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Old 10-29-2019, 06:02 AM   #61
Twigster
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Hello enorbet,

the computer never hangs while compiling (100% on both cores) and I can reproduce the issue instantly after boot while the computer sits powerless for hours or nights.

Here the computer was powered on for two hours idling with firefox open which is my typical use case :
Code:
~# sensors
coretemp-isa-0000
Adapter: ISA adapter
Core 0:       +55.0�C  (high = +100.0�C, crit = +100.0�C)
Core 1:       +60.0�C  (high = +100.0�C, crit = +100.0�C)

dell_smm-virtual-0
Adapter: Virtual device
Processor Fan: 2732 RPM
CPU:            +59.0�C  
Other:          +46.0�C  
SODIMM:         +59.0�C
Code:
~# cat /etc/sysconfig/lm_sensors 
# Generated by sensors-detect on Tue Oct 29 10:54:38 2019
# This file is sourced by /etc/init.d/lm_sensors and defines the modules to
# be loaded/unloaded.
#
# The format of this file is a shell script that simply defines variables:
# HWMON_MODULES for hardware monitoring driver modules, and optionally
# BUS_MODULES for any required bus driver module (for example for I2C or SPI).

HWMON_MODULES="coretemp"
I conclude that the temps are not extreme.

Last edited by Twigster; 10-29-2019 at 06:08 AM.
 
Old 10-29-2019, 04:50 PM   #62
abga
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@enorbet
Quote:
Since yours does not apparently have a separate chip for graphics but is combined in a single CPU/GPU chip it is extremely likely your temps are extreme and quite possibly the cause of hard hangs.
Intel started to include the GPU in the CPU die with the Core i* series.
https://en.wikipedia.org/wiki/Clarkd...icroprocessor)
The GPU looks to be close to the CPU on the MB and I believe it's also touched by the heat-sink/heat-pipe:
https://www.parts-people.com/index.p...n=item&id=3941


@Twigster

Let me get this straight, is your system only (and only) hanging when X is started?

Have you tried what I was suggesting in post #48 - the long chain of i915 parameters originating from the manjaro article?

Additionally, if the manjaro stuff doesn't work, inspect the available parameters the i915 modules offers ( run /sbin/modinfo i915 ) and try to disable everything that has to do with power management, like backlight/lid sensor/etc, eventually add them separately or to the long chain from #48

You could even blacklist the i915 driver and end up again with the vesa frame buffer, like you did when disabling acpi, at least now the acpi will remain functional. The graphics will be definitely slower but if the system is stable, you can use it until you figure a way to "tame" the i915 driver.
- to achieve this, put in /etc/modprobe.d/i915.conf
Code:
blacklist i915
 
Old 10-29-2019, 05:10 PM   #63
enorbet
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@Twigster - Yes those temps look just fine. Check temperature off the list.
 
Old 10-30-2019, 10:45 AM   #64
baumei
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Hi Folks,

This morning I came across this thread, and I have seen troubles which seem similar to those described by the Original Poster.

I and my family have several computers which run Slackware 14.2, use the i915 module, and have the Intel built-in video 'card':
(a) One T60 has the Intel 945GM chipset.
(b) One ASUS Eee PC 1005HAB has the Intel 945GME chipset.
(c) One Lenovo ThinkCentre 9438B1U, which I think has the Intel G31 chipset.
(d) One Dell Dimension E520 has the Intel G965 chipset.

All of the above computers have/had the same symptoms. As far as I have been able to tell the trouble is related to switching of video modes, such as: when the screensaver locks/unlocks, or switching back and forth between a console and the running X session.

After the Dell E520 died I replaced it with a Dell 540S. The 540S has the Intel G45 chipset, has the Intel built-in video 'card', and uses the i915 module. I moved the hard-drive from one computer to the other, and changed nothing. I have not _noticed_ the symptoms on this computer, but I purposely avoid what I found increased the likelihood of a problem on the other computers --- because I want to use this computer a lot, and to have no problems.

Also, I have a T60p which has the Intel 945PM chipset, has the ATI Mobility FireGL video 'card', and uses the radeon module. In the 3.5 years I have been running this computer (a lot) it has never had the problem.

My suspicion is that the trouble is one or both of: the i915 module, the Intel built-in video 'card'.

