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General discussion (archive)Weird hardware problem(7 posts)(7 posts)
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This is my favourite topic
Posted December 03, 2012
Ok, someone explain this: Sometimes, I've got to switch slots in which my RAM and graphics card are, aaand I have absolutely no idea why. It was 3 times so far for graphics, divided equally since the time I have bought the computer, and RAM gets wiggled about every month or so. Why, you ask? Well... Sometimes, my computer just freezes or shuts down out of nowhere, and switching slots either RAM (freeze) or graphics card (shutdown) are seated in resolves it instantly. Computer can't be turned on until I do that, simply re-seating the component does not do the job. So basically... What the hell?

I's more of an annoyance than an actual issue, but I'd really like to know what's wrong. My graphics card can handle stress tests for prolonged period with no problems, and my RAM passes memtest flawlessly. I just ... Need to reposition them every once in a while for no apparent reason. My detailed system info follows.

System: Host: fenixp-PC Kernel: 3.5.0-17-generic x86_64 (64 bit) Desktop: Gnome Distro: Linux Mint 14 Nadia
Machine: Mobo: ASUSTeK model: P8Z68-V PRO version: Rev 1.xx Bios: American Megatrends version: 0501 date: 05/09/2011
CPU: Quad core Intel Core i5-2300 CPU (-MCP-) cache: 6144 KB flags: (lm nx sse sse2 . sse3 sse4_1 sse4_2 ssse3 vmx)
Clock Speeds: 1: 1600.00 MHz 2: 1600.00 MHz 3: 1600.00 MHz 4: 1600.00 MHz
Graphics: Card: NVIDIA GF114 [GeForce GTX 560 Ti]
X.Org: 1.13.0 drivers: (unloaded: fbdev,vesa,nouveau) FAILED: nvidia Resolution: . . 1280x1024@60.0hz
GLX Renderer: GeForce GTX 560 Ti/PCIe/SSE2 GLX Version: 4.3.0 NVIDIA 310.14
Audio: Card-1: NVIDIA GF114 HDMI Audio Controller driver: snd_hda_intel Sound: ALSA . ver: 1.0.25
Card-2: Intel 6 Series/C200 Series Chipset Family High Definition Audio Controller . driver: snd_hda_intel
Network: Card-1: Intel 82579V Gigabit Network Connection driver: e1000e
IF: eth0 state: down mac: 14:da:e9:22:47:0d
Card-2: Atheros AR9285 Wireless Network Adapter (PCI-Express) driver: ath9k
IF: wlan0 state: up mac: f4:ec:38:a4:ae:37
Drives: HDD Total Size: 1000.2GB (90.2% used) 1: id: /dev/sda model: ST31000524AS . . size: 1000.2GB
Partition: ID: / size: 160G used: 110G (73%) fs: ext4 ID: swap-1 size: 5.00GB used: 0.00GB . . (0%) fs: swap
RAID: No RAID devices detected - /proc/mdstat and md_mod kernel raid module present
Sensors: System Temperatures: cpu: 51.0C mobo: N/A gpu: 54C
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 178 Uptime: 1:19 Memory: 1554.4/3931.6MB Client: Shell inxi: 1.8.4
Don't mind the failed bit at 'nvidia resolution,' it's a known printout error.
Post edited December 03, 2012 by Fenixp
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Posted December 03, 2012
No idea, unless it is an intermittent temp issue, humidity issue, or irq conflict.

If it just occurs out of the blue, without adding/activating a device or anything, irq conflict is probably not it, humidity not likely, but temp still a possibility.

Temps listed above are fine, so unless they are markedly different at time of failure, I really don't know.
Posted December 03, 2012
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Dischord: If it just occurs out of the blue
Yep.
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Dischord: Temps listed above are fine, so unless they are markedly different at time of failure, I really don't know.
Temps were my first guess, but I've never been able to replicate the issue during stress tests - on the peak, both my GPU and CPU run at something between 80 - 90 degrees C, which is hardly ideal, but it should not be an issue as far as I know. These problems also seem to surface both when the computer's idle and when I'm doing something demanding with it.
Post edited December 03, 2012 by Fenixp
Posted December 03, 2012
What PSU are you using?
Posted December 03, 2012
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drennan: What PSU are you using?
600W Corsair ... Thingy.

edit: oh here we go: 'Corsair CX600 V2'
Post edited December 03, 2012 by Fenixp
Posted December 03, 2012
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drennan: What PSU are you using?
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Fenixp: 600W Corsair ... Thingy.
That's not it, then. Mystery boot failures like this can be caused by a failing/overworked power supply, but a 600W Corsair (...thingy) should be more than sufficient for your system.
Posted December 03, 2012
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Dischord: If it just occurs out of the blue
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Fenixp: Yep.
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Dischord: Temps listed above are fine, so unless they are markedly different at time of failure, I really don't know.
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Fenixp: Temps were my first guess, but I've never been able to replicate the issue during stress tests - on the peak, both my GPU and CPU run at something between 80 - 90 degrees C, which is hardly ideal, but it should not be an issue as far as I know. These problems also seem to surface both when the computer's idle and when I'm doing something demanding with it.
You have me stumped, as the slots work [since you alternate back and forth successfully,] and the only variable I can see is in the time it takes to swap and temp lowering.

Intermittent "dirty" power from utility/generator/power supply possible, but "intermittent" is that most damnable word of all when it comes to tracing things down.

Edit to add: Intermittent voltage regulation on the board itself is also possible, but temp reduction is easiest, most accessible variable that you can manipulate to see if it makes a difference in the periodicity of the failure(s.)

If not temp, I'm at a loss; sorry.
Post edited December 03, 2012 by Dischord
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This is my favourite topic
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General discussion (archive)Weird hardware problem(7 posts)(7 posts)
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