Red Hat Bugzilla – Bug 469303
Kernel oops when resuming with NetworkManager enabled
Last modified: 2009-07-14 13:06:47 EDT
Created attachment 322025 [details]
the dmesg after resuming and re-enabling the netowrk via nm-applet
Description of problem:
I cannot use the NetworkManager servic due to the fact it kills my NIC after resuming the laptop. It happens only if I let network manager manage the NIC, if I disable this service and use network instead suspend/hibernate and resuming from works perfectly. The problem is when I use network service instead the applications do not know when there is a network available. So i would like to use NM, but i cannot.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Make sure the eth0 adapter is managed by the NM (system-config-network and tick on Manager by NM)
2. Set up a wired connection for your network and test it (browse some page)
3. hibernate the laptop and then resume
NM says you are now connected, but you are not.
Normal resuming of the networking
The card is detected as
via-rhine.c:v1.10-LK1.4.3 2007-03-06 Written by Donald Becker
eth0: VIA Rhine III at 0xe0000000, 00:40:d0:81:e1:1e, IRQ 10.
eth0: MII PHY found at address 1, status 0x7869 advertising 05e1 Link 45e1.
After resuming the kernel fails (please see attached dmesg), it also fails after I disable and re-enable the NIC via the menu of the nm-applet.
This does not happen with network service enabled and NM disabled, only NM enabled oops the kernel.
Created attachment 322197 [details]
This is yet another network driver that requests an irq before it's actually ready to handle an interrupt.
Sorry, I am not sure how can I test this as it is actually a kernel patch as far as I can tell, maybe a howto or quick intro can be pointed?
Created attachment 322653 [details]
dmesg after kernel failure
I have done the following:
rpmbuild -bb --target=i686 kernel.spec
with edited spec file to include the proposed patch at the end after all other patches. I am 100% sure the patch is applied as I see it in the output. The kernel version is the one in updates for f9 (kernel-22.214.171.124-79.fc9.i686)
Then installed the new rpm over the existing one with
rpm -ihv --force kernel*
Then rebooted the box.
then edit the network settings to allow NM to control eth0
Then /etc/init.d/network stop
the network is connected successfully, everything works fine.
Then i hibernate the laptop and after that i resume it - the kernel ops applet displays notification and the dmesg after that is attached with this message. I don't understand if there is a change in the error but it seems the same to me.
Can someone please confirm if I am testing this correctly?
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