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Message-ID: <20110423103536.1c7ff2a8@lxorguk.ukuu.org.uk> Date: Sat, 23 Apr 2011 10:35:36 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: Chris Samuel <chris@...muel.org> Cc: "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, x86@...nel.org, linux-kernel@...r.kernel.org Subject: Re: 2.6.38.3 and 2.6.39-rc4 hangs after "Booting the kernel" on quad Pentium Pro system On Sat, 23 Apr 2011 10:16:18 +1000 Chris Samuel <chris@...muel.org> wrote: > Syt mae Alan! ;-) G'day ;) > Ahh, that's a new one on me, and it reveals that the kernel > has gone from 2.6.18 detecting: > > 256MB LOWMEM available. > > to 2.6.39-rc4 detecting: > > 16MB LOWMEM available. > > That would explain an awful lot.. Could be something has disturbed its memory detect or could be a bug in the PPro memory quirk. If you boot with mem= and force the memory size what happens ? > INT 15h = f000:f859 DOS RAM: 638K (0x9f800) INT 12h: 638K (0x9f800) > INT 15 88: 0x3c00 (15360K) INT 15 E801: 0x0000 (0K) 0x0000 (0K) Ah.. do you have a BIOS setting called something like OS/2 compatibility ? > Hope life is still good in Abertawe! This part of the world has changed rather a lot. Not sure you'd recognize half of it. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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