ---
1847 packets transmitted, 177 packets received, 90% packet
loss
round-trip min/avg/max = 0.9/42.4/84.9 ms

90% is bad...

Comment 1 Preston Brown 1998-11-20 11:44:59 UTC

Not a bug, you are flood pinging.  Not every ping request will come
back.

You are hammering the networking code in the kernel, it can't keep up.

Comment 2 Marc MERLIN 1998-11-28 06:59:59 UTC

Actually Pavel is most likely using a recent 2.1 kernel. There is a
known problem with the ping binary.
Please look at:
http://www.egroups.com/list/linux-kernel/77859.html
http://www.egroups.com/list/linux-kernel/78066.html

(If you don't know who Alexey Kuznetsov is, he did a _lot_ of TCP/IP
work in the 2.1 kernels)

Comment 3 Jeff Johnson 1999-04-17 17:21:59 UTC

*** This bug has been marked as a duplicate of 213 ***