Date: Tue, 30 Mar 2010 22:45:48 +0200 From: Juergen Lock <nox@jelal.kn-bremen.de> To: Richard Henderson <rth@twiddle.net> Cc: qemu-devel@nongnu.org, Juergen Lock <nox@jelal.kn-bremen.de>, Blue Swirl <blauwirbel@gmail.com>, freebsd-emulation@freebsd.org, Andreas Tobler <andreast@fgznet.ch>, Toni <tonygio04@gmail.com> Subject: Re: [Qemu-devel] qemu git head 20100323 on FreeBSD - qemu-devel port update for testing Message-ID: <20100330204548.GA4359@triton8.kn-bremen.de> In-Reply-To: <4BB2600B.90002@twiddle.net> References: <20100325204423.GA46954@triton8.kn-bremen.de> <f43fc5581003301104x77c0e527m871b035a7364bd5b@mail.gmail.com> <20100330191629.GA95521@triton8.kn-bremen.de> <201003302009.o2UK9lAv002282@triton8.kn-bremen.de> <4BB2600B.90002@twiddle.net>
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On Tue, Mar 30, 2010 at 01:33:15PM -0700, Richard Henderson wrote: > On 03/30/2010 01:09 PM, Juergen Lock wrote: > > Oh sorry if that was not clear, things go into swap if I _replace_ the > > endaddr ~0ul (which caused the assert) with the max value the assert > > still tolerates i.e. > > ((abi_ulong)1 << L1_MAP_ADDR_SPACE_BITS) - 1 > > which in this case seems to be 0x7fffffffffff: > > Yes, I got that. And I see from ... > > > #3 0x0000000060012731 in page_set_flags (start=140737488224256, > > end=18446744073709551615, flags=32) > > ... here that the range we're reserving is > > 0x7ffffffe0000 ... 0x7fffffffffff > > which is a mere 128k range. Which ought to allocate no more than > a single leaf page table (and thus N-1 pages for the N-level table). > > Which doesn't answer the question of why you'd wind up running out > of memory. Ah yeah our mails crossed each other :) Yeah I don't know... Cheers, Juergen
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