於 一,2012-12-03 於 19:31 -0800,H. Peter Anvin 提到: > On 12/03/2012 07:18 PM, joeyli wrote: > > 於 二,2012-09-04 於 11:43 -0700,H. Peter Anvin 提到: > >> On 08/28/2012 08:48 PM, joeyli wrote: > >>> Hi all experts, > >>> > >>> I tried the EFI_STUB on v3.6-rc1 kernel on Intel DQ57TM board with B.11 > >>> BIOS that's the only one sample board on my hand. I found it can't boot > >>> success most time, fail rate is about 80% (run 6 times only 1 time boot > >>> success). > >>> When issue reproduced, kernel emit a panic message like through serial > >>> console like the following: > >>> > >> > >> This is odd... there is plenty of low memory which should have been > >> available for the trampoline. The ACPI errors is another issue, of > >> course... > >> > >> -hpa > >> > > > > I moved all memory modules (have 2 in this machine) to channel A, then I > > didn't reproduce this issue anymore. > > > > Just add this information for note to DQ57TM users. > > > > That will hurt your performance. Yes, but it's better then I face to 80% boot fail. > > You list your BIOS version as "B.11" but that's not the typical > nomenclature for BIOS on this board; the current BIOS version is 0050 > with the full version string being TMIBX10H.86A.0050.2011.1207.1134. > > I'm wondering if you may need a BIOS update. Also, are you booting in > EFI mode or BIOS mode? > > -hpa > > My BIOS was downloaded from: UEFI Driver and Application Tool Resources - Intel http://www.intel.com/content/www/us/en/architecture-and-technology/unified-extensible-firmware-interface/uefi-driver-and-application-tool-resources.html Intel DQ57TM is still the official development board for UEFI, and B.11 is the newest BIOS version. I need update to B.11 for test secure boot stuff: SDV.TM.B11: Intel® DQ57TM UEFI 2.3.1 Development Kit BIOS Release (July 2012) <=== newest version SDV.TM.B10: Intel® DQ57TM UEFI 2.3.1 Development Kit BIOS Release (May 2012) In BIOS menu and dmidecode show up the same version string: Handle 0x0004, DMI type 0, 24 bytes BIOS Information Vendor: Intel Corp. Version: Build SDV.TM.B11 Release (CSM Available) But, as your remind, this issue related to BIOS, I didn't see this problem before update to B.11. Thanks a lot! Joey Lee -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html