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Message-Id: <200608062109.k76L9c1T017778@harpo.it.uu.se> Date: Sun, 6 Aug 2006 23:09:38 +0200 (MEST) From: Mikael Pettersson <mikpe@...uu.se> To: davem@...emloft.net, mikpe@...uu.se Cc: linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org Subject: Re: [BUG sparc64] 2.6.16-git6 broke X11 on Ultra5 with ATI Mach64 On Tue, 1 Aug 2006 13:30:08 +0200 (MEST), Mikael Pettersson wrote: >David Miller writes: > > From: Mikael Pettersson <mikpe@...uu.se> > > Date: Fri, 28 Jul 2006 12:35:24 +0200 (MEST) > > > > > FAULT: write(1) old_entry[e00001ffe1970f8a] > > > FAULT: After, entry[e00001ffe1970f8a] > > > FAULT: write(1) old_entry[e00001ffe1970f8a] > > > FAULT: After, entry[e00001ffe1970f8a] > > > > > > The last two lines then repeat semi-infinitely, and they > > > were generated at an extremely high rate. > > > > It looks like the TSB is never updated. > > > > Do you have CONFIG_HUGETLB_PAGE disabled by chance? > > I bet that's part of what helps trigger this bug. > >I'm away from my U5 right now and won't be able to check for >certain until later this week, but I'm pretty sure CONFIG_HUGETLBFS >and CONFIG_HUGETLB_PAGE are disabled in its kernel. Correction, it turns out that all my 2.6 sparc64 kernels have had CONFIG_HUGETLBFS and CONFIG_HUGETLB_PAGE enabled. /Mikael - 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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