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[Bug 679685] New: shutdown on kernel-desktop hangs in ip link set down brX
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 15 Mar 2011 09:40:35 +0000
  • Message-id: <bug-679685-21960@http.bugzilla.novell.com/>

https://bugzilla.novell.com/show_bug.cgi?id=679685

https://bugzilla.novell.com/show_bug.cgi?id=679685#c0


Summary: shutdown on kernel-desktop hangs in ip link set down
brX
Classification: openSUSE
Product: openSUSE 11.4
Version: Final
Platform: x86-64
OS/Version: SuSE Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: mt@xxxxxxxxxx
QAContact: qa@xxxxxxx
Found By: Development
Blocker: ---


During testing of bug 678540, I've observed, that ip link set down brX
(and the complete shutdown because of it) hangs with kernel-desktop,
when there is a vlan and a bridge on with the vlan interface as port:

Another machine running kernel-xen-2.6.37.1-1.2.2.x86_64, a bonding over two
interfaces (miimon=100 mode=802.3ad lacp_rate=fast xmit_hash_policy=layer2+3)
using forcedeth drivers as well and then 3 vlans + 3 bridges on top of the
bonding did not show any such problems.

I've removed the bonding, changed to use eth0 directly, booted it with destop
kernel... No problems with ping so far, but it were unable to stop the network:
a ip link set down br5000 were in D state and ip a s on another still open
console stopped as well in D state... ?!

kernel-desktop:
with bond: no packet drops, ip link set dev br5000 down -> D / blocks
shutdown
without bond: no packet drops, ip link set dev br5000 down -> D / blocks
shutdown

kernel-default:
with bond: no packet drops, no (shut)down problems
without bond: no packet drops, no (shut)down problems

kernel-xen:
with bond: no packet drops, no (shut)down problems
without bond: no packet drops, no (shut)down problems

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