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Alright, I have an on-topic question here.
On some forums I am on, there are a number if irrational people that enjoy little more than to belittle Linux. One of them posted what you see below in an attempt to attack it.
I am just curious (a) if this is a widespread problem (which I doubt, since I haven't heard about it) and (b) if it is, what's the ETA for a patch?
Thanks Ian
The quote:
"Here's how this works: if you have a disk with many writes and reads, the operating
system hasto queue these. If you have a big queue, or heavy load, the problem
appears when you have writes trying to happen before reads. The programs needing to
read will be stopped until the queue flushes. Or, if you don�t necessarily have a
big queue, the problem can appear from deadlock resulting from a process called
"kjournald" waiting for a system call when there is a particularly long write
request in the queue. So, all programs depending on the kjournald process begin to
wait for kjournald to commit its writes, which never really happens, and all
programs begin to cascade into an "uninterruptible sleep" state, and begin to stop.
In theory, if you wait, your system can return, but this can be a long wait with
significant downtime. None of us can wait, and the only solution is to reboot."
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What's that file that's attached you ask? Well, its my Gnu Privacy Guard (GnuPG) signature that can be used to authenticate this email. For more information, check out http://www.gnupg.org/(en)/documentation/faqs.html
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