Share your knowledge at the LQ Wiki.
Go Back > Forums > Linux Forums > Linux - Hardware
User Name
Linux - Hardware This forum is for Hardware issues.
Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?


  Search this Thread
Old 04-15-2005, 03:34 AM   #1
Registered: Jun 2002
Location: Nova Scotia
Distribution: Debian (home), Kubuntu 7.04 (work)
Posts: 265

Rep: Reputation: 30
Recurring cold boot failures

Lately my computer's been having problems booting from cold when I switch it on in the morning. However, the symptoms appear to be different each time. Sometimes it's a kernel panic as init starts, sometimes it gets nearly all the way through but then X11 refuses to start - apparently because the kernel DRM module has failed to load - and this morning fsck segfaulted while it was trying to check my root partition!

The odd thing about this is that if I then press the reset button, the computer boots normally and operates normally throughout the day.

What do you think is the most likely cause of this apparent aversion to booting from cold? I suspect hard disk trouble, but I was wondering whether the memory or some other component might need "warming up" before it can work properly.

Anyway, all advice is welcome!
Old 04-15-2005, 10:03 AM   #2
Registered: Mar 2005
Location: Ice Station Alert AFB
Distribution: Gentoo
Posts: 166

Rep: Reputation: 30
This is probably a bad connection, or a power supply problem, like weak capacitors which are taking too long to charge up and pull up the D.C. voltage to the boards and hard drives. Often with motors, (i.e.,hard drives) the current drain on a cold powersupply causes a voltage drop and the hardware then operates unreliably.
If you have a weak powersupply you can try to replace the caps yourself if you have the skills, or else just replace the whole unit, or remove some items from the computer to decrease the strain. Sometimes a powersuppy will have several connectors to power CDs, Floppies and Hard drives. Make sure that each hard drive is on a separate cable set coming from the supply box, as this should hopefully ensure that each drive is powered by a separate sub-section. Alternately, check that the CDROMs (which also draw current when they spin are on their own line, and that the floppy is powered from the same line as the CD/DVD, because usually these three units are not all running at once. When they are idle they should draw little or no power.
But if you have a couple of Hard Drives and a CD player on the same cabling, there is a chance that you are overloading one section of your power supply, but not efficiently using some other section.
Old 04-15-2005, 10:25 AM   #3
Registered: Jun 2002
Location: Nova Scotia
Distribution: Debian (home), Kubuntu 7.04 (work)
Posts: 265

Original Poster
Rep: Reputation: 30
Thanks for the tips. Looks like I'll be taking a screwdriver to my box this weekend...


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
statisitical breakdown of boot failures foxbat3 Linux - Software 4 09-27-2005 10:47 AM
recurring hard drives woes king111 Linux - Hardware 1 07-29-2005 07:20 PM
recurring fsck failures, can't boot anymore newbix Linux - General 4 07-03-2004 04:55 PM
recurring ext3 error jkobrien Linux - General 13 04-26-2004 11:57 AM
Multiple failures to boot dukegrad98 Red Hat 2 12-20-2003 12:51 PM > Forums > Linux Forums > Linux - Hardware

All times are GMT -5. The time now is 10:01 PM.

Main Menu
Write for LQ is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration