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Old 04-08-2009, 03:16 PM   #1
ofaring
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Apparent Debian -only- issue w/Tosh. Satellite 2590CDT


Posting in this forum as opposed to "laptops" as it is Debian specific, not laptop specific...move if necessary.

I enjoy using Debian, no question about it. Etch has performed beautifully on ancient hardware:
Quote:
Toshiba Satellite 2590CDT, manufactured ~1998, Celeron 400MHz, 192 mb SDRAM (the maximum capable), Trident Cyber 9525 w/2.5mb SGRAM, 800x600 resolution
And to address the first argument before it begins: Why use such a beast? Two reasons. First, why not? I write; I don't edit video. I fail to see the reason for constantly upgrading viable hardware outside of supporting an artificial momentum within the tech industry. Two, this is the toughest ordinary laptop I've ever seen. My Satellite Pro 6100 croaked this year after being babied all its life.

New release of Debian rolls out, wanna upgrade. Yeah. Except Lenny, and then Sid - when I decided to roll up my sleeves - both exhibit the same issue.

Brand new, minimal install (fluxbox, etc.): the fan will not shut off. On examination "top" shows ~99% idle, CPU temp: 70 C. The laptop will run software more or less normally, it's not an issue of some process hogging resources. but the CPU, which chills at ~55 C under Etch, constantly runs rampantly hot. I've tried different kernels, different installs (eg: debootstrap - truly minimal), online searches, and I've even resorted to incantations. Nothing has helped. (Keeping in mind that I'm not a developer.)

I used to run Slackware, so I tried two other distros: Slackware 12.2 and Arch LInux. Neither of these exhibited this behaviour.

Anybody out there have a reasonably intelligent idea of what's causing the kerfuffle? I would hate to think that (outside of a "normal" bug) Debian, of all distros, has incidentally pulled the plug on my old - but still "i686" class - hardware.

Thank you for your time.
 
Old 04-08-2009, 03:52 PM   #2
farslayer
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Older hardware is probably APM not ACPI power management..

I would bet if you look ACPI support is installed but APM is not, at least that is where I would start my search.

Code:
user@it-lenny:~$ aptitude search apm
v   apm-sleep                                                   -                                                                      
p   apmd                                                        - Utilities for Advanced Power Management (APM)                        
p   hapm                                                        - light and fast high availability port monitor                        
p   libapm-dev                                                  - Library for interacting with APM driver in kernel                    
i   libapm1                                                     - Library for interacting with APM driver in kernel                    
p   xapm                                                        - X program to monitor APM battery status                              
                                           
user@it-lenny:~$ aptitude search acpi
i A acpi                                                        - displays information on ACPI devices                                 
p   acpi-support                                                - scripts for handling many ACPI events                                
p   acpi-support-base                                           - scripts for handling base ACPI events such as the power button       
i   acpid                                                       - Utilities for using ACPI power management

Last edited by farslayer; 04-08-2009 at 03:53 PM.
 
Old 04-08-2009, 07:19 PM   #3
ofaring
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@farslayer

Thank you for the quick reply and the thought.

The laptop does actually support ACPI, and in fact even uses it reliably under Linux and FreeBSD, which is surprising considering its age. I have run it in the past with ACPI disabled, but found it preferably to use ACPI.

BUT, that was then. After reading your post, I realised that I hadn't tried disabling ACPI with Lenny. Silly of me. Guess what. Fan not running, heat problem gone. Hmmm... Likely a kernel or kernel config related issue after all. It is a Mendocino processor. I vaguely recall reading about potential issues with it. I'll have to dig further into that when I've got a bit more time.

Thank you once again. Always good to be on the right track.
 
Old 04-08-2009, 08:06 PM   #4
farslayer
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Hmm maybe it does support ACPI, but not all implementations of ACPI are created equal if you know what I mean.. some are buggy. Did you check for any BIOS updates for the Laptop ?

Best of luck on the rest of your search
 
Old 04-09-2009, 08:57 PM   #5
ofaring
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Just a final word on the very off chance that someone else may have a similar issue.

I've switched to an older kernel: 2.26.22-3-686, image, headers etc, from an earlier Lenny snapshot. By and large, everything is working properly. Madwifi built, etc. Later, I'm going to build the latest version of the 2.26.22.xx kernel, as there are a couple of minor issues which I hope to chase away. Right now stability is top notch and the laptop runs cool, which is only right for a 400 MHz processor.

Early ACPI is certainly bug riddled, which is why I've been surprised at how well this implementation works.

From dmesg.
Code:
ACPI: Interpreter enabled
ACPI: (supports S0 S1 S3 S4 S5)
...
ACPI: Transitioning device [FAN] to D3
ACPI: Fan [FAN] (off)
ACPI: CPU0 (power states: C1[C1] C2[C2])
ACPI: Thermal Zone [THRM] (35 C)
Although I don't bother using S2RAM with this laptop, I do use hibernate, and it wakes up properly.
 
  


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