Date: Tue, 21 Jan 1997 13:12:27 +0200 From: Mark Murray <mark@grondar.za> To: Stephen McKay <syssgm@devetir.qld.gov.au> Cc: Mark Murray <mark@grondar.za>, freebsd-current@freebsd.org Subject: Re: VM bogon? Was: Re: NIS breakage Message-ID: <199701211112.NAA23311@grackle.grondar.za>
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Stephen McKay wrote: > >Hmm. I've just been looking at copyout(). If the target pages are not > >present, then their page table page might not be present either. In this > >case, won't the attempt to check the target pages' writability cause a > >fault? This fault would then be translated to EFAULT (Bad address) by > >copyout_fault. > > In fact, I'm now so keen on my hypothesis that I've written some code. > Unfortunately, I have no -current box to test it on. Thus, if Mr Murry > wishes to risk all, the following patch may help. Live fast, die hard :-) > ** WARNING ** I have done no testing at all on this patch. ** WARNING ** I'll give it a go at home tonight. > Good luck! <gulp> Thanks! M -- Mark Murray PGP key fingerprint = 80 36 6E 40 83 D6 8A 36 This .sig is umop ap!sdn. BC 06 EA 0E 7A F2 CE CE
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