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Yogurt

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  1. As I wrote, the hard disk activity is low during hibernation, and it takes this long only if I remove the DC plug during hibernation (otherwise it's less than a minute). But I've benchmarked my drive for a sequential write of 35-45 MB/s, read of 250 MB/s. This would mean a total write of 2.5 GB, and a total read of 7.5 GB. This snippet is from a plugged-in hibernation: <scenario start="428100" duration="96392882" suspend="28665000" resumecritical="563837" hiberwrite="23194000" hiberpageswritten="220999" hiberread="20029000" resume="2790000"> Write takes only (?) 23 seconds, read 20 seconds. Intel Rapid Storage Technology Manager also swears that my disks are in SATA 3 Gb/s mode with NCQ enabled. (However, it tells my secondary disk is the system disk, and my system disk is not the system disk.)
  2. which log? I meant the .etl file, viewed by the Windows Performance Analyzer GUI. Of course I've created XML. It starts with <scenario start="2175477" duration="135916882" suspend="15078000" resumecritical="554043" hiberwrite="69250000" hiberpageswritten="336129" hiberread="29422000" resume="1336000"> And the branches with significant duration are <suspendapps start="2175643" duration="2280457" totalChildrenDuration="1065107"> <flushvolumes start="4635516" duration="7942940" /> <querydevices start="4491802" duration="143714"> <suspenddevices start="12578456" duration="4675687"> ... I don't know in which units are these (clearly not milliseconds) but if they were microseconds, then the total duration were around 136 seconds (may be true). And what is interesting, me too have a <device start="16473356" duration="34737" name="IDE\DiskST9500423AS_____________________________0001DEM1\4&160fd31b&0&0.0.0"> <device start="16127668" duration="344569" name="IDE\DiskSATA_SSD________________________________S5FAM011\4&160fd31b&0&0.2.0"> lines. I'm 100% sure I've set my disks to AHCI mode in BIOS. msinfo32 shows that Windows uses iastor.sys 10.1.0.1008, that's Intel® Mobile Express Chipset SATA AHCI Controller.
  3. Andre, What is the point to check the log if it's clearly not showing the truth?... Or where we could find info about the slow hibernation if the Event log is the only place in Windows so far that shows anything that may be valid? (By the way, I liked previous Windows versions much more since they showed hibernation progress. Windows 7 blanks the screen immediately and the small power LED is the only indicator that the laptop is still on.) I don't know what is the slowest part - there is 80%+ disk activity according to the log for the 19 second duration it says, though I remember a much lower activity for the most part. The AHCI power settings are both on Active (plugged/battery) so I guess it's not a HIPM issue. If even you're out of ideas, should we issue a bug report to Microsoft?
  4. Hi MagicAndre, I'm back. Still having problems with hibernation. I've downloaded the KB2541014 you've suggested. It said it was already installed on my machine. However, I've observed two things: 1. The hibernation is somewhat better if I do it on power. (It's "only" Error in the event log instead of the usual Critical.) However, it takes minutes if I pull out the adapter plug while the system hibernates. Why else to hibernate than disconnecting the cables and packing up the laptop? 2. One of these times I've happened to run xbootmgr. Here comes the interesting part: Though the hibernation took minutes (with low but continuous disk activity), the recorded log and WPA says it took only 19 seconds. However, the performance event log says it took 84 seconds - that's much closer to the truth. Now how can we figure out what's the problem if the log's lying?
  5. Hi Andre, First of all, thanks for your superb original post. Basically I have hibernation problems, it often takes minutes - I turn off the lights, I walk to my bed, lay down, etc. and the laptop is still working. Windows Event log shows times of 100..180 or even 300 seconds. I have recorded trace logs of only 45 sec hibernate and 45 sec resume though. Checking the logs I don't see any hogging applications or drivers. What makes me wonder is disk I/O. First of all, there are more I/O reads during a hibernation than writes. Does it make any sense? And on resume, there is a significant amount of writes during reading back the data. The Disk Usage graph says my SSD system drive works at 100% during both hibernation and resume. However, the disk activity LED is far from showing complete utilisation (compared to file copying, for example): it only flashes. Once I managed to get a 15 sec hibernation and 30 sec resume on this same machine, with the same amount of running applications - in this case with no I/O reads during hibernate and almost no writes during resume, and with very low disk utilization during hibernate. Me too have a Dell laptop, Precision M4600, i7-2720QM, 8 GB RAM (usually 2.5 ... 3.5 GB used), mSATA SSD system disk, Windows 7 x64. No external display, but having external USB keyboard and mouse. Do you have any suggestions what else could I check or how could I send you the huge logs?
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