Date: Mon, 23 Mar 2015 02:00:06 -0800 From: "CK" <nibbana@gmx.us> To: <freebsd-questions@freebsd.org> Subject: Re: thrashing + lost files Message-ID: <0MIdDC-1YXnHX2oga-002Ftp@mail.gmx.com>
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> On March 18, 2015 3:56:25 PM HKT, CK <nibbana@gmx.us> wrote: > > > >PROBLEM: > >------- > >This is a very bad problem I have experienced several times of late, and > >come to think of it, has only happened since using GELI encryption > >(recently upgraded from 4.11 to 9.2). The easy answer may be "turn off > >encryption", but this is not an easy problem to test and verify: > > > >The result is the loss of many critical files from a hard drive, as if a > >"rm *" was done in the home directory. This occurs after the thrashing > >when Xwindow is accidently shutdown with Opera open with many javascript > >page tabs, eg, being a memory pig - consuming 1/2 of RAM (256M), which > >after dumping core, writes a large amount of data (crashlog) even after > >Xwindow is down: > > > >pid 1118 (opera), uid 1001: exited on signal 11 (core dumped) > > To my untrained eye, it looks like the encryption clashing > with the memory usage of Opera. Encryption requires > a significant amount of memory, right? so if it doesn't > have enough it might fail in the middle of encrypting. > > This is just my guess, the logic behind it may be completely flawed. There is 512MB of RAM, and 1G of swap - which is hardly ever used. And it is important to remember that one other user reported the same problem.
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