Last edited by baumei; 10-30-2019 at 10:49 AM.
 
Old 10-30-2019, 12:05 PM   #65
abga
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@ baumei
I'm running 4 laptops on i915 and never had any issues with them with the stock kernel Slackware 14.2 (64bit) is providing. 3 of them are newer core i* (starting with Haswell) systems, one has also a Nvidia card (Optimus configuration - that I don't use - nouveau loaded by default). Only one system is very old, an Intel Atom N270 with GMA 950 (945G chipset) GPU, that also works flawless with the stock kernel that comes with Slackware 14.2.

@ Twigster
In a recent thread, where the i915 was behaving weird, I suggested to try a newer kernel - the one from Slackware -current:
https://www.linuxquestions.org/quest...ml#post6051300
Then baumei confirmed this approach with his experience:
https://www.linuxquestions.org/quest...ml#post6052071
And finally the OP resolved the issue with the new kernel from -current (newer i915 driver):
https://www.linuxquestions.org/quest...ml#post6052172

You should also give it a try, load the newer kernel from -current on your system.
 
Old 10-30-2019, 12:54 PM   #66
baumei
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Hi "abga",

During the period I was describing, my ASUS 1005HAB had two rather different video related problems.

One of the problems was eliminated by installing the kernel from Slackware-current.

The other problem still exists, and is the problem which is similar to the trouble described by "Twigster" in this thread.

----

It is interesting that all of your computers which use the i915 module do not have the trouble described by "Twigster". I and my family have five computers which use the i915 module. One of these has not yet exhibited the trouble, and it has the newest chipset (G45).

What chipsets are in your four computers?

We may find that the trouble will not occur with some chipsets...

Last edited by baumei; 10-30-2019 at 01:15 PM.
 
Old 10-30-2019, 02:05 PM   #67
abga
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@ baumei
- Atom N270 with GMA 950 (945G chipset)
- Haswell core i3 (Nvidia Optimus - not used/configured)
- Skylake core i7 (need to get rid of it - crappy from many PoVs, still, stable)
- Kaby Lake core i7 (stable, but some issues were already reported https://bugs.freedesktop.org/show_bug.cgi?id=109215 )

Worth mentioning that I'm only doing office work on them and not leaving them in idle/standby mode for longer periods, shutting them down when not needed. Only the Haswell core i3, which is also the main "road warrior", happens to stay idle with X started for longer periods - a working day (8-12 hours).
 
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Old 10-30-2019, 04:37 PM   #68
baumei
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So, I have done some digging. It appears to me the trouble went away with the Intel GMA 4500 (released 2008).

Dell Latitude D620 (Twigster's):
Intel Pentium Core 2 Duo, Intel 945GM Express, Intel GMA 950.
Slackware64 14.2, with multilib and xfce, and kernel 4.4.190.
Uses the i915 module.
Has the trouble described by Twigster.

Lenovo T60:
Intel Pentium Core 2 Duo, Intel 945GM Express, Intel GMA 950.
Slackware 14.2 64bit, with Xfce, and a recent 4.4.x kernel.
Uses the i915 module.
Has trouble similar to that described by Twigster.

ASUS Eee PC 1005HAB:
Intel Atom N270, Intel 945GME chipset, Intel GMA 950.
Slackware 14.2 32bit, with WindowMaker, and kernel 4.19.68-smp.
Uses the i915 module.
Has trouble similar to that described by Twigster.

Acer Aspire One (abga's):
Intel Atom N270, Intel 945GME chipset, Intel GMA 950.
Slackware 14.2 32bit, and most recent 4.4.x kernel from Slackware.
Uses the i915 module.
Video "works flawless".
[Hmm. In my experimentation with my Dell E520 I did find some things I could do which significantly reduced the likelihood of trouble; I wonder whether "abga" hit upon a trouble-free configuration on the first try?]

Lenovo ThinkCentre 9438B1U:
Intel Pentium Core 2 Duo, [maybe: Intel G31 chipset, Intel GMA 3100].
Slackware 14.2 64bit, with Xfce, and a recent 4.4.x kernel.
Uses the i915 module.
Has trouble similar to that described by Twigster.

Dell Dimension E520:
Intel Pentium D, Intel G965 chipset, Intel GMA X3000.
Slackware 14.2 64bit, initially with Xfce, and a recent 4.4.x kernel.
Used the i915 module.
Had trouble similar to that described by Twigster.
[This machine died; before this I switched from Xfce to WindowMaker.]

