Public bug reported:
Dell Dimension 4600 w/Pentium 4 dual processors running Xubuntu 10.04
latest update through an Airlink 101 KVM switch hub connected to a
second Airlink 101 KVM switch. I am using the onboard video.
Soon after the screen exits grub to boot (I get the startup indicator)
the screen goes blank with a no signal message and system locks. The
only way it shuts down is to hold the power button until it turns off. I
can get a diagnostic report after start using 2.6.24-28 generic
(recovery mode). At the end of the report I have an unresponsive curser.
The system boots fine using the live cd or bypassing the KVM or going
through one KVM.
Following is the diagnostic as best as I could get off the screen. A few
characters might be missing due to being off screen. Before this report
is the normal boot sequence.
libudev: udev_monitor_new_from_netlink: error getting socket: Invalid argument
[ 80.496823] wait-for-root[864]: segfault at 00000030 eip b7722f2b esp bfda41
0 error 4
Segmentation fault
Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check root delay= (did the system wait long enough?)
- Check root= (did the system wait for the right device?)
- Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/disk/by-uvid/6cbffd1d-0d30-4272-84f8-a77f4ff7f3c6 does not exist. D
opping to a shell!
BusyBox v1.13.3 (Ubuntu 1.13.3-1ubuntu11) built-in shell (ash)
Enter 'help' for a list of built-in commands.
(intramfs) _
As stated there is no response to input and screen will eventually go blank
although there will be no loss of video signal like there is during a normal
boot.
I do not know coding but I'm not totally inept. Best I can tell is that there
seems to be an issue with the system on this box dealling with the stacked KVM
switches. Maybe it is an issue with timing as the report suggests, I'm not sure
and I wouldn't know how to correct it. I have several other machines of varying
makes and models running the same system on the same setup without any
problems. This machine did fine with Xubuntu 8.04 and with 10.04 at initial
upgrade.
Thanks for any help.
I was told to report this as a bug. The original question is #144141
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/716028
Title:
Dell Dimension 4600 w/P4 dual w/Xubuntu 10.04 won't do normal boot
thru KVM's
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