Red Hat Bugzilla – Bug 447523
system hangs on boot, (goes sleeping?)
Last modified: 2009-07-14 11:47:35 EDT
Description of problem:
the fedora i386 kernel does some weird things on my laptop (Samsung R60). the
system freezes on bootup if iam press a key then it continues the boot and i
dunno how i can communicate this to the bugzilla. i have tested another kernel
and this work fine (selfbuid) the problem seems belonging to this described on
this page: http://de.gentoo-wiki.com/Samsung_R60_plus#Prozessor the problem
doesn not happen in x86_64 the german text und
er the screen means that wrong settings cause hang on boot (my problem) thanks
for noticing my issue
Version-Release number of selected component (if applicable):
this exists since f8 and persists till today in f9
the installer runs on this machine in text mode only. i switch to a button in
anaconda and press enter. the button goes down and hold. nothing happen anymore.
then i press the "strg" key also known as "ctrl" i press multiple times and
viola the button comes back on top and the dialog continues asking me about the
setup. the problem continues during the entire installation. the first boot:
IMHO the systems stop after loading udev. i must push on the touchpad or press a
key then the system contiues the booting sequence. after some seconds the system
hangs again. this is happen mutlitple times on nearly every boot. every 10 or 20
boot are does not affected by this weird behavior. when i have a lot of time i
can wait 10 - 30 minutes and he comes back from this sleeping process and
Steps to Reproduce:
1. install f8 or f9 i386
seems the i386 kernel is affected only the x86_64 works fine. but i can't use it
because i need the madwifi and this package is 32 bit currently only. reason is
that atheros released currently for the card a 32bit hal only.
does booting with nohz=off help ?
It seems indeed that this options solve that issue. in a subjective way i would
like to say that this options slightly boosts the boot process. can i know what
this option has for disadvantages in my case?
It will use more power (so the battery won't last as long.)
the thing is that this sleeping is on boot only and not all the time when it
boots. iam booting now with nohz=off and compare the output from powertop...
my summary is when iam boot without the nohz=off then on boot i must press keys
to continue powertop says approx 16W power consumption, and approx 60 cpu
wakeups per second.
booting with nohz=off, the boot works fine and seems faster that the option
above. powertop says the cpu wakes up aprox 1000 wakeups in a second, the power
consumption is the same as above 16Watts.
what can i do to resolve the problem? iam already updated the bios in that
machine. what now?
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