Windows Vista forum: Sudden series of "IN_NONPAGED_AREA" stops (0x50)

by: quinyu July 12, 2013 3:21 AM PDT

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Sudden series of "IN_NONPAGED_AREA" stops (0x50)

by quinyu - 7/12/13 3:21 AM

The problems have started about 3 weeks ago on my Server 2008 (x32) machine (please, don't kill me -- have no separate forum on its own, but very similar to Vista from what I hear.) The account of all things will be a short epic, stay with me.

Got a crash with "NONPAGED_AREA" bluescreen, error code 50. Before that, system was rather stable, no crashes in months, and even before that, only on poorly written/ancient programs. But then this started, apparently randomly. Errors are mostly this (paging fault in nonpaged area), with the occasional IRQ_LESS_THAN_OR_EQUAL. It might or might not have something to do with the CasinoSA app that I have installed around that time (removed since then, problems did not cease). I checked the internet, one place suggested it might be due to a memory error (as it sounds obvious anyhow.) Got down to it, ran 6 passes of MemTest86, then another six on MemTest86+, everything prim and proper. Gave it another round, now per module and per slot (one stick at a time), results perfect. Memory testing never gave a freezing or any other indication of problems, neither did the bootable Win on Hiren's BootDVD.

Another suggestion was that it might be due to (impending) HD failure of sort, so I tested the HDs with whatever I had, no failure was found, but noticed that one of the HDs had a very low transfer rate. I thought it might be the culprit, so got a new HD, moved the entire old one to it, turned old one into a windchime. Was a rather old one at any rate, so switching it out wasn't a bad thing, but the problem remained.

The problems have started about 3 weeks ago on my Server 2008 (x32) machine (please, don't kill me -- have no separate forum on its own, but very similar to Vista from what I hear.) The account of all things will be a short epic, stay with me.

Got a crash with "NONPAGED_AREA" bluescreen, error code 50. Before that, system was rather stable, no crashes in months, and even before that, only on poorly written/ancient programs. But then this started, apparently randomly. Errors are mostly this (paging fault in nonpaged area), with the occasional IRQ_LESS_THAN_OR_EQUAL. It might or might not have something to do with the CasinoSA app that I have installed around that time (removed since then, problems did not cease). I checked the internet, one place suggested it might be due to a memory error (as it sounds obvious anyhow.) Got down to it, ran 6 passes of MemTest86, then another six on MemTest86+, everything prim and proper. Gave it another round, now per module and per slot (one stick at a time), results perfect. Memory testing never gave a freezing or any other indication of problems, neither did the bootable Win on Hiren's BootDVD.

Another suggestion was that it might be due to (impending) HD failure of sort, so I tested the HDs with whatever I had, no failure was found, but noticed that one of the HDs had a very low transfer rate. I thought it might be the culprit, so got a new HD, moved the entire old one to it, turned old one into a windchime. Was a rather old one at any rate, so switching it out wasn't a bad thing, but the problem remained.

Next shot at it: graphics card. My original card was a Gainward 8800GTS (tuned to be a Quadro 4600, otherwise I would have had zero drivers under S2008,) this has never truly caused a problem, but lately I did notice some artifacts not present earlier, I thought the card was getting old, or else, a problem with the unified driver. Fooled around with all the various versions of the unified driver, none of them solved the issue. Swapped in a GTX760, which incidentally seemed to run fine afterwards (but then I got a bluescreen again just recently -- the frequency is lower, true dat.)

All the same, after the swap, new and even more annoying errors started to show instead. I got desktop icons disappearing (just generic icon in their place), refresh sometimes helping, sometimes not. Got error messages such as "Not enough storage available to process this command (ReadFromDisk)" or "Insufficient system resources exist to complete the requested service." These came from a variety of programs, and tended to be fine after some one minute on retry. I could not point to a specific program, these errors seem to be plaguing the entire system currently.

I went to safe mode, downloaded some four or five rootkit/malware scanners on another machine, then ran them. Found a few things, but nothing too extraordinary -- indeed, most of what they have found was in there with me knowing, and were utilities that were neither rootkit nor malware by my standards. The few things that were there were removed/disinfected (attachments to emails that I've never ran, but Live Mail saves them in its cache all the same). Also removed Demon Tools while I was at it.

Still, the problem is not solved. I am contemplating whether I should move to Server 2008 R2 (probably would be a huge burden since there is no x32 version anymore, meaning several days' worth of migration hassle) or indeed to Windows 7 (even less favourable, but seeing no more upgrade paths anyhow...) -- I have no idea as to what the root cause of the problem is, and I would like to fix this and avoid the upgrading/migration altogether. I therefore ask your help.

Thank you in advance

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