[Nouveau] [Bug 91125] New: Nouveau read fault after suspend

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Jun 27 05:15:44 PDT 2015 

https://bugs.freedesktop.org/show_bug.cgi?id=91125

            Bug ID: 91125
           Summary: Nouveau read fault after suspend
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: exi+freedesktop at wthack.de
        QA Contact: xorg-team at lists.x.org

This just happened to me after a suspend/resume cycle.
I cannot reproduce the read fault, it happened right after opening a plasma
context menu but i still wanted it documented:

Kernel:
Linux bugbox 4.0.5-1-ARCH #1 SMP PREEMPT Sat Jun 6 18:37:49 CEST 2015 x86_64
GNU/Linux

Xorg -version:
X.Org X Server 1.17.2
Release Date: 2015-06-16
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.0.4-2-ARCH x86_64 
Current Operating System: Linux bugbox 4.0.5-1-ARCH #1 SMP PREEMPT Sat Jun 6
18:37:49 CEST 2015 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux
root=UUID=073feb51-816c-4a86-8de3-5e9ed3145571 rw
resume=UUID=ba1b46a0-89f5-4ddd-adc0-5982d576f73c libahci.ignore_sss=1
swapaccount=1 quiet
Build Date: 16 June 2015  05:24:27PM
Current version of pixman: 0.32.6
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.

Mesa: mesa 10.6.0-1
Nouveau: xf86-video-nouveau 1.0.11-3

Dmesg error messages:
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] suspending console...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] suspending display...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] evicting buffers...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] waiting for kernel channels
to go idle...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] suspending client object
trees...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] suspending kernel object
tree...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] re-enabling device...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] resuming kernel object
tree...
Jun 27 13:19:35 bugbox kernel: nouveau  [   VBIOS][0000:01:00.0] running init
tables
Jun 27 13:19:35 bugbox kernel: nouveau  [    VOLT][0000:01:00.0] GPU voltage:
875000uv
Jun 27 13:19:35 bugbox kernel: nouveau  [  PTHERM][0000:01:00.0] fan
management: automatic
Jun 27 13:19:35 bugbox kernel: nouveau  [     CLK][0000:01:00.0] --: core 405
MHz memory 648 MHz 
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] resuming client object
trees...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] resuming display...
Jun 27 13:19:35 bugbox kernel: nouveau  [     DRM] resuming console...
Jun 27 13:19:35 bugbox kernel: Modules linked in: xt_multiport ipt_REJECT
nf_reject_ipv4 xt_comment hid_lenovo rfcomm ecb bnep hid_apple nouveau mxm_wmi
ttm drm_kms_helper drm i2c_algo_bit veth tun fuse ctr ccm btrfs xor
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter
snd_hda_codec_hdmi bridge stp llc raid6_pq snd_hda_codec_realtek joydev
mousedev snd_hda_codec_generic psmouse serio_raw nls_iso8859_1 atkbd nls_cp437
iTCO_wdt hid_generic iTCO_vendor_support libps2 vfat fat intel_rapl iosf_mbi
uvcvideo x86_pkg_temp_thermal arc4 videobuf2_vmalloc intel_powerclamp usbhid
videobuf2_memops btusb coretemp videobuf2_core v4l2_common videodev hid
kvm_intel bluetooth media rtl8192ce rtl_pci kvm rtl8192c_common
crct10dif_pclmul
Jun 27 13:19:38 bugbox kernel: nouveau E[plasmashell[11934]] fail set_domain
Jun 27 13:19:38 bugbox kernel: nouveau E[plasmashell[11934]] validating bo list
Jun 27 13:19:38 bugbox kernel: nouveau E[plasmashell[11934]] validate: -22
Jun 27 13:19:38 bugbox kernel: nouveau E[plasmashell[11934]] fail set_domain
Jun 27 13:19:38 bugbox kernel: nouveau E[plasmashell[11934]] validating bo list
Jun 27 13:19:38 bugbox kernel: nouveau E[plasmashell[11934]] validate: -22
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] fail set_domain
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] validating bo list
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] validate: -22
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] fail set_domain
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] validating bo list
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] validate: -22
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] fail set_domain
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] validating bo list
Jun 27 13:31:13 bugbox kernel: nouveau E[plasmashell[11934]] validate: -22
Jun 27 13:31:13 bugbox kernel: nouveau E[   PFIFO][0000:01:00.0] read fault at
0x0000ae1000 [PTE] from GR/GPC0/T1_0 on channel 0x007f74b000
[plasmashell[11934]]
Jun 27 13:31:13 bugbox kernel: nouveau E[   PFIFO][0000:01:00.0] PGR engine
fault on channel 8, recovering...
Jun 27 13:31:13 bugbox kernel: nouveau E[     PGR][0000:01:00.0] TRAP ch 8
[0x007f74b000 plasmashell[11934]]
Jun 27 13:31:13 bugbox kernel: nouveau E[     PGR][0000:01:00.0] GPC0/TPC0/TEX:
0x80000049
Jun 27 13:32:57 bugbox kernel: nouveau E[plasmashell[11934]] failed to idle
channel 0xcccc0000 [plasmashell[11934]]
Jun 27 13:33:12 bugbox kernel: nouveau E[plasmashell[11934]] failed to idle
channel 0xcccc0000 [plasmashell[11934]]



The "validate bo list" errors happen on every suspend/resume, so i can
reproduce them.
The read fault and "failed to idle channel" error happened the first time and
froze my screen.

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