[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <alpine.LRH.2.20.1609061357520.19817@math.ut.ee>
Date: Tue, 6 Sep 2016 13:58:04 +0300 (EEST)
From: Meelis Roos <mroos@...ux.ee>
To: Jani Nikula <jani.nikula@...ux.intel.com>
cc: Linux Kernel list <linux-kernel@...r.kernel.org>,
dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
Lyude <cpaul@...hat.com>
Subject: Re: i915 WARNING: Missing switch case (16) in
gen6_check_mailbox_status
> Meelis, what does 'lspci -nns 2' say for you?
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0102] (rev 09)
>
> BR,
> Jani.
>
> On Tue, 06 Sep 2016, Jani Nikula <jani.nikula@...ux.intel.com> wrote:
> > Lyude, this is due to
> >
> > commit 87660502f1a4d51fb043e89a45d30c9917787c22
> > Author: Lyude <cpaul@...hat.com>
> > Date: Wed Aug 17 15:55:53 2016 -0400
> >
> > drm/i915/gen6+: Interpret mailbox error flags
> >
> > and on its way to stable.
> >
> > BR,
> > Jani.
> >
> >
> > On Mon, 29 Aug 2016, Meelis Roos <mroos@...ux.ee> wrote:
> >> Tried 4.8-rc4 on my i5-2400 PC, got this warning:
> >>
> >> [ 14.579557] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
> >> [ 15.847321] ------------[ cut here ]------------
> >> [ 15.847346] WARNING: CPU: 0 PID: 208 at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write+0x109/0x1f0 [i915]
> >> [ 15.847348] Missing switch case (16) in gen6_check_mailbox_status
> >> [ 15.847349] Modules linked in: cpufreq_powersave cpufreq_userspace cpufreq_conservative joydev hid_generic usbhid hid x86_pkg_temp_thermal kvm_intel kvm irqbypass crc32c_intel aesni_intel snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt i915 aes_x86_64 iTCO_vendor_support glue_helper lrw ablk_helper cryptd video i2c_algo_bit drm_kms_helper psmouse pcspkr syscopyarea sysfillrect sysimgblt fb_sys_fops ehci_pci ehci_hcd snd_hda_intel xhci_pci xhci_hcd e1000e snd_hda_codec snd_hwdep usbcore drm snd_hda_core usb_common i2c_i801 ptp pps_core i2c_smbus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer evdev snd tpm_tis lpc_ich parport_pc tpm_tis_core mfd_core parport nuvoton_cir rc_core tpm soundcore floppy w83627ehf hwmon_vid coretemp hwmon eeprom i2c_core loop ip_tables x_tables autofs4
> >> [ 15.847395] CPU: 0 PID: 208 Comm: kworker/0:2 Not tainted 4.8.0-rc4 #213
> >> [ 15.847396] Hardware name: /DQ67OW, BIOS SWQ6710H.86A.0066.2012.1105.1504 11/05/2012
> >> [ 15.847412] Workqueue: events intel_gen6_powersave_work [i915]
> >> [ 15.847414] 0000000000000000 ffffffff812d8198 ffff88023191fd70 0000000000000000
> >> [ 15.847417] ffffffff81056d1e ffff88022ea40000 ffff88023191fdc0 0000000000000000
> >> [ 15.847419] ffff88022ea4a3c8 ffff88022ea487c0 0ffff88023e21ba0 ffffffff81056d8f
> >> [ 15.847422] Call Trace:
> >> [ 15.847427] [<ffffffff812d8198>] ? dump_stack+0x46/0x5e
> >> [ 15.847429] [<ffffffff81056d1e>] ? __warn+0xbe/0xe0
> >> [ 15.847431] [<ffffffff81056d8f>] ? warn_slowpath_fmt+0x4f/0x60
> >> [ 15.847446] [<ffffffffa0311a09>] ? sandybridge_pcode_write+0x109/0x1f0 [i915]
> >> [ 15.847459] [<ffffffffa0313308>] ? intel_gen6_powersave_work+0x2a8/0x1400 [i915]
> >> [ 15.847462] [<ffffffff8106e4db>] ? process_one_work+0x1eb/0x480
> >> [ 15.847465] [<ffffffff8106e7b7>] ? worker_thread+0x47/0x4c0
> >> [ 15.847467] [<ffffffff815649f7>] ? __schedule+0x1d7/0x660
> >> [ 15.847469] [<ffffffff8106e770>] ? process_one_work+0x480/0x480
> >> [ 15.847472] [<ffffffff8107398d>] ? kthread+0xbd/0xe0
> >> [ 15.847475] [<ffffffff8156903f>] ? ret_from_fork+0x1f/0x40
> >> [ 15.847478] [<ffffffff810738d0>] ? kthread_worker_fn+0x160/0x160
> >> [ 15.847487] ---[ end trace ad9e991297d99be1 ]---
>
>
--
Meelis Roos (mroos@...ux.ee)
Powered by blists - more mailing lists