Archive for the ‘Uncategorized’ Category

Dell laptop with Windows 7 won’t enter standby, hibernate, sleep, crashes with BSOD after screen has turned off

April 1, 2015

In case anyone else encounters this particular issue….

In January/early February 2015 my Dell laptop suddenly stopped going into standby. The screen turned off, but the machine didn’t go to sleep for a long time. Usually I forced a shutdown with the power button.

It took quite a while before I got around to debugging this, but a few days ago I did, and it appears that the problem was a very old Intel Wifi driver -specifically for the Centrino 6205 Advanced-N module. The driver being used was dated 21.12.2010 (version I don’t know how this driver came to be used, but when I downloaded and installed the most recent driver package for the 6205 from Intel (version 17.14.0), I still wound up with the same driver.
The solution for me was to download a driver package from last year – version (driver date 22.07.2014). Now sleep works again.

I don’t know how this happened – perhaps an installation failure with the most recent drivers caused Windows to default back to using original drivers for the chipset?

In any event – I debugged this through getting BSOD info in event viewer and dump files, and used WinDbg to open the dump files. I then googled for keywords, notably for the “probably caused by NETwNs64.sys” driver.




And here’s the dump file:

Microsoft (R) Windows Debugger Version 6.3.9600.17237 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Windows\Minidump32715-15132-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

DbsSplayTreeRangeMap::Add: ignoring zero-sized range at ?fffff8a0`04b64c32?
DbsSplayTreeRangeMap::Add: ignoring zero-sized range at ?fffff8a0`0426d022?
DbsSplayTreeRangeMap::Add: ignoring zero-sized range at ?fffff800`00b9a3c0?

************* Symbol Path validation summary **************
Response Time (ms) Location
Deferred SRV*c:\websymbols*
Symbol search path is: SRV*c:\websymbols*
Executable search path is:
Windows 7 Kernel Version 7601 (Service Pack 1) MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.22943.amd64fre.win7sp1_ldr.150126-1511
Machine Name:
Kernel base = 0xfffff800`03056000 PsLoadedModuleList = 0xfffff800`03299890
Debug session time: Thu Mar 26 16:26:17.591 2015 (UTC + 1:00)
System Uptime: 0 days 5:31:23.299
Loading Kernel Symbols
…….Unable to load image Unknown_Module_00000000`00000000, Win32 error 0n2
*** WARNING: Unable to verify timestamp for Unknown_Module_00000000`00000000
Unable to add module at 00000000`00000000

Press ctrl-c (cdb, kd, ntsd) or ctrl-break (windbg) to abort symbol loads that take too long.
Run !sym noisy before .reload to track down problems loading symbols.

Loading User Symbols
Loading unloaded module list
* *
* Bugcheck Analysis *
* *

Use !analyze -v to get detailed debugging information.

BugCheck 9F, {3, fffffa8006b81060, fffff80000b9a3d8, fffffa800e62cbd0}

*** WARNING: Unable to verify timestamp for NETwNs64.sys
*** ERROR: Module load completed but symbols could not be loaded for NETwNs64.sys
Probably caused by : NETwNs64.sys

Followup: MachineOwner

0: kd> !analyze -v
* *
* Bugcheck Analysis *
* *

A driver has failed to complete a power IRP within a specific time.
Arg1: 0000000000000003, A device object has been blocking an Irp for too long a time
Arg2: fffffa8006b81060, Physical Device Object of the stack
Arg3: fffff80000b9a3d8, nt!TRIAGE_9F_POWER on Win7 and higher, otherwise the Functional Device Object of the stack
Arg4: fffffa800e62cbd0, The blocked IRP

Debugging Details:


