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Date: Tue, 25 Feb 2014 18:39:46 +0100
From: Borislav Petkov <bp@alien8.de>
To: Stephane Eranian <eranian@google.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, lkml <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Paul Mackerras <paulus@samba.org>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        x86 <x86@kernel.org>, Daniel Vetter <daniel.vetter@ffwll.ch>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        David Airlie <airlied@linux.ie>, intel-gfx@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, Jiri Kosina <jkosina@suse.cz>
Subject: Re: Info: mapping multiple BARs. Your kernel is fine.
Message-ID: <20140225173946.GH24636@pd.tnic>
References: <20140224162400.GE16457@pd.tnic>
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On Tue, Feb 25, 2014 at 05:33:13PM +0100, Stephane Eranian wrote:
> No, it's a T430s. What happens if you boot vanilla tip.git?

linus/master + tip/master -> fails
tip/master		  -> fails

All trees are from today, like an hour ago or so.

Doing what hpa suggested:

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index b262c6124cf3..ec217d2d28dd 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -3871,6 +3871,7 @@ static int __init uncore_pci_init(void)
                pci_uncores = snb_pci_uncores;
                uncore_pci_driver = &snb_uncore_pci_driver;
                break;
+#if 0
        case 58: /* Ivy Bridge */
                ret = snb_pci2phy_map_init(PCI_DEVICE_ID_INTEL_IVB_IMC);
                if (ret)
@@ -3878,6 +3879,7 @@ static int __init uncore_pci_init(void)
                pci_uncores = snb_pci_uncores;
                uncore_pci_driver = &ivb_uncore_pci_driver;
                break;
+#endif
        case 60: /* Haswell */
        case 69: /* Haswell Celeron */
                ret = snb_pci2phy_map_init(PCI_DEVICE_ID_INTEL_HSW_IMC);

for model 58, IVB, works around the issue.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--