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Groups > linux.kernel > #1471634 > unrolled thread
| Started by | Meelis Roos <mroos@linux.ee> |
|---|---|
| First post | 2016-08-29 10:20 +0200 |
| Last post | 2016-09-07 17:00 +0200 |
| Articles | 5 — 2 participants |
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i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status Meelis Roos <mroos@linux.ee> - 2016-08-29 10:20 +0200
Re: i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status Jani Nikula <jani.nikula@linux.intel.com> - 2016-09-06 11:20 +0200
Re: i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status Jani Nikula <jani.nikula@linux.intel.com> - 2016-09-06 11:30 +0200
Re: i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status Meelis Roos <mroos@linux.ee> - 2016-09-06 11:30 +0200
Re: i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status Jani Nikula <jani.nikula@linux.intel.com> - 2016-09-07 17:00 +0200
| From | Meelis Roos <mroos@linux.ee> |
|---|---|
| Date | 2016-08-29 10:20 +0200 |
| Subject | i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status |
| Message-ID | <sbpXs-4So-13@gated-at.bofh.it> |
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@linux.ee)
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| From | Jani Nikula <jani.nikula@linux.intel.com> |
|---|---|
| Date | 2016-09-06 11:20 +0200 |
| Subject | Re: i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status |
| Message-ID | <sekHU-8tW-37@gated-at.bofh.it> |
| In reply to | #1471634 |
Lyude, this is due to
commit 87660502f1a4d51fb043e89a45d30c9917787c22
Author: Lyude <cpaul@redhat.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@linux.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 ]---
--
Jani Nikula, Intel Open Source Technology Center
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| From | Jani Nikula <jani.nikula@linux.intel.com> |
|---|---|
| Date | 2016-09-06 11:30 +0200 |
| Subject | Re: i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status |
| Message-ID | <sekRE-5Z-3@gated-at.bofh.it> |
| In reply to | #1477210 |
Meelis, what does 'lspci -nns 2' say for you? BR, Jani. On Tue, 06 Sep 2016, Jani Nikula <jani.nikula@linux.intel.com> wrote: > Lyude, this is due to > > commit 87660502f1a4d51fb043e89a45d30c9917787c22 > Author: Lyude <cpaul@redhat.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@linux.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 ]--- -- Jani Nikula, Intel Open Source Technology Center
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| From | Meelis Roos <mroos@linux.ee> |
|---|---|
| Date | 2016-09-06 11:30 +0200 |
| Message-ID | <sekRF-5Z-15@gated-at.bofh.it> |
| In reply to | #1477213 |
> 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@linux.intel.com> wrote: > > Lyude, this is due to > > > > commit 87660502f1a4d51fb043e89a45d30c9917787c22 > > Author: Lyude <cpaul@redhat.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@linux.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@linux.ee)
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| From | Jani Nikula <jani.nikula@linux.intel.com> |
|---|---|
| Date | 2016-09-07 17:00 +0200 |
| Subject | Re: i915 WARNING: Missing switch case (16) in gen6_check_mailbox_status |
| Message-ID | <seMut-13P-19@gated-at.bofh.it> |
| In reply to | #1471634 |
On Mon, 29 Aug 2016, Meelis Roos <mroos@linux.ee> wrote:
> Tried 4.8-rc4 on my i5-2400 PC, got this warning:
Fixed in drm-intel-fixes by
commit fc2780b66b15092ac68272644a522c1624c48547
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Aug 26 11:59:26 2016 +0100
drm/i915: Add GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE to SNB
BR,
Jani.
>
> [ 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 ]---
--
Jani Nikula, Intel Open Source Technology Center
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