[Bug 90841] [gen3 4.0] mmap(wc) batch incoherence

Wed Feb 3 16:47:13 UTC 2016

https://bugs.freedesktop.org/show_bug.cgi?id=90841

Laurent Bonnaud <L.Bonnaud at laposte.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |L.Bonnaud at laposte.net

--- Comment #26 from Laurent Bonnaud <L.Bonnaud at laposte.net> ---
Hi,

I see that this bug title is marked "gen3" AKA IvyBridge.  I just got a similar
error on a SandyBridge processor (i7-2640M).

Feb  3 15:02:48 vougeot kernel: [96115.293750] [drm] stuck on render ring
Feb  3 15:02:48 vougeot kernel: [96115.294058] [drm] GPU HANG: ecode
6:0:0xf288fff9, in Xorg [22791], reason: Ring hung, action: reset
Feb  3 15:02:48 vougeot kernel: [96115.294098] ------------[ cut here
]------------
Feb  3 15:02:48 vougeot kernel: [96115.294122] WARNING: CPU: 1 PID: 22791 at
/home/kernel/COD/linux/drivers/gpu/drm/i915/intel_display.c:3332
intel_crtc_wait_for_pending_flips+0x1a0/0x240 [i915]()
Feb  3 15:02:48 vougeot kernel: [96115.294123] WARN_ON(ret)
Feb  3 15:02:48 vougeot kernel: [96115.294124] Modules linked in: nls_iso8859_1
uas usb_storage xt_CHECKSUM iptable_mangle xt_tcpudp rfcomm xt_addrtype
xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_fil
ter ip_tables x_tables nf_nat nf_conntrack bridge stp llc dm_thin_pool
dm_persistent_data dm_bio_prison dm_bufio libcrc32c binfmt_misc bnep
snd_hda_codec_hdmi jitterentropy_rng drbg ansi_cprng snd_hda_codec_idt dm_crypt
snd_hda_codec_generic dell_wmi sparse_keymap dell_r
btn snd_hda_intel dell_laptop snd_hda_codec snd_hda_core snd_hwdep snd_pcm
snd_seq_midi snd_seq_midi_event dcdbas dell_smm_hwmon snd_rawmidi intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm crct10dif_pclmul snd_seq
btusb mac80211 btrtl crc32_pclmul btbcm 
btintel bluetooth iwlwifi snd_seq_device aesni_intel snd_timer aes_x86_64 snd
lrw gf128mul input_leds glue_helper cfg80211 ablk_helper cryptd joydev
serio_raw mei_me shpchp mei soundcore lpc_ich 8250_fintek dell_smo8800 mac_hid
kvm_intel kvm irqbypass tpm_rng parport_pc 
ppdev lp parport autofs4 btrfs xor raid6_pq hid_generic usbhid hid i915
i2c_algo_bit firewire_ohci psmouse drm_kms_helper syscopyarea sysfillrect
sysimgblt firewire_core fb_sys_fops e1000e crc_itu_t ahci drm sdhci_pci libahci
sdhci ptp pps_core wmi fjes video
Feb  3 15:02:48 vougeot kernel: [96115.294178] CPU: 1 PID: 22791 Comm: Xorg Not
tainted 4.4.1-040401-generic #201601311534
Feb  3 15:02:48 vougeot kernel: [96115.294179] Hardware name: Dell Inc.
Latitude E6520/0NVF5K, BIOS A19 11/14/2013
Feb  3 15:02:48 vougeot kernel: [96115.294180]  0000000000000000
00000000593fc8c3 ffff8801dfc3baa0 ffffffff813c8e14
Feb  3 15:02:48 vougeot kernel: [96115.294182]  ffff8801dfc3bae8
ffff8801dfc3bad8 ffffffff8107dba2 ffff8800359d0000
Feb  3 15:02:48 vougeot kernel: [96115.294183]  0000000000000001
ffff88021f56d000 ffff880035867060 0000000000000001
Feb  3 15:02:48 vougeot kernel: [96115.294185] Call Trace:
Feb  3 15:02:48 vougeot kernel: [96115.294190]  [<ffffffff813c8e14>]
dump_stack+0x44/0x60
Feb  3 15:02:48 vougeot kernel: [96115.294192]  [<ffffffff8107dba2>]
warn_slowpath_common+0x82/0xc0
Feb  3 15:02:48 vougeot kernel: [96115.294194]  [<ffffffff8107dc3c>]
warn_slowpath_fmt+0x5c/0x80
Feb  3 15:02:48 vougeot kernel: [96115.294206]  [<ffffffffc022257d>] ?
i915_gem_object_wait_rendering+0x6d/0xc0 [i915]
Feb  3 15:02:48 vougeot kernel: [96115.294223]  [<ffffffffc0262360>]
intel_crtc_wait_for_pending_flips+0x1a0/0x240 [i915]
Feb  3 15:02:48 vougeot kernel: [96115.294239]  [<ffffffffc0263611>]
intel_pre_plane_update+0x111/0x140 [i915]
Feb  3 15:02:48 vougeot kernel: [96115.294254]  [<ffffffffc0263de2>]
intel_atomic_commit+0x352/0x6f0 [i915]
Feb  3 15:02:48 vougeot kernel: [96115.294271]  [<ffffffffc008651e>] ?
drm_atomic_check_only+0x18e/0x590 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294283]  [<ffffffffc0086957>]
drm_atomic_commit+0x37/0x60 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294292]  [<ffffffffc0183cb9>]
drm_atomic_helper_disable_plane+0xa9/0xf0 [drm_kms_helper]
Feb  3 15:02:48 vougeot kernel: [96115.294302]  [<ffffffffc008509e>] ?
drm_modeset_lock+0x4e/0xd0 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294310]  [<ffffffffc0075f39>]
__setplane_internal+0x169/0x250 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294319]  [<ffffffffc00851b0>] ?
drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294329]  [<ffffffffc0079c36>]
drm_mode_setplane+0x136/0x1b0 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294336]  [<ffffffffc006b722>]
drm_ioctl+0x152/0x540 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294347]  [<ffffffffc0079b00>] ?
drm_plane_check_pixel_format+0x50/0x50 [drm]
Feb  3 15:02:48 vougeot kernel: [96115.294354]  [<ffffffff812196e8>]
do_vfs_ioctl+0x298/0x480
Feb  3 15:02:48 vougeot kernel: [96115.294358]  [<ffffffff81208871>] ?
__sb_end_write+0x21/0x30
Feb  3 15:02:48 vougeot kernel: [96115.294361]  [<ffffffff812064dd>] ?
vfs_write+0x15d/0x1a0
Feb  3 15:02:48 vougeot kernel: [96115.294365]  [<ffffffff81219949>]
SyS_ioctl+0x79/0x90
Feb  3 15:02:48 vougeot kernel: [96115.294368]  [<ffffffff817fdbb6>]
entry_SYSCALL_64_fastpath+0x16/0x75
Feb  3 15:02:48 vougeot kernel: [96115.294370] ---[ end trace 74eb8c71821ad9ca
]---

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