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Bug 563105

Summary:	Cannot pass ethtool offline test inside guest and its network will be down after execution
Product:	Red Hat Enterprise Linux 5	Reporter:	Yolkfull Chow <yzhou>
Component:	kvm	Assignee:	Michael S. Tsirkin <mst>
Status:	CLOSED WONTFIX	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	low
Version:	5.5	CC:	llim, ndai, tburke, virt-maint, ykaul
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-01-17 13:03:56 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:
Bug Depends On:
Bug Blocks:	580946

Description Yolkfull Chow 2010-02-09 08:57:08 UTC

Description of problem:
Execute command 'ethtool -t eth0 offline' will always fail and guest network will be down after that.


Some info from guest:

# ethtool -i eth0
driver: e1000
version: 7.3.20-k2-NAPI
firmware-version: N/A
bus-info: 0000:00:03.0

`dmesg' output after executing ethtool offline test:

e1000: eth0: reg_pattern_test: pattern test reg 0028 failed: got 0x00000000 expected 0x5A5A5A5A
ADDRCONF(NETDEV_UP): eth0: link is not ready
e1000: eth0: e1000_watchdog_task: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
eth0: no IPv6 routers present
e1000: eth0: e1000_watchdog_task: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
eth0: no IPv6 routers present


Version-Release number of selected component (if applicable):
kvm-83-157
NIC model: e1000

How reproducible:
Always

Steps to Reproduce:
1. Start guest:
#/root/devel/autotest/client/tests/kvm/qemu -name vm1 -monitor tcp:0:6001,server,nowait -drive file=/root/devel/autotest/client/tests/kvm/images/RHEL-Server-5.4-64.qcow2,if=ide,boot=on -net nic,vlan=0,model=e1000,macaddr=00:AE:70:05:36:01 -net tap,vlan=0,ifname=e1000_0_6001,script=/root/devel/autotest/client/tests/kvm/scripts/qemu-ifup-switch,downscript=no -m 512 -smp 1 -usbdevice tablet -rtc-td-hack -no-hpet -cpu qemu64,+sse2 -no-kvm-pit-reinjection -vnc :0 &

2. log into the guest, and execute command 'ethtool -t eth0 offline'
3. check network of guest
  
Actual results:
guest network is down

Expected results:
ethtool offline test should pass and network should survive

Additional info:

Comment 4 RHEL Program Management 2011-01-11 20:17:05 UTC

This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated in the
current release, Red Hat is unfortunately unable to address this
request at this time. Red Hat invites you to ask your support
representative to propose this request, if appropriate and relevant,
in the next release of Red Hat Enterprise Linux.

Comment 5 RHEL Program Management 2011-01-11 22:49:39 UTC

This request was erroneously denied for the current release of
Red Hat Enterprise Linux.  The error has been fixed and this
request has been re-proposed for the current release.

Comment 6 Michael S. Tsirkin 2011-01-17 13:03:56 UTC

I don't think we care.