Re: [9fans] Kernel panic when allocating a huge memory

[pmarin <pmarin.mail@gmail.com>]

To be clear, is the swap partition completely useless in Plan9?

pmarin.

On Fri, Nov 2, 2012 at 9:28 PM, Charles Forsyth
<charles.forsyth@gmail.com> 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 <quanstro@quanstro.net> 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
>> > <pavel.klinkovsky@gmail.com> 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
>>
>