salva, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue?
Can you try with the latest development release of Ubuntu? ISO CD images
are available from http://cdimage.ubuntu.com/releases/ .
If it remains an issue, could
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/649099
Title:
network freezes when creating tap devices and adding them to a bridge
in
** Tags added: acpi
** Tags added: acpi-parse-exec-fail
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https://bugs.launchpad.net/bugs/649099
Title:
network freezes when creating tap devices and adding them to a bridge in
I have been running the test program in several machines and it seems
that the bug only appears on those with the new intel processors i3 and
i5 (I couldn't test it on i7 as I don't own any one) but machines with
older processors (Intel core2 duo, AMD athlon, opteron, etc.) are not
affected.
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** Description changed:
Sometimes when creating several new tap devices and adding them to a
bridge interface in parallel the network freezes for some seconds.
The attached C program can be used to replicate the problem.
In a host with a bridge interface configured as its main
** Tags added: maverick
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network freezes when creating tap devices and adding them to a bridge in
parallel
https://bugs.launchpad.net/bugs/649099
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The bug is also reproducible using the latest kernel build available
from http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/
# uname -a
Linux qvd-test2 2.6.36-999-generic #201009261124 SMP Sun Sep 26 11:27:24 UTC
2010 x86_64 GNU/Linux
** Changed in: linux (Ubuntu)
Status:
** Attachment added: create and attach tap interfaces to a bridge
https://bugs.launchpad.net/bugs/649099/+attachment/1644916/+files/tapbug.c
** Attachment added: BootDmesg.txt
https://bugs.launchpad.net/bugs/649099/+attachment/1644917/+files/BootDmesg.txt
** Attachment added:
Hi salva,
If you could also please test the latest upstream kernel available that would
be great. It will allow additional upstream developers to examine the issue.
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the
upstream kernel, please remove the
