LinuxQuestions.org
Support LQ: Use code LQ3 and save $3 on Domain Registration
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Hardware
User Name
Password
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?

Notices

Reply
 
LinkBack Search this Thread
Old 08-21-2004, 04:19 AM   #1
zbrox
Member
 
Registered: Jul 2003
Location: bulgaria
Distribution: ubuntu hoary
Posts: 50

Rep: Reputation: 15
dma problems with kernel 2.6.7


i just compiled the 2.6.7 kernel the debian way. the problem is while starting my computer there is a warning message which tells me that the dma mode of my hard disk is not switched on, so the fsck process will be really slow due to that. when the machine boots i test the reading speed of the hdd with hdparm and it's something like 3 or 4MB/s. the interesting thing is that when i type hdparm -d 1 /dev/hda, the dma mode is turned on without a problem and everythings fine again, no problems. but when i reboot my machine the same thing happens again - dma has to be switched on manually. this wasn't an issue with my previous kernel 2.6.3. am i missing something, has i forgotten to compile something in. i can't post the whole .config file, so if someone has an idea, i can post the needed fragment of it. i will be very thankful if someone helps me! thanks in advance!!!
 
Old 08-21-2004, 05:06 AM   #2
hw-tph
Senior Member
 
Registered: Sep 2003
Location: Sweden
Distribution: Debian
Posts: 3,032

Rep: Reputation: 57
In kernel configuration (menuconfig), check that you have Device drivers --> ATA/ATAPI/MFM/RLL support --> Use PCI DMA by default when available enabled.


Håkan
 
Old 08-21-2004, 09:29 AM   #3
zbrox
Member
 
Registered: Jul 2003
Location: bulgaria
Distribution: ubuntu hoary
Posts: 50

Original Poster
Rep: Reputation: 15
thanks, that wasn't compiled in. i'll recompile and see what happens. but i'm pretty much sure that must be it thanks again
 
  


Reply


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
Trackbacks are Off
Pingbacks are On
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Hard Drive Problems: timeout waiting for DMA; error waiting for DMA mintee Linux - Hardware 10 09-21-2007 05:06 AM
DMA works but not by default (despite "use DMA by default" kernel) mehlkelm Linux - Hardware 7 04-11-2005 03:29 PM
preemptible kernel and dma (?) quatsch Linux - Software 11 02-22-2004 01:50 PM
problems enabling dma in kernel 2.6-test11 snoble Linux - Hardware 10 12-09-2003 01:20 PM
Kernel panic due to dma problems ? lolx Linux - Hardware 24 06-20-2002 10:48 PM


All times are GMT -5. The time now is 12:09 AM.

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