--- None of the computers below exhibit the trouble. ---

Dell Studio 540S:
Intel Pentium Core 2 quad, Intel G45 chipset, Intel GMA X4500HD
Slackware 14.2 64bit, with WindowMaker, and kernel 4.4.186.
Uses the i915 module.
Has not yet had any video trouble.

Dell Inspiron 13 Series (abga's):
Intel Core i3 (Haswell variety, launched 2013)
(May have come with many different graphic adapters.)
"stock kernel Slackware 14.2 (64bit)"
Uses the i915 module.
"never had any [video] issues"

ASUS computer (abga's):
Intel Core i7 (Skylake variety, launched 2015 or 2016).
(May have come with many different graphic adapters.)
"stock kernel Slackware 14.2 (64bit)"
Uses the i915 module.
"never had any [video] issues"

Dell Inspiron 13 Series (abga's):
Intel Core i7 (Kaby Lake variety, launched 2017).
(May have come with many different graphic adapters.)
"stock kernel Slackware 14.2 (64bit)"
Uses the i915 module.
"never had any [video] issues"

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Edit: to include new information from post #70.

Last edited by baumei; 10-31-2019 at 01:02 AM.
 
Old 10-30-2019, 05:56 PM   #69
baumei
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Hi Twigster,

Back in 2016 I was given an old Dell E520. I installed Slackware 14.2 on it, and put it in service. Then, I ran into the problem. From time to time over the next several months I tried many things, and did quite a bit of reading.

Eventually, I noticed the problem seemed more likely to occur after a change in video mode. Over about a year, my attempts on the Dell E520:
(1) Removed xscreensaver from the system, and configured Xfce to do the duty instead. As I vaguely recollect, this made no difference.
(2) Disabled in Xfce anything to do with screen blanking, screen saver, or power management. As I recollect, this did make some improvement.
(3) Stopped using Xfce, and switched to WindowMaker. The computer still had no screensaver, nor video power management. As I recollect, this was a pretty good setup. According to my recollection, the only way a problem occurred was when I was sometimes while switching back and forth from a console to the running X session --- after I realized the pattern, I stopped using the console.

Then, the E520 ran rather well for about a year. One day it began having memory problems, and I found failed capacitors on the motherboard. So, I replaced this computer with a Dell 540S.

If you have any sort of screensaver or video power management running on your Dell D620, you may want to test disabling/removing all of this. I would be interested to hear of your results. :-)

Last edited by baumei; 10-30-2019 at 05:58 PM.
 
Old 10-30-2019, 06:09 PM   #70
abga
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Quote:
Originally Posted by baumei View Post

very old computer belonging to "abga":
Intel Atom N270, Intel 945G chipset, Intel GMA 950.
Slackware 14.2 32bit, and "stock kernel that comes with Slackware".
Uses the i915 module.
Video "works flawless".
[Hmm. I wonder whether the 945G chipset is enough different from the 945GM Express chipset that there is no problem? In my experimentation with my Dell E520 I did find some things I could do which significantly reduced the likelihood of trouble; I wonder whether "abga" hit upon a trouble-free configuration on the first try?]
It's an Acer Aspire One AOA110 / A110 Netbook, also known as model zg5:
https://www.notebookcheck.net/Short-...k.16014.0.html
https://www.pcworld.idg.com.au/revie.../255307/specs/
- here are some "internals":
https://www.linuxquestions.org/quest...8/#post6050614
- it runs the latest BIOS Acer provided in 2008 and I'm also loading the latest Intel microcode on every boot.
- works fine with the latest 4.4.x kernel Slackware is providing and also (newly) with my own 5.3.1 kernel compilation

The other ones, on which I run the latest BIOS releases, incl. CPU microcode:
- Haswell core i3 - Dell Inspiron 13 Series - bought new in 2014
- Skylake core i7 - Asus - bought SH in 2017 (don't know the exact model, it's in the office now)
- Kaby Lake core i7 - Dell Inspiron 13 Series - bought new in 2018

These are mine, but I also installed Slackware 14.2 on some other recent core i* laptops, mainly Lenovo & Asus, and never experienced (people who owned them never reported) any issues with the i915 driver.

