On 2015-06-27 15:48, Tobias Frost wrote: > Hallo everyone, > > as promised I bisected the issue and bisecting just finished. > See below for details. > > As the candidate found by git-bisect sounds like an hit, I'm cc'ing > and Jan and Len, as there names are in the commit :) > Jan, Len: The Debian bug is here: > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776697 > > Please let me know if I can provide additional information; note that > I'm an noob in terms of kernel debugging :) > > Next thing I try to compile the latest kernel in the Debian archives > with that commit reverted to see if I can boot a more recent kernel.
Could you also collect /proc/cpuinfo of the affected systems? Thanks, Jan > > -- > tobi > > > $ git bisect good > acead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5 is the first bad commit > commit acead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5 > Author: Jan Kiszka <jan.kis...@siemens.com> > Date: Sat Jan 25 22:24:22 2014 +0100 > > intel_idle: Add CPU model 54 (Atom N2000 series) > > Add CPU ID for Atom N2600/N2800 processors. Datasheets > indicate support for this, detailed information about potential > quirks or limitations are missing, though. So we just reuse the > definition for the previous ATOM series. Tests on N2800 systems > showed that this addition is fine an can reduce power consumption > by about 0.25 W (personally confirmed on Intel DN2800MT). > > Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> > Signed-off-by:Len Brown <len.br...@intel.com> > > :040000 040000 b5cbafd8da6443815d092e39e7c50ef7376323be > 364e99e81ee908b8a1ef0c486e91d54b68f95f1f M drivers > > $git bisect log > git bisect start > # good: [455c6fdbd219161bd09b1165f11699d6d73de11c] Linux 3.14 > git bisect good 455c6fdbd219161bd09b1165f11699d6d73de11c > # bad: [19583ca584d6f574384e17fe7613dfaeadcdc4a6] Linux 3.16 > git bisect bad 19583ca584d6f574384e17fe7613dfaeadcdc4a6 > # bad: [e1134cb6b3b8baa6d5d8dc858b9e71f7a060db4f] Merge tag > 'omap-for-v3.16/dt-part3' of > git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into > next/dt > git bisect bad e1134cb6b3b8baa6d5d8dc858b9e71f7a060db4f > # good: [cd6362befe4cc7bf589a5236d2a780af2d47bcc9] Merge > git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next > git bisect good cd6362befe4cc7bf589a5236d2a780af2d47bcc9 > # good: [b8780c363d808a726a34793caa900923d32b6b80] sched: remove > sleep_on() and friends > git bisect good b8780c363d808a726a34793caa900923d32b6b80 > # bad: [0b747172dce6e0905ab173afbaffebb7a11d89bd] Merge > git://git.infradead.org/users/eparis/audit > git bisect bad 0b747172dce6e0905ab173afbaffebb7a11d89bd > # good: [c39b06951f1dc2e384650288676c5b7dcc0ec92c] DRM: armada: fix > corruption while loading cursors > git bisect good c39b06951f1dc2e384650288676c5b7dcc0ec92c > # good: [042f7b7cbd1e531278a09c449563165ba1f07673] Merge branch 'merge' > of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc > git bisect good 042f7b7cbd1e531278a09c449563165ba1f07673 > # good: [e7990d45bb88c2f0565b5ee4c32eefe81653faff] Merge tag > 'sound-fix-3.15-rc1' of > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound > git bisect good e7990d45bb88c2f0565b5ee4c32eefe81653faff > # bad: [eeb91e4f9d578a6a8cc25a9603d4d62f2ec00db5] Merge tag 'pm > +acpi-3.15-rc1-3' of > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm > git bisect bad eeb91e4f9d578a6a8cc25a9603d4d62f2ec00db5 > # good: [b42e6dc66bf379d7d44d419dda8733c890838751] Merge tag > 'microblaze-3.15-rc1' of git://git.monstr.eu/linux-2.6-microblaze > git bisect good b42e6dc66bf379d7d44d419dda8733c890838751 > # bad: [19ce7f3f31103d7a5b0e93ba9de3ebb4b9d66701] Merge branch > 'acpi-config' > git bisect bad 19ce7f3f31103d7a5b0e93ba9de3ebb4b9d66701 > # bad: [8c73c4d8319f38ec1a1fc630a88cbcb79cb1a8f6] Merge branch > 'pm-cpuidle' > git bisect bad 8c73c4d8319f38ec1a1fc630a88cbcb79cb1a8f6 > # bad: [0138d8f0755b5b28d0acdb0a758bcfcaf441fc58] intel_idle: fine-tune > IVT residency targets > git bisect bad 0138d8f0755b5b28d0acdb0a758bcfcaf441fc58 > # good: [24bfa950f114d5d770e482de73cf673a3b017f65] intel_idle: allow > sparse sub-state numbering, for Bay Trail > git bisect good 24bfa950f114d5d770e482de73cf673a3b017f65 > # bad: [acead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5] intel_idle: Add CPU > model 54 (Atom N2000 series) > git bisect bad acead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5 > # good: [718987d695adc991eb94501209fe5353136c8c16] intel_idle: support > Bay Trail > git bisect good 718987d695adc991eb94501209fe5353136c8c16 > # first bad commit: [acead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5] > intel_idle: Add CPU model 54 (Atom N2000 series) > > (CC'ing also the submitter of the bug) >
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