[Bug 88404] New: [CHV] oops on resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88404

            Bug ID: 88404
           Summary: [CHV] oops on resume
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tjaalton at ubuntu.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

I get an ooops on resume with -nightly, running on CHV/Braswell platform

[  754.793157] WARNING: CPU: 3 PID: 10759 at
/home/apw/COD/linux/drivers/gpu/drm/i915/intel_pm.c:4434
cherryview_enable_rps+0x432/0x460 [i915]()
[  754.793161] WARN_ON((pctx_addr >> VLV_PCBR_ADDR_SHIFT) == 0)
[  754.793163] Modules linked in:
[  754.793166]  btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs
xfs libcrc32c rpcsec_gss_krb5 nfsv4 ctr ccm joydev snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller
intel_rapl intel_powerclamp coretemp kvm_intel snd_hda_codec kvm
crct10dif_pclmul crc32_pclmul snd_hwdep ghash_clmulni_intel snd_pcm arc4
aesni_intel qmi_wwan option aes_x86_64 lrw cdc_wdm gf128mul usb_wwan
glue_helper ablk_helper usbnet snd_seq_midi usbserial iwlmvm cryptd
snd_seq_midi_event mac80211 snd_rawmidi snd_seq serio_raw iwlwifi
snd_seq_device snd_timer cfg80211 snd lpc_ich hid_lenovo soundcore shpchp
mei_txe mei btusb 8250_fintek i2c_hid dw_dmac dw_dmac_core dwc3 bnep rfcomm
udc_core bluetooth i2c_designware_platform i2c_designware_core rfkill_gpio
iosf_mbi pwm_lpss_platform
[  754.793234]  spi_pxa2xx_platform 8250_dw pwm_lpss soc_button_array nfsd
acpi_pad auth_rpcgss nfs_acl mac_hid parport_pc nfs ppdev lp lockd parport
grace sunrpc fscache nls_iso8859_1 usbhid hid i915 i2c_algo_bit psmouse
drm_kms_helper r8169 drm ahci mii libahci video sdhci_acpi sdhci
[  754.793269] CPU: 3 PID: 10759 Comm: kworker/3:0 Tainted: G        W     
3.19.0-994-generic #201501140205
[  754.793272] Hardware name: Intel Corporation CHERRYVIEW B1 PLATFORM/Braswell
CRB, BIOS BRASWEL1.X64.0041.R01.1410220333 10/22/2014
[  754.793297] Workqueue: events intel_gen6_powersave_work [i915]
[  754.793300]  0000000000001152 ffff880075557ce8 ffffffff817c4ba8
0000000000000007
[  754.793305]  ffff880075557d38 ffff880075557d28 ffffffff81076da7
ffff880075557d18
[  754.793310]  ffff8800756a0000 0000000001080000 ffff8800756a8928
ffff8800756a0000
[  754.793316] Call Trace:
[  754.793326]  [<ffffffff817c4ba8>] dump_stack+0x45/0x57
[  754.793334]  [<ffffffff81076da7>] warn_slowpath_common+0x97/0xe0
[  754.793339]  [<ffffffff81076ea6>] warn_slowpath_fmt+0x46/0x50
[  754.793367]  [<ffffffffc012a122>] cherryview_enable_rps+0x432/0x460 [i915]
[  754.793393]  [<ffffffffc012a645>] intel_gen6_powersave_work+0xe5/0x100
[i915]
[  754.793400]  [<ffffffff8108f7ed>] process_one_work+0x14d/0x460
[  754.793405]  [<ffffffff810901cb>] worker_thread+0x11b/0x3f0
[  754.793410]  [<ffffffff810900b0>] ? create_worker+0x1e0/0x1e0
[  754.793415]  [<ffffffff81095d09>] kthread+0xc9/0xe0
[  754.793421]  [<ffffffff81095c40>] ? flush_kthread_worker+0x90/0x90
[  754.793427]  [<ffffffff817d1dfc>] ret_from_fork+0x7c/0xb0
[  754.793432]  [<ffffffff81095c40>] ? flush_kthread_worker+0x90/0x90

this is followed by a GPU hang, but the mesa I have right now is based on
10.3.2 so could be due to that

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