IRP_ADDRESS: fffffa800e62cbd0

DEVICE_OBJECT: fffffa8008243050

DRIVER_OBJECT: fffffa800864c060




FAULTING_MODULE: fffff880058a4000 NETwNs64






ANALYSIS_VERSION: 6.3.9600.17237 (debuggers(dbg).140716-0327) amd64fre


fffff800`00b9a388 fffff800`0313a8e2 : 00000000`0000009f 00000000`00000003 fffffa80`06b81060 fffff800`00b9a3d8 : nt!KeBugCheckEx
fffff800`00b9a390 fffff800`030d4b3c : fffff800`00b9a4c0 fffff800`00b9a4c0 00000000`00000000 00000000`00000001 : nt! ?? ::FNODOBFM::`string’+0x336b0
fffff800`00b9a430 fffff800`030d49d6 : fffffa80`0e67e588 fffffa80`0e67e588 00000000`00000000 00000000`00000000 : nt!KiProcessTimerDpcTable+0x6c
fffff800`00b9a4a0 fffff800`030d48be : 0000002e`4b5ebc4c fffff800`00b9ab18 00000000`001372c2 fffff800`0324aac8 : nt!KiProcessExpiredTimerList+0xc6
fffff800`00b9aaf0 fffff800`030d46a7 : 0000000c`a17a7fc2 0000000c`001372c2 0000000c`a17a7f52 00000000`000000c2 : nt!KiTimerExpiration+0x1be
fffff800`00b9ab90 fffff800`030c1b8a : fffff800`03246e80 fffff800`03254cc0 00000000`00000002 fffff880`00000000 : nt!KiRetireDpcList+0x277
fffff800`00b9ac40 00000000`00000000 : fffff800`00b9b000 fffff800`00b95000 fffff800`00b9ac00 00000000`00000000 : nt!KiIdleLoop+0x5a






FAILURE_ID_HASH_STRING: km:x64_0x9f_3_power_down_image_netwns64.sys

FAILURE_ID_HASH: {1414b9aa-01f9-e8c4-5871-cad7a5477240}

Followup: MachineOwner


Audio ads in The Economist Audio Edition

December 25, 2013
(Update March 27: It seems the audio ads are removed – well done, The Economist! Subscription continuing.)
(This is an e-mail I’ve sent to The Economist customer service.)
Dear The Economist,
I’ve been a loyal subscriber for about 10 years. For the last few years I have mostly consumed your newspaper through the audio edition. It is an excellent way to get in-depth news coverage when walking or driving, and both the content and the presentation are usually top notch.
In the last couple of editions, you have inserted audio advertisements. This disrupts my concentration and the good mood I’m usually in when listening to The Economist.
Unlike paper ads, audio ads cannot be skipped in a heartbeat. My mobile phone is in my pocket or on the passanger car seat, and when walking or driving it is a huge nuisance to pick it up, unlock it, find the music player and fast-forward past the ad (in the mp3 edition).
This deliberate degradation of your newspaper is annoying enough that I’m probably going to cancel my subscription by February unless you reverse it.
Do you have any plans to evaluate the audio ads and consider removing them?
Best regards,
Are Espelid Wold

PS3 system update 2.60 kills Singstar PS3? [No, it was a scratched disc]

January 25, 2009

Singstar PS3 seems to have stopped working on my PS3 after I applied the 2.60 update – ouch. Haven’t been able to find any info on this so far.

Update: The problem was a scratched disc.

Obama wins South Carolina + citizen journalism

January 27, 2008

I was looking for Obama’s victory speech on YouTube and found this clip, seemingly filmed with a cameraphone. I believe a recording of this type gives a much more accurate picture of what being there really was like compared to what you’ll see on the news. Take a look – interesting and the atmosphere is really something. Be warned -it is only the first third of the speech. You’ll find the rest in the official Obama campaign clip below.

The wonders of modern advertising – Amazon and Gmail

November 4, 2007

I have had this happen to me three times now, and I just have to let it out somewhere.

Had what happen to me?

Well, intelligent advertising! The first two times was Amazon e-mailing me about 1) a new U2 live concert DVD that I didn’t even know existed, and 2) a new Buzz! PS2 game, which I also di not know of. I bought 1) but skipped 2) after reading some reviews – but I was still very happy about being given relevant information.

Now it just happened again – I was shopping at Threadless (a pleasure), and it occurred to me that they probably have some good competitors online – firms I have never bothered to look for. Then the confirmation e-mail from them arrived (I ordered the “Cupid Stupid” shirt), and lo! What advertising am I treated to in Gmail, immediately above the Threadless mail? An ad for Deadblog, an Icelandic firm selling (rather depressing) t-shirts. Again, useful information! Who would have thought this in 1999?!

Opera on the Nintendo DS – and “Hello World!”

February 17, 2006

By way of the Washington Post – the Nintendo DS will get a version of the Opera browser. That’s just brilliant. It means it’s a whole lot easier to justify investing in a DS. Of course, I can surf on my phone and play on my PC, but hey, the DS is pretty cheap – and the DS Lite looks good, too.

Anyway – this is the first post on my new blog. Time will tell if it will serve any real purpose, but I frequently read these types of announcements / read some news / think something that just makes me feel like writing it out. I guess weblogs can be good for that kind of stuff.

Also, I’ve just begun researching for my master’s thesis at the University of Oslo – it’ll probably be on instant messaging and conversation patterns and how most IM clients handle these rather poorly. I might discuss my thoughts on the subject here – from time to time or more frequently. Hopefully it’ll improve the odds of me hooking up with other people working on the same thing (particularly other master students). Do let me know if you’re doing any sort of work in that field.