Weird Boot Error: virbr0 starting userspace STP failed
I suddenly could not boot my Linux box (Fedora 11) today. It showed some error messages as follows,
virbr0: starting userspace STP failed, starting kernel STP ADDRCONF(NETDEV_UP): eth0: link is not ready e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None 0000:00:19.0: eth0: 10/100 speed: disabling TSO ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
In the beginning, I thought it is related to network or libvirtd. But I did not solve the problem by turning off libvirtd. I did not change anything in my last boot. But I updated Fedora packages using Software Update. However, I did not pay attention what I updated. By searching on web, I found some people talked about this issue after upgrading video drivers. I felt it may be the same reason.
My video card is Nvidia. I used nvidia linux driver (NVIDIA-Linux-x86-190.42-pkg1.run) downloaded from nvidia web site. To give it a try, I decided to reinstall it. So I boot at runlevel 3, and run the driver installer NVIDIA-Linux-x86-190.42-pkg1.run again in text mode. It rebuilt the driver and reset xorg.conf. Then, the problem was fixed.
After that, I found that there are actually a lot of errors in /var/log/Xorg.?.log such as
NVIDIA: Failed to load the NVIDIA kernel module. Please check your system's kernel log for additional error messages.
Also, /var/log/messages log has error message as follows.
WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors init:prefdm main process terminated with status 1
So this weird boot error is really caused by video driver. The errors related to virbr0 were just coincident errors that showed up after X failed to start. I checked my logs. Such errors have been there for every boot. I just did not see them. Now I turn off libvirtd service.
FYI, to boot into runlevel 3 in this hanging case. Select the linux image entry to boot in GRUB, press ‘e’. In next screen, move to the kernel line, press ‘e’. In my case, it ends up with ‘rhgb quiet’, which is redhat graphic boot. Delete ‘rhgb, quite’, replace it with ‘3′. Then press ‘b’. It will boot to runlevel 3 without starting those daemons or X window. Just log in as root and reinstall the video driver. If runlevel 3 does not work, try single user mode, i.e. replace ‘rhgb quite’ with ’single’.
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Can you help… When I try to install video drivers, he says that i haven’t kernel-source rpm… How i can to install it???
First of all, I am not saying this error is definitely due to video driver. My point is that this error may be just a coincidence. You’d better check your system logs /var/log/messages first to see where it exited. If you have never updated the default video driver, it is highly possible that it is not caused by the video driver. I had replaced the default video driver before. I believe a new software update in my system replaced something and caused the problem.
FYI, to install kernel source, the easiest way is to use yum on fedora. You can check which kernel is installed or available for install by
> yum list | grep -i kernel |grep installed
kernel-PAE.i686 2.6.30.9-96.fc11 installed
kernel-PAE-devel.i686 2.6.30.9-96.fc11 installed
In this case, kernel source is already installed by kernel-PAE-devel.i686. If it is not installed, to install it,
> yum install kernel-PAE-devel.i686
It may be different in your system such as kernel-devel.i586, etc.
Thanks!
Yun