Hi, > From: Rafael J. Wysocki [mailto:rjw@xxxxxxxxxxxxx] > Sent: Tuesday, October 13, 2015 3:19 AM > > On Monday, October 12, 2015 07:48:12 AM Zheng, Lv wrote: > > Hi, Rafael > > Hi, > > > The bug has been fixed. > > The root cause is the previous commit doesn't cover a hidden logic: > > acpi_enable() should rely on the existence of FADT while currently it relies on the number of loaded tables. > > The fix that removes the hidden logic is an ACPICA commit. > > Shall we wait until it is merged via an ACPICA release cycle or make it a bit faster by merging Linuxized version first? > > Please send the Linuxized version of it ASAP, we need it for 4.3. I'll send the fix to this thread. Thanks and best regards -Lv > > Thanks, > Rafael > > > > > From: mroos@xxxxxxxxxx [mailto:mroos@xxxxxxxxxx] On Behalf Of Meelis Roos > > > Sent: Friday, October 02, 2015 2:14 PM > > > > > > > > > 4.2.0 worked fine, 4.3.0-rc3-00042-g3225031 was the next one tested > > > > > > after that and with this kernel, ACPI enabling fails. This is Pentium > > > > > > III, 1 GHz, Intel 815 chipset, DMI tells something about "Packard Bell > > > > > > NEC" as the mainboard type. > > > > > > > > > > > > Full dmesg and config are below. What additional information can I > > > > > > provide besides bisecting (will take time)? > > > > > > > > > > Bisecting done, here is the culprit: > > > > > > > > > > 8ec3f459073e67e5c6d78507dec693064b3040a2 is the first bad commit > > > > > commit 8ec3f459073e67e5c6d78507dec693064b3040a2 > > > > > Author: Lv Zheng <lv.zheng@xxxxxxxxx> > > > > > Date: Tue Aug 25 10:29:01 2015 +0800 > > > > > > > > > > ACPICA: Tables: Fix global table list issues by removing fixed table indexes > > > > > > > > > > ACPICA commit c0b38b4c3982c2336ee92a2a14716107248bd941 > > > > > > > > Thanks a lot for bisecting this! > > > > > > > > It will help if you file a bug entry at bugzilla.kernel.org agaist ACPI for > > > > this issue (please mark it as a regression) and attach the output of acpidump > > > > from the affected system to it. > > > > > > Done, https://bugzilla.kernel.org/show_bug.cgi?id=105351 > > > > > > -- > > > Meelis Roos (mroos@xxxxxxxx) > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ > > -- > I speak only for myself. > Rafael J. Wysocki, Intel Open Source Technology Center. ��.n��������+%������w��{.n�����{�����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f