Personally, I believe the (rather uncommon) issue Twigster is reporting is not caused solely by the i915 driver, but it's more of a combination of factors between the acpi implementation (BIOS), linux kernel acpi subsystem and the i915 driver.
 
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Old 10-30-2019, 11:42 PM   #71
enorbet
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Quote:
Originally Posted by baumei View Post
So, I have done some digging. It appears to me the trouble went away with the Intel GMA 4500 (released 2008).


Lenovo T60:
Intel Pentium Core 2 Duo, Intel 945GM Express, Intel GMA 950.
Slackware 14.2 64bit, with Xfce, and a recent 4.4.x kernel.
Uses the i915 module.
Has trouble similar to that described by Twigster.
My T60P with Quadro graphics (not Optimus) has never had a single graphics or freeze problem with 14.2 stock or much more recent custom kernels or with several versions of -Current, all utilizing nVidia's proprietary driver. In fact it has worked absolutely flawlessly.

Last edited by enorbet; 10-30-2019 at 11:43 PM.
 
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Old 10-31-2019, 01:00 AM   #72
baumei
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Quote:
Originally Posted by enorbet View Post
My T60P with Quadro graphics (not Optimus) has never had a single graphics or freeze problem with 14.2 stock or much more recent custom kernels or with several versions of -Current, all utilizing nVidia's proprietary driver. In fact it has worked absolutely flawlessly.
Hi "enorbet",

My T60p performs as you describe for yours, except I have only ever installed the kernels which were released for Slackware 14.2 64bit. My T60p:
Intel Core 2 Duo, Intel 945PM chipset, ATI Mobility FireGL video 'card'
Uses the radeon module.
Slackware 14.2 64bit, with Xfce, and a recent 4.4.x kernel.

So far, I have only ever seen the trouble similar to what Twigster described in computers which have the Intel video 'cards': GMA 950, GMA 3100, and GMA X3000. There may be others, but I know of these. In my limited experience, all computers with these video cards have the trouble, except for "abga's" Acer Aspire One.

I do not know whether the trouble results from the 'card', the i915 module, ACPI, or some conflict amongst some or all, or something else --- and I have spent a considerable amount of time reading and testing, in an effort to figure it out.
 
Old 10-31-2019, 12:34 PM   #73
enorbet
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@ baumel - Agreed, mate. That's why I posted my experience with this older chipset, and I think you have nailed it that it is some interplay between the Intel chips and some kernel modules. This means there are only two worthy conclusions - find a kernel that works or get a different chipset.
 
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Old 10-31-2019, 01:27 PM   #74
abga
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Just adding, this was the state of ACPI at the time OP's system was actual:
https://lwn.net/Articles/291498/
Meanwhile systems manufacturers started to care more about Linux compatibility (BIOS) and the kernel ACPI implementation became more mature, handling these newer systems better.

My Acer Aspire One came with Linux loaded on it (Linpus) and I guess Acer took the effort to make sure their BIOS & the Linux kernel can talk the same ACPI language.
Before switching to the newer core i*, I owned two (laptop&desktop) Core2 Duo (Quad) systems - both with Intel GPU, on which I also ran Slackware (13/14 ?) and I don't remember having any issues with the GPU driver.
The latest Dell Inspiron laptops I purchased came both with Ubuntu preloaded (specifically looked after this, just to make sure they are "Linux compatible") and the Asus SH I tested Slackware on it before buying.
 
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Old 11-01-2019, 04:06 PM   #75
Twigster
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Hello,

@baumei : i run xfce with xscreensaver. I do not have problems with screensaver or sleep mode, but I do have issues going back and forth between console (ctrl alt f1) and graphics (ctrl alt f6) : xfce parts miss on the screen/ the display is corrupted. As I do not use console mode that much I did not care or investigate further yet.

I'm going to first go with the suggestion of using -current kernel, and see if it changes anything.

However, I've never done this, and I'm not sure I read the appropriate documentation. On some of abga's links I ended up finding a mirror with i586 and i686 kernels. Since I use slackware64, I assume those are not correct, are they? (mirror)

I also found this and I'm confused because there's only a "bzImage", but the slackware doc about compiling a kernel mentions both a bzImage and a modules file.

So I would like to know if I can get away without compiling my own.
 
  


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