From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Hurenkamp Subject: Re: VT-d on Asus P7P55D-Evo: IOMMU not supported Date: Wed, 31 Mar 2010 20:51:01 +0000 Message-ID: <201003312051.02146.mark.hurenkamp@xs4all.nl> References: <3CFA80FC-7C88-4CDF-B613-FAE24A57031A@xs4all.nl> Mime-Version: 1.0 Content-Type: Text/Plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Cui, Dexuan" Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org > I think the BIOS is broken with respect to VT-d. Please try to update to > the latest BIOS. Yeah, i figured as much. It's on the latest Asus Bios though (1307) which was released only a few weeks ago. But since Xen is dumping VT-d related register info, i thought i'd just post them here. Asus doesn't seem to pay much attention to VT-d issues with their P55 boards, i couldn't find any indication that they are working on it. I tried to submit a tech support question, but it requires a serial number, which i seem to be unable to locate on the board. Regards, Mark. > Thanks, > -- Dexuan >=20 > -----Original Message----- > From: xen-devel-bounces@lists.xensource.com > [mailto:xen-devel-bounces@lists.xensource.com] On Behalf Of Mark Hurenka= mp > Sent: 2010=C4=EA3=D4=C231=C8=D5 4:58 > To: xen-devel@lists.xensource.com > Subject: [Xen-devel] VT-d on Asus P7P55D-Evo: IOMMU not supported >=20 > Hi, >=20 > Having updated my Xen to 4.0-rc9-pre recently, i decided to try > booting without the iommu=3D0 flag. > The system doesn't crash now (which is an improvement), but gracefully > disables VT-d due to an > unsupported IOMMU. >=20 > I've attached the output of xm dmesg, hope it is of use to someone. > Do let me know if there's something more i can do to help in getting > VT-d working on this board. >=20 > Regards, > Mark. >=20 > __ __ _ _ ___ ___ ___ > \ \/ /___ _ __ | || | / _ \ / _ \ _ __ ___ / _ \ _ __ _ __ > ___ > \ // _ \ '_ \ | || |_| | | | | | |__| '__/ __| (_) |__| '_ \| > '__/ _ \ > / \ __/ | | | |__ _| |_| | |_| |__| | | (__ \__, |__| |_) | | >=20 > | __/ >=20 > /_/\_\___|_| |_| |_|(_)___(_)___/ |_| \___| /_/ | .__/|_| > \___| >=20 > |_| >=20 > (XEN) Xen version 4.0.0-rc9-pre (root@karpeer.net) (gcc version 4.4.1 > (Ubuntu 4.4.1-4ubuntu9) ) Mon Mar 29 23:07:18 CEST 2010 > (XEN) Latest ChangeSet: Sat Mar 27 16:01:35 2010 +0000 > 21078:f3db0ae08304 > (XEN) Command line: > (XEN) Video information: > (XEN) VGA is text mode 80x25, font 8x16 > (XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds > (XEN) Disc information: > (XEN) Found 2 MBR signatures > (XEN) Found 2 EDD information structures > (XEN) Xen-e820 RAM map: > (XEN) 0000000000000000 - 000000000009fc00 (usable) > (XEN) 000000000009fc00 - 00000000000a0000 (reserved) > (XEN) 00000000000e4000 - 0000000000100000 (reserved) > (XEN) 0000000000100000 - 000000007f670000 (usable) > (XEN) 000000007f670000 - 000000007f688000 (ACPI data) > (XEN) 000000007f688000 - 000000007f6dc000 (ACPI NVS) > (XEN) 000000007f6dc000 - 000000007f700000 (reserved) > (XEN) 000000007f800000 - 0000000080000000 (reserved) > (XEN) 00000000fee00000 - 00000000fee01000 (reserved) > (XEN) 00000000ffe00000 - 0000000100000000 (reserved) > (XEN) 0000000100000000 - 0000000180000000 (usable) > (XEN) ACPI: RSDP 000FB470, 0024 (r2 ACPIAM) > (XEN) ACPI: XSDT 7F670100, 0064 (r1 022210 XSDT2250 20100222 > MSFT 97) > (XEN) ACPI: FACP 7F670290, 00F4 (r3 022210 FACP2250 20100222 > MSFT 97) > (XEN) ACPI: