Date: Wed, 22 Aug 2007 17:46:55 +0300 From: Stefan Lambrev <stefan.lambrev@moneybookers.com> To: Kris Kennaway <kris@obsecurity.org> Cc: Eric Kjeldergaard <kjelderg@gmail.com>, freebsd-current@freebsd.org Subject: Re: kernel panic with memory disks Message-ID: <46CC4C5F.9050704@moneybookers.com> In-Reply-To: <20070822135932.GA9190@rot26.obsecurity.org> References: <46C9B99C.1060403@moneybookers.com> <d9175cad0708201058o62e4441cq6c5a524791d65c4d@mail.gmail.com> <46CA951D.1060303@moneybookers.com> <20070821163729.GA91485@rot26.obsecurity.org> <46CBDE05.2030007@moneybookers.com> <20070822135932.GA9190@rot26.obsecurity.org>
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Hello, Kris Kennaway wrote: > On Wed, Aug 22, 2007 at 09:56:05AM +0300, Stefan Lambrev wrote: > > >>> No, you should use -o swap. Where did it tell you to change the >>> sysctls? >>> >>> Kris >>> >>> >> Nowhere just guessing. >> > > OK, often not a good idea :) > > >> I just needed one big file in the memory to ignore the slowness of hard >> drives, to run few small benchmarks :) >> I did this using tmpfs, but it act just like "-t swap" :) >> > > Yes, when you don't have enough RAM to do the thing you want. > > >> Btw the confusion comes from the manual of mdconfig where it states: >> >> swap Swap space is used to back this memory disk. >> >> and I thought that type swap is always stored on the hard drives. >> >> and md(4) explains it a lot better: >> >> swap Backing store is allocated from buffer memory. Pages get pushed >> out to the swap when the system is under memory pressure, >> other- >> wise they stay in the operating memory. Using swap backing is >> generally preferable over malloc backing. >> > > OK, that could certainly be improved. Can you please submit a PR? > > Kris > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > Ok sent. Should be visible at some point here: http://www.freebsd.org/cgi/query-pr.cgi?pr=115721 -- Best Wishes, Stefan Lambrev ICQ# 24134177
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