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Old 05-03-2010, 11:16 AM   #1
crow_se
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Registered: May 2008
Location: Weston-Super-Mare, UK
Distribution: PCLinuxOS
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do_IRQ: 0.83 error


Has anyone come across an error message
Message from syslogd@localhost at Date and Time
localhost klogd: do_IRQ: 0.83 No irq handler for vector (irq -1) ?

I have just upgraded PCLinuxOS from 2009(KDE3.5) to 2010(KDE4.x) and I keep getting this message. No-one on the PCLos forums seems able to help.

The only errors or warnings in dmesg or /var/log/syslog are

Apr 23 15:57:27 localhost klogd: ACPI Warning: Incorrect checksum in table [OEMB] - 9D, should be 8E (20090903/tbutils-314)
Apr 23 15:57:28 localhost klogd: Warning! ehci_hcd should always be loaded before uhci_hcd and ohci_hcd, not after
Apr 23 15:57:46 localhost avahi-daemon[2541]: WARNING: No NSS support for mDNS detected, consider installing nss-mdns!
Apr 23 15:57:28 localhost klogd: ACPI Error (psparse-0537): Method parse/execution failed [\_PR_.CPU1._PDC] (Node f6c0c180), AE_INVALID_TABLE_LENGTH
Apr 23 15:57:28 localhost klogd: ACPI Error (psparse-0537): Method parse/execution failed [\_PR_.CPU2._PDC] (Node f6c0c240), AE_INVALID_TABLE_LENGTH

I found one or two references to this on the web with an explanation that it was to do with the kernels Radeon DRM driver. This was then refuted by the same person who compiled a kernel without this driver and still received the error messages.
Has anyone any idea what it means ? Should I be concerned about it ?
TIA
 
Old 05-03-2010, 04:21 PM   #2
vikas027
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Why dont you try out things at google first and then seek help.

Go to this google link and come back if you are unable to find a solution. I and others will be happy to help then.
 
Old 05-03-2010, 05:47 PM   #3
TB0ne
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Quote:
Originally Posted by vikas027 View Post
Why dont you try out things at google first and then seek help.
Uhh..the OP DID check Google first, as he mentioned in his post, as well as checking another forum.

crow_se, in response to "Should I be concerned about it?", the answer is no, not really. From what I've read, it appears to be a bug in the driver, so you can either wait for an update to fix it (easiest), or backrev things until it goes away (Ugh...) Shouldn't affect things much, unless you're doing some heavy crunching. What kind of hardware are you running this on?? And do you have a Radeon card? If so, you can always try the nVidia drivers from their site....
 
Old 05-04-2010, 07:07 AM   #4
crow_se
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Registered: May 2008
Location: Weston-Super-Mare, UK
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Thanks for the replies.
As I said in my first post, I did google for an answer.
I also posted this query to another Linux forum and received an answer that maybe switching off ACPI
would help. If I type acpi -V in a terminal I get the reply
No support for device type: power_supply
No support for device type: power_supply
No support for device type: thermal
No support for device type: thermal

I followed the advice and switched off ACPI. So far, after a couple of hours running, I have not received the
do_IRQ message.
Hopefully this has sorted it out. If so, I will come back in a day or two and mark the thread solved.
btw, system:
Pentium 4 dual core 3GHz
2Gb RAM
Nvidia Geforce 7950 GT
ASRock P4VM890 mobo

Last edited by crow_se; 05-04-2010 at 07:08 AM.
 
Old 05-04-2010, 02:39 PM   #5
vikas027
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Quote:
Originally Posted by TB0ne View Post
Uhh..the OP DID check Google first, as he mentioned in his post, as well as checking another forum.
My mistake, apologies.
 
Old 05-04-2010, 06:31 PM   #6
TB0ne
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Quote:
Originally Posted by crow_se View Post
Thanks for the replies.
As I said in my first post, I did google for an answer.
I also posted this query to another Linux forum and received an answer that maybe switching off ACPI
would help. If I type acpi -V in a terminal I get the reply
No support for device type: power_supply
No support for device type: power_supply
No support for device type: thermal
No support for device type: thermal

I followed the advice and switched off ACPI. So far, after a couple of hours running, I have not received the
do_IRQ message.
Hopefully this has sorted it out. If so, I will come back in a day or two and mark the thread solved.
btw, system:
Pentium 4 dual core 3GHz
2Gb RAM
Nvidia Geforce 7950 GT
ASRock P4VM890 mobo
Use that option with caution, though. ACPI can often control things like fans, power managment, etc.

And as I suggested in my first post, you could try to install the proprietary nVidia drivers, which may make the problem abate.
 
Old 05-06-2010, 06:42 AM   #7
crow_se
LQ Newbie
 
Registered: May 2008
Location: Weston-Super-Mare, UK
Distribution: PCLinuxOS
Posts: 21

Original Poster
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Switching off ACPI did stop the do_IRQ error, but it would not shut down !
Reboot was ok, but with shutdown the pc just sat there with the disk spinning
until I pressed the power button.
Switched it back on again and back to the do_IRQ messages.
 
Old 05-06-2010, 08:37 AM   #8
rfernandez
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Registered: Mar 2010
Location: Brazil
Distribution: Slackware64
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Hi. Could you do a "lsdev" on your box an get whoever is the name that holds the IRQ 83?

About the ehci, uhci and ohci issue, I found this on the Slackware /etc/modprobe.d

Code:
# Make sure that ehci-hcd is always loaded before uhci-hci
# # or ohci-hcd to prevent a kernel warning:
install uhci-hcd /sbin/modprobe ehci-hcd ; /sbin/modprobe -i uhci-hcd
install ohci-hcd /sbin/modprobe ehci-hcd ; /sbin/modprobe -i ohci-hcd
Put it on your /etc/modprobe.d as usb-controller.conf and this issue will maybe go away.

Last edited by rfernandez; 05-06-2010 at 08:41 AM.
 
  


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