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Date: Tue, 15 Apr 2014 00:19:53 +0800 From: Jiang Liu <jiang.liu@...ux.intel.com> To: Davidlohr Bueso <davidlohr@...com>, "Woodhouse, David" <david.woodhouse@...el.com> CC: "joro@...tes.org" <joro@...tes.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "bhe@...hat.com" <bhe@...hat.com>, "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>, "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>, "James.Bottomley@...senpartnership.com" <James.Bottomley@...senpartnership.com>, "bhelgaas@...gle.com" <bhelgaas@...gle.com>, "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>, "scameron@...rdog.cce.hp.com" <scameron@...rdog.cce.hp.com> Subject: Re: hpsa driver bug crack kernel down! Hi Davidlohr, Thanks for providing the DMAR table. According to the DMAR table, one bug in the iommu driver fails to handle this entry: [1D2h 0466 1] Device Scope Entry Type : 01 [1D3h 0467 1] Entry Length : 0A [1D4h 0468 2] Reserved : 0000 [1D6h 0470 1] Enumeration ID : 00 [1D7h 0471 1] PCI Bus Number : 00 [1D8h 0472 2] PCI Path : 1C,04 [1DAh 0474 2] PCI Path : 00,02 And the patch sent out by me should fix this bug. Could you please help to have a try? Thanks! Gerry On 2014/4/14 23:45, Davidlohr Bueso wrote: > Sorry for the delay, I've been having to take turns for this box. > > On Fri, 2014-04-11 at 09:18 +0000, Woodhouse, David wrote: >> On Thu, 2014-04-10 at 09:19 -0700, Davidlohr Bueso wrote: >>> Attaching a dmesg from one of the kernels that boots. It doesn't appear >>> to have much of the related information... is there any debug config >>> option I can enable that might give you more data? >> >> I'd like the contents of /sys/firmware/acpi/tables/DMAR please. > > Attached is the disassembly of the raw output. > >> And >> please could you also apply this patch to both the last-working and >> first-failing kernels and show me the output in both cases? > > So I still cannot get around getting the info for the first failing > kernel, but below is for the last working. Thanks. > > Device 0:03:00.0 on IOMMU at a8000000 > Device 0:03:00.0 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:02:00.0 [0x7f61e000 - 0x7f61ffff] > Device 0:02:00.0 on IOMMU at a8000000 > Device 0:02:00.0 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:02:00.2 [0x7f61e000 - 0x7f61ffff] > Device 0:02:00.2 on IOMMU at a8000000 > Device 0:02:00.2 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:00:1d.0 [0x7f7e7000 - 0x7f7ecfff] > Device 0:00:1d.0 on IOMMU at a8000000 > Device 0:00:1d.0 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:00:1d.1 [0x7f7e7000 - 0x7f7ecfff] > Device 0:00:1d.1 on IOMMU at a8000000 > Device 0:00:1d.1 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:00:1d.2 [0x7f7e7000 - 0x7f7ecfff] > Device 0:00:1d.2 on IOMMU at a8000000 > Device 0:00:1d.2 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:00:1d.3 [0x7f7e7000 - 0x7f7ecfff] > Device 0:00:1d.3 on IOMMU at a8000000 > Device 0:00:1d.3 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:02:00.0 [0x7f7e7000 - 0x7f7ecfff] > Device 0:02:00.0 