Red Hat Bugzilla – Bug 426066
Kernel hang until keypress during boot
Last modified: 2009-07-14 11:40:38 EDT
Description of problem:
Occasionally when rebooting the machine will hang part way through the boot
until I press a key.
Version-Release number of selected component (if applicable):
Though I have seen this happen on earlier kernels including some from Fedora 7.
This happens very roughly about 20% of the time when booting on one machine.
Steps to Reproduce:
System hangs until a key is pressed after the line:
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
After hitting a key the next line displayed starts with "Clocksource".
No hang during the reboot.
This doesn't happen on another machine I run Fedora 8 on.
Created attachment 289852 [details]
Created attachment 289853 [details]
Should be fixed in 22.214.171.124-85 or higher.
I'll keep an eye on it. I recently went to 126.96.36.199-85.fc8 and thought I saw the
problem again yesterday. I noticed that I had another line about the serial
device that wasn't there when I wrote things down for the bug report.
If I confirm that it is still happening with this kernel I'll update the bug.
Because of another kernel bug, I end up rebooting that machine pretty often
(every couple of days) to recover from IO hangs.
It did reoccur today with kernel 188.8.131.52-85.fc8, so it looks like there is
still an issue.
I saw it again on 184.108.40.206-107.fc8.
I am going to try to upgrade this machine to Rawhide. If that works I won't have
an easy way to test 2.6.23 kernels any more, but I'll report back if I see the
problem with 2.6.24 kernels or if it doesn't happen again for a long time.
I saw it again on 2.6.25-0.65.rc2.git7.fc9.
I haven't seen this is a while now. Since it wasn't happening very often before,
I don't want to declare it fixed, just give you an update of what I haven't been
I had this (a hang until keypress) with 220.127.116.11-86.fc9.i686.
I had this happen twice in a row with 18.104.22.168-108.fc9.i686. In the first case where it was over 12 hours before I had physical access to the machine, hitting keys did not continue the boot. On the next try, where it also hung, hitting a key did continue the boot process.
I have retired the machine that was doing this (at work) and no longer have access to the hardware to do further testing.
This message is a reminder that Fedora 9 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
and issuing updates for Fedora 9. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as WONTFIX if it remains open with a Fedora
'version' of '9'.
Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, simply change the 'version'
to a later Fedora version prior to Fedora 9's end of life.
Bug Reporter: Thank you for reporting this issue and we are sorry that
we may not be able to fix it before Fedora 9 is end of life. If you
would still like to see this bug fixed and are able to reproduce it
against a later version of Fedora please change the 'version' of this
bug to the applicable version. If you are unable to change the version,
please add a comment here and someone will do it for you.
Although we aim to fix as many bugs as possible during every release's
lifetime, sometimes those efforts are overtaken by events. Often a
more recent Fedora release includes newer upstream software that fixes
bugs or makes them obsolete.
The process we are following is described here:
Fedora 9 changed to end-of-life (EOL) status on 2009-07-10. Fedora 9 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.
If you can reproduce this bug against a currently maintained version of
Fedora please feel free to reopen this bug against that version.
Thank you for reporting this bug and we are sorry it could not be fixed.