On Wed, 2013-03-06 at 13:51 -0500, Daniel Kahn Gillmor wrote: [...] > Of particular interest between the three boots is: > > * all three boots: [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored This means: the BIOS includes a quirk for Linux, but we ignored it because there's no way to know which versions it was intended to apply to. (This was changed in Linux 2.6.23, so I have no idea why there are new machines like this.) You can try applying the quirk by adding 'acpi_osi=Linux' to the kernel command line. > * just 3.2: > [ 1.676960] [Firmware Bug]: cpu 0, try to use APIC500 (LVT offset 0) > for vector 0x10400, but the register is already in use for vector 0xf9 > on another cpu > [ 1.690776] [Firmware Bug]: cpu 0, IBS interrupt offset 0 not > available (MSRC001103A=0x0000000000000100) > [ 1.700255] Failed to setup IBS, -22 > > * various hda-intel weirdnesses. Does it still crash when starting PulseAudio? I assume it still doesn't actually produce sound output. > please let me know if there are other diagnostics we can run with any of > these kernels, or if you'd like me to try anything different. [...] The standard diagnostic script for ALSA is: http://www.alsa-project.org/alsa-info.sh If sound is still broken on 3.8 then please run this script there. Ben. -- Ben Hutchings The obvious mathematical breakthrough [to break modern encryption] would be development of an easy way to factor large prime numbers. - Bill Gates
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