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-   -   Intel's watchdog support iTCO_wdt - does this mean watchdog is not present? (http://www.linuxquestions.org/questions/linux-hardware-18/intels-watchdog-support-itco_wdt-does-this-mean-watchdog-is-not-present-702307/)

kushalkoolwal 02-04-2009 01:45 PM

Intel's watchdog support iTCO_wdt - does this mean watchdog is not present?
 
I am using Debian Lenny with 2.6.26 kernel. I get following message on my Intel M (32 bit machine).

Code:

[    7.008855] iTCO_vendor_support: vendor-support=0
[    7.096282] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.04
[    7.096343] iTCO_wdt: failed to reset NO_REBOOT flag, reboot disabled by hardware
[    7.096352] iTCO_wdt: No card detected

Does the above message mean that I don't have watchdog on my hardware and therefore the driver does not detect it
OR
Does it mean the watchdog is present but the module (iTCO_wdt) is not able to detect/configure it properly?

The messages are rather confusing. First it says that:
Code:

[    7.096343] iTCO_wdt: failed to reset NO_REBOOT flag, reboot
and then it says:
Code:

[    7.096352] iTCO_wdt: No card detected
So if no card was detect how can it say not the NO_REBOOT flag. :scratch:

here is my lspci output:
Code:

00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to AGP Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 82)
00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller
(rev 02)
02:00.0 CardBus bridge: Texas Instruments PCI1420 PC card Cardbus Controller
02:00.1 CardBus bridge: Texas Instruments PCI1420 PC card Cardbus Controller
02:04.0 Ethernet controller: Intel Corporation 8255xER/82551IT Fast Ethernet Controller (rev 10)
02:05.0 Ethernet controller: Intel Corporation 8255xER/82551IT Fast Ethernet Controller (rev 10)

Thanks

kushalkoolwal 02-06-2009 12:20 PM

sorry for bumping this up......

farslayer 02-06-2009 03:14 PM

Posts that have Zero replies get automatically bumped twice.. since you manually bumped this it's no longer a Zero reply post and will not get the second automatic bump.

There is also a "Zero Reply Threads" link in the quick links menu that people use to look at all the Zero reply threads.. since you bumped this it will not show up under that link anymore..

So basically I'm sayin you were better off NOT bumping your own thread..



watchdog can run in a purely software mode, so if it didn't detect watchdog hardware maybe that is what it is referring to ?
That's a guess since I am not familiar with the watchdog curcuitry nor configuring the watchdog application.

kushalkoolwal 02-06-2009 03:16 PM

Quote:

Originally Posted by farslayer (Post 3434530)
Posts that have Zero replies get automatically bumped twice.. since you manually bumped this it's no longer a Zero reply post and will not get the second automatic bump.

Sorry. Wasn't aware of that one.


Quote:

Originally Posted by farslayer (Post 3434530)
So basically I'm sayin you were better off NOT bumping your own thread..

You are right.


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