DSDT 7F6704A0, EF5B (r1 A1290 A1290001 1 INTL > 20060113) > (XEN) ACPI: FACS 7F688000, 0040 > (XEN) ACPI: APIC 7F670390, 00CC (r1 022210 APIC2250 20100222 > MSFT 97) > (XEN) ACPI: MCFG 7F670460, 003C (r1 022210 OEMMCFG 20100222 > MSFT 97) > (XEN) ACPI: OEMB 7F688040, 0072 (r1 022210 OEMB2250 20100222 > MSFT 97) > (XEN) ACPI: HPET 7F67F7A0, 0038 (r1 022210 OEMHPET 20100222 > MSFT 97) > (XEN) ACPI: DMAR 7F6880C0, 0090 (r1 AMI OEMDMAR 1 > MSFT 97) > (XEN) ACPI: ASPT 7F67FA40, 0034 (r6 022210 PerfTune 20100222 > MSFT 97) > (XEN) ACPI: OSFR 7F67FA80, 00B0 (r1 022210 OEMOSFR 20100222 > MSFT 97) > (XEN) System RAM: 3880MB (3973552kB) > (XEN) Domain heap initialised > (XEN) Processor #0 7:14 APIC version 21 > (XEN) Processor #2 7:14 APIC version 21 > (XEN) Processor #4 7:14 APIC version 21 > (XEN) Processor #6 7:14 APIC version 21 > (XEN) IOAPIC[0]: apic_id 7, version 32, address 0xfec00000, GSI 0-23 > (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs > (XEN) Using scheduler: SMP Credit Scheduler (credit) > (XEN) Detected 3715.495 MHz processor. > (XEN) Initing memory sharing. > (XEN) VMX: Supported advanced features: > (XEN) - APIC MMIO access virtualisation > (XEN) - APIC TPR shadow > (XEN) - Extended Page Tables (EPT) > (XEN) - Virtual-Processor Identifiers (VPID) > (XEN) - Virtual NMI > (XEN) - MSR direct-access bitmap > (XEN) HVM: ASIDs enabled. > (XEN) HVM: VMX enabled > (XEN) HVM: Hardware Assisted Paging detected. > (XEN) [VT-D]iommu.c:1086: IOMMU: unsupported > (XEN) ---- print_iommu_regs ---- > (XEN) drhd->address =3D fed90000 > (XEN) VER =3D ffffffff > (XEN) CAP =3D ffffffffffffffff > (XEN) n_fault_reg =3D 100 > (XEN) fault_recording_offset =3D 3ff0 > (XEN) ECAP =3D ffffffffffffffff > (XEN) GCMD =3D ffffffff > (XEN) GSTS =3D ffffffff > (XEN) RTADDR =3D ffffffffffffffff > (XEN) CCMD =3D ffffffffffffffff > (XEN) FSTS =3D ffffffff > (XEN) FECTL =3D ffffffff > (XEN) FEDATA =3D ffffffff > (XEN) FEADDR =3D ffffffff > (XEN) FEUADDR =3D ffffffff > (XEN) I/O virtualisation disabled > (XEN) Total of 4 processors activated. > (XEN) ENABLING IO-APIC IRQs > (XEN) -> Using new ACK method > (XEN) TSC is reliable, synchronization unnecessary > (XEN) Platform timer is 14.318MHz HPET > (XEN) Brought up 4 CPUs > (XEN) *** LOADING DOMAIN 0 *** > (XEN) Xen kernel: 64-bit, lsb, compat32 > (XEN) Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x25e7000 > (XEN) PHYSICAL MEMORY ARRANGEMENT: > (XEN) Dom0 alloc.: 0000000160000000->0000000170000000 (935455 pages > to be allocated) > (XEN) VIRTUAL MEMORY ARRANGEMENT: > (XEN) Loaded kernel: ffffffff81000000->ffffffff825e7000 > (XEN) Init. ramdisk: ffffffff825e7000->ffffffff8dbd4000 > (XEN) Phys-Mach map: ffffffff8dbd4000->ffffffff8e3770f8 > (XEN) Start info: ffffffff8e378000->ffffffff8e3784b4 > (XEN) Page tables: ffffffff8e379000->ffffffff8e3f0000 > (XEN) Boot stack: ffffffff8e3f0000->ffffffff8e3f1000 > (XEN) TOTAL: ffffffff80000000->ffffffff8e800000 > (XEN) ENTRY ADDRESS: ffffffff81986200 > (XEN) Dom0 has maximum 4 VCPUs > (XEN) Scrubbing Free RAM: .done. > (XEN) Xen trace buffers: disabled > (XEN) Std. Loglevel: Errors and warnings > (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) > (XEN) Xen is relinquishing VGA console. > (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch > input to Xen) > (XEN) Freed 160kB init memory. >=20 >=20 >=20 >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel >=20