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:02:00.2 [0x7f7e7000 - 0x7f7ecfff] > Device 0:02:00.2 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:02:00.4 [0x7f7e7000 - 0x7f7ecfff] > Device 0:02:00.4 on IOMMU at a8000000 > Device 0:02:00.4 on IOMMU at a8000000 > IOMMU: Setting identity map for device 0000:00:1d.7 [0x7f7ee000 - 0x7f7effff] > Device 0:00:1d.7 on IOMMU at a8000000 > Device 0:00:1d.7 on IOMMU at a8000000 > IOMMU: Prepare 0-16MiB unity mapping for LPC > IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff] > Device 0:00:1f.0 on IOMMU at a8000000 > Device 0:00:1f.0 on IOMMU at a8000000 > PCI-DMA: Intel(R) Virtualization Technology for Directed I/O > Device 0:00:00.0 on IOMMU at a8000000 > Device 0:00:01.0 on IOMMU at a8000000 > Device 0:00:02.0 on IOMMU at a8000000 > Device 0:00:03.0 on IOMMU at a8000000 > Device 0:00:04.0 on IOMMU at a8000000 > Device 0:00:05.0 on IOMMU at a8000000 > Device 0:00:06.0 on IOMMU at a8000000 > Device 0:00:07.0 on IOMMU at a8000000 > Device 0:00:08.0 on IOMMU at a8000000 > Device 0:00:09.0 on IOMMU at a8000000 > Device 0:00:0a.0 on IOMMU at a8000000 > Device 0:00:14.0 on IOMMU at a8000000 > Device 0:00:1c.0 on IOMMU at a8000000 > Device 0:00:1c.4 on IOMMU at a8000000 > Device 0:00:1d.0 on IOMMU at a8000000 > Device 0:00:1d.1 on IOMMU at a8000000 > Device 0:00:1d.2 on IOMMU at a8000000 > Device 0:00:1d.3 on IOMMU at a8000000 > Device 0:00:1d.7 on IOMMU at a8000000 > Device 0:00:1e.0 on IOMMU at a8000000 > Device 0:00:1f.0 on IOMMU at a8000000 > Device 0:04:00.0 on IOMMU at a8000000 > Device 0:04:00.1 on IOMMU at a8000000 > Device 0:04:00.2 on IOMMU at a8000000 > Device 0:04:00.3 on IOMMU at a8000000 > Device 0:03:00.0 on IOMMU at a8000000 > Device 0:02:00.0 on IOMMU at a8000000 > Device 0:02:00.2 on IOMMU at a8000000 > Device 0:02:00.4 on IOMMU at a8000000 > Device 0:01:03.0 on IOMMU at a8000000 > Device 0:50:00.0 on IOMMU at ac000000 > Device 0:50:01.0 on IOMMU at ac000000 > Device 0:50:02.0 on IOMMU at ac000000 > Device 0:50:03.0 on IOMMU at ac000000 > Device 0:50:04.0 on IOMMU at ac000000 > Device 0:50:05.0 on IOMMU at ac000000 > Device 0:50:06.0 on IOMMU at ac000000 > Device 0:50:07.0 on IOMMU at ac000000 > Device 0:50:08.0 on IOMMU at ac000000 > Device 0:50:09.0 on IOMMU at ac000000 > Device 0:50:0a.0 on IOMMU at ac000000 > Device 0:50:14.0 on IOMMU at a8000000 > Device 0:a0:00.0 on IOMMU at b0000000 > Device 0:a0:01.0 on IOMMU at b0000000 > Device 0:a0:02.0 on IOMMU at b0000000 > Device 0:a0:03.0 on IOMMU at b0000000 > Device 0:a0:04.0 on IOMMU at b0000000 > Device 0:a0:05.0 on IOMMU at b0000000 > Device 0:a0:06.0 on IOMMU at b0000000 > Device 0:a0:07.0 on IOMMU at b0000000 > Device 0:a0:08.0 on IOMMU at b0000000 > Device 0:a0:09.0 on IOMMU at b0000000 > Device 0:a0:0a.0 on IOMMU at b0000000 > Device 0:a0:14.0 on IOMMU at a8000000 > Device 0:7c:00.0 on IOMMU at a8000000 > Device 0:7c:08.0 on IOMMU at a8000000 > Device 0:82:00.0 on IOMMU at a8000000 > Device 0:82:08.0 on IOMMU at a8000000 > -- 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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