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Windows 7 Memory Bug Could be a 'Feature'

By - Source: Tom's Hardware US | B 2 comments
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Not quite a showstopper, but Microsoft is paying attention.

No matter how ready for primetime any operating system may be, it's never impervious to bugs. This applies to Windows 7, which is now in the can and released to manufacturing.

Apparently, a critical bug has been found in Windows 7 that could crash the computer when running Windows Chkdsk. According to reports, the crash occurs when chkdsk is ran with the /r switch, which is used to locate and repair bad sectors. When ran, the system reportedly consumes memory to 90 percent or more, eventually crashing the computer.

ZDNet blogger Ed Bott ran some tests and concluded that the bug, isn't completely reproducible or as critical as some make it out to be.

Microsoft Windows president Steven Sinofsky replied to the original report detailing the bug with a response that points out that maximum memory usage is actually a "feature" to speed up the chkdsk process. Here's an excerpt from his reply:

"In this case, we haven’t reproduced the crash and we’re not seeing any crashes with chkdsk on teh stack reported in any measurable number that we could find. We had one beta report on the memory usage, but that was resolved by design since we actually did design it to use more memory. But the design was to use more memory on purpose to speed things up, but never unbounded — we requset the available memory and operate within that leaving at least 50M of physical memory. Our assumption was that using /r means your disk is such that you would prefer to get the repair done and over with rather than keep working.

"While we appreciate the drama of 'critical bug' and then the pickup of 'showstopper' that I’ve seen, we might take a step back and realize that this might not have that defcon level. Bugs that are so severe as to require immediate patches and attention would have to have no workarounds and would generally be such that a large set of people would run across them in the normal course of using their PC."

Sinosky added that the Windows team is running an overnight stress test with 40 machines. Read his full reply here.

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  • 1 Hide
    plasmastorm , 7 August 2009 19:21
    Looks like you forgot to mention the bug you're spell checker has.
  • 0 Hide
    skalagon , 7 August 2009 20:19
    Lol so many people complaining for years about spelling mistakes and still they crop up in every article.