Hi,
After I've upgraded to the latest kernel (4.6), I'm getting some
ACPI related warnings during startup like that:
[ 5897.966583] WARNING: CPU: 0 PID: 8240 at
drivers/cpufreq/cpufreq.c:2173 cpufreq_update_policy+0xcf/0xf0
[ 5897.966586] Modules linked in: iptable_nat nf_nat_ipv4 nf_nat
x86_pkg_temp_thermal apple_gmux
[ 5897.966589] CPU: 0 PID: 8240 Comm: kworker/0:1 Not tainted
4.6.0-00442-gcf6ed9a #13
[ 5897.966589] Hardware name: Apple Inc.
MacBookPro8,1/Mac-94245B3640C91C81, BIOS
MBP81.88Z.0047.B27.1201241646 01/24
/12
[ 5897.966593] Workqueue: kacpi_notify acpi_os_execute_deferred
[ 5897.966595] 0000000000000000 ffff8800347b3ba8 ffffffff8153d118
0000000000000000
[ 5897.966596] 0000000000000000 ffff8800347b3be8 ffffffff810a9b06
0000087d810e4eb2
[ 5897.966598] ffff880169384a00 00000000fffffffb ffff880169384b10
0000000000000000
[ 5897.966598] Call Trace:
[ 5897.966602] [<ffffffff8153d118>] dump_stack+0x4d/0x65
[ 5897.966604] [<ffffffff810a9b06>] __warn+0xc6/0xe0
[ 5897.966606] [<ffffffff810a9bd8>] warn_slowpath_null+0x18/0x20
[ 5897.966607] [<ffffffff8189ba3f>] cpufreq_update_policy+0xcf/0xf0
[ 5897.966608] [<ffffffff8189ba60>] ? cpufreq_update_policy+0xf0/0xf0
[ 5897.966611] [<ffffffff815d28a6>] acpi_processor_ppc_has_changed+0x6f/0x77
[ 5897.966614] [<ffffffff815cf96f>] acpi_processor_notify+0x51/0xdc
[ 5897.966616] [<ffffffff815b5468>] acpi_ev_notify_dispatch+0x3f/0x57
[ 5897.966617] [<ffffffff815a0b32>] acpi_os_execute_deferred+0xf/0x1b
[ 5897.966620] [<ffffffff810c0d98>] process_one_work+0x158/0x470
[ 5897.966621] [<ffffffff810c10f3>] worker_thread+0x43/0x4d0
[ 5897.966623] [<ffffffff810c10b0>] ? process_one_work+0x470/0x470
[ 5897.966625] [<ffffffff810c6404>] kthread+0xc4/0xe0
[ 5897.966628] [<ffffffff81b47412>] ret_from_fork+0x22/0x40
[ 5897.966630] [<ffffffff810c6340>] ? kthread_worker_fn+0x160/0x160
[ 5897.966631] ---[ end trace f45cd8737fc1698b ]---
This message appears 6 times at each boot.
Are they normal? Maybe wrong ACPI kernel options configured?
Thanks,
--
Augusto Mecking Caringi
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