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Old 10-24-2015, 08:46 AM   #1
ByJingleMen
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Ubuntu GNOME Crashes Under Stress


Often, when I am doing any work which puts a strain on the system, like downloading large videos, or installing large programs, Ubuntu (GNOME) will just randomly crash. This doesn't happen on Windows 10 (I have a dual-boot between the two). Any help?
 
Old 10-24-2015, 11:35 AM   #2
ondoho
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define crash.

an orderly, but unstoppable shutdown?
a freeze of the graphical desktop, where nothing can be done anymore, but the pointer is still movable or not?
something else?

please tell us what distro you have, when you installed it, and the output of the following command:
Code:
lspci -k
 
Old 10-24-2015, 03:11 PM   #3
ByJingleMen
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By crash, I mean, the graphical desktop freezes, and nothing at all can be done, including moving the mouse.
I have distro Ubuntu GNOME 15.10 (Wily Werewolf)
Code:
00:00.0 Host bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: iosf_mbi_pci
00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: i915
00:13.0 SATA controller: Intel Corporation Atom Processor E3800 Series SATA AHCI Controller (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: ahci
00:14.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series USB xHCI (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: xhci_hcd
00:1a.0 Encryption controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: mei_txe
00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 1 (rev 0e)
	Kernel driver in use: pcieport
00:1c.1 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 2 (rev 0e)
	Kernel driver in use: pcieport
00:1c.2 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 3 (rev 0e)
	Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Power Control Unit (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: lpc_ich
00:1f.3 SMBus: Intel Corporation Atom Processor E3800 Series SMBus Controller (rev 0e)
	Subsystem: Toshiba America Info Systems Device f920
01:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
	Subsystem: XAVi Technologies Corp. Device 3002
	Kernel driver in use: wl
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 07)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: r8169
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
	Subsystem: Toshiba America Info Systems Device f920
	Kernel driver in use: rtsx_pci
 
Old 10-24-2015, 03:44 PM   #4
ondoho
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how old is this install, and when did it start freezing?
fwiw, i heard people are having problems with the newest ubuntu.
maybe you should stick to the LTS version.
 
Old 10-24-2015, 07:48 PM   #5
ByJingleMen
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This install is completely fresh: I totally overwrote my old Ubuntu GNOME 15.04, getting rid of all my files and programs in the process, with Ubuntu GNOME 15.10. However, although it seems to be happening more regularly with 15.10, it was freezing sometimes in 15.04 as well.
 
Old 10-25-2015, 03:39 AM   #6
ondoho
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please read carefully.

you have an intel atom z36xx processor, onboard graphics.
i couldn't find any info about that, but i'm under the impression that atom processors are somewhat old.
you have to do some research if linux graphics (the i915 module) is known to have problems with this particualr chip.
generally speaking, you shouldn't expect the world from onboard graphics and i think it's time you told us what sort of "stress" you're talking about.

oh, you said it already:
downloading or installing should not stress the graphics card at all.
it's hard drive input/output and networking activity.
how do you connect to the internet?
if it's wlan, i think you should use 'b43' module instead of the currently running 'wl'.
(it will also need additional firmware. please search your distros help pages on how to do all that)
broadcom chips + wrong drivers have been known to freeze linux systems.

there's probably some way to look at some logfiles, and go at the problem scientifically, but it's difficult if your system freezes completely and only a hard reboot works...
however, next time you get a freeze, try this:
press Ctrl+Alt+F2 on your keyboard.
if that brings you to a text console with a login prompt, log in normally and type the following commands:
Code:
dmesg|tail -n 50
sudo cat /var/log/Xorg.0.log
sudo cat /var/log/messages
sudo cat /var/log/faillog
sudo cat /var/log/syslog
and copy-paste the output here.
you probably might want to redirect the output to a file by appending " > filename" after each command (see here on what that does and how to use it).
this will produce a crapload of output, so please don't just dump it here, but make sure which output belongs to which command and paste them in seperate codeblocks.

you can do the same from a running graphical desktop and in any case also have a look yourself, maybe you can find something. the relevant entries are usually marked "error", "E", "fail" or some such.
 
Old 10-25-2015, 03:54 AM   #7
goumba
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I've been struggling with this as well ever since GNOME 3 was released. This is on various PCs, including my current i5 laptop.

Nothing shows up in the logs.

Fortunately it is not a hard freeze, at least in my case I can switch to a VT and kill gdm, and it restarts. Everything running is lost, but no need to forcibly shut down. If I switch back to the X VT without killing X, it is in the exact same state as I left it (no response, same exact elements displayed on screen).

I notice this is typically at times of high activity, the only thing is GNOME never recovers.

The problem is GNOME, and not X, as no other WM or DE exhibits this behavior.

Last edited by goumba; 10-25-2015 at 03:57 AM.
 
Old 10-26-2015, 07:31 AM   #8
ByJingleMen
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Quote:
Originally Posted by ondoho View Post
if it's wlan, i think you should use 'b43' module instead of the currently running 'wl'.
broadcom chips + wrong drivers have been known to freeze linux systems.
That makes sense.. when I got 15.10, I had to install my wireless driver manually. The driver I used was:
Code:
bcmwl-kernel-source_6.30.223.248+bdcom-0ubuntu7_amd64.deb
bcmwl... I will try and find another one which uses the 'b43' module.

EDIT: My wireless chip is a Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01), which doesn't support b43... What should I do now, because your analysis sounds like it's exactly right.

Last edited by ByJingleMen; 10-26-2015 at 08:05 AM.
 
Old 10-26-2015, 09:33 AM   #9
ByJingleMen
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Quote:
Originally Posted by goumba View Post
Fortunately it is not a hard freeze
Sadly for me, it is a hard freeze: nothing short of turning it off and on again works.

Last edited by ByJingleMen; 10-26-2015 at 12:25 PM.
 
Old 10-26-2015, 11:46 AM   #10
ByJingleMen
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Registered: Sep 2015
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Quote:
Originally Posted by goumba View Post
Fortunately it is not a hard freeze
Sadly for me, it is a hard freeze: nothing short of turning it off and on again works.
 
  


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