From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: <3816729a-a9d5-4f63-9850-c7247edae37e@c16g2000yqe.googlegroups.com> From: pmarin Date: Sat, 3 Nov 2012 06:43:49 +0100 Message-ID: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=UTF-8 Subject: Re: [9fans] Kernel panic when allocating a huge memory Topicbox-Message-UUID: d078f7de-ead7-11e9-9d60-3106f5b1d025 To be clear, is the swap partition completely useless in Plan9? pmarin. On Fri, Nov 2, 2012 at 9:28 PM, Charles Forsyth wrote: > There's a non-trivial chance that what now goes wrong with paging > (which did once work, even if it isn't great) is a symptom of a bug > that afflicts the virtual memory code itself. (For instance, a page unlocked > during a critical period, a race, and so on.) > > > > On 2 November 2012 19:18, erik quanstrom wrote: >> >> On Fri Nov 2 15:10:00 EDT 2012, skip.tavakkolian@gmail.com wrote: >> > it's by design: >> > http://9fans.net/archive/2006/07/229 >> > >> > -Skip >> > >> > On Fri, Nov 2, 2012 at 10:36 AM, Pavel Klinkovsky >> > wrote: >> > >>> It really seems as a problem with swap. :( >> > >> >> > >> this is well known, and solutions are available >> > >> even if you don't care to use them. >> > > >> > > Oh, does it mean the official Plan 9 distribution contains non-working >> > > swap? :O >> > > It is clear I missed something... >> > > >> > > Sorry for the noise. >> >> i don't think that's quite fair to the current situation. there >> was a swapper, and it's broken. it should either be fixed or >> removed. leaving the thing in in the state it's in (buffalo >> buffalo?) doesn't make any sense, and is as seperate from >> the question of whether to page (to disk) or not as, ahem, vm is from >> paging (to disk). >> >> imo, swap needs to go. >> >> - erik >> >