Actually, I would be more concerned about the hangcheck timer elapsed error message. Warnings are a sign of possible problems but errors are a sign of definite ones.

Sent from my iPhone

On Jul 25, 2016, at 4:16 AM, Matwey V. Kornilov matwey.kornilov@gmail.com wrote:

Hello,

I am facing the following issue with vanilla 4.1.27 kernel:

[ 188.831173] ------------[ cut here ]------------ [ 188.831211] WARNING: CPU: 0 PID: 1690 at ../drivers/gpu/drm/drm_irq.c:1141 drm_wait_one_vblank+0x175/0x180 [drm]() [ 188.831212] vblank wait timed out on crtc 0 [ 188.831237] Modules linked in: fuse bnep bluetooth nf_log_ipv6 xt_pkttype nf_log_ipv4 nf_log_common xt_LOG xt_limit iscsi_ibft iscsi_boot_sysfs ip6t_REJECT nf_reject_ipv6 xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT nf_reject_ipv4 iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables ftdi_sio usbserial nls_iso8859_1 nls_cp437 vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hda_core snd_hwdep snd_pcm gpio_ich iTCO_wdt iTCO_vendor_support snd_seq tpm_infineon intel_rapl x86_pkg_temp_thermal intel_powerclamp lpc_ich i2c_i801 mei_me mei mfd_core e1000e coretemp [ 188.831255] ptp shpchp pps_core snd_seq_device hp_wmi sparse_keymap snd_timer rfkill tpm_tis serio_raw 8250_fintek kvm_intel kvm ppdev snd crct10dif_pclmul crc32_pclmul soundcore cryptd pcspkr wmi parport_pc parport tpm processor efivarfs hid_generic usbhid crc32c_intel sr_mod cdrom i915 i2c_algo_bit video drm_kms_helper ehci_pci ehci_hcd usbcore usb_common drm button dm_mirror dm_region_hash dm_log dm_mod sg [ 188.831257] CPU: 0 PID: 1690 Comm: Xorg Not tainted 4.1.27-24-default #1 [ 188.831258] Hardware name: Hewlett-Packard HP Compaq 6200 Pro MT PC/1497, BIOS J01 v02.15 11/10/2011 [ 188.831262] 0000000000000286 0000000000000000 ffffffff8165f3d0 000000000e980e98 [ 188.831264] ffff880036957898 ffffffffa009377d ffffffff81068951 0000000000000000 [ 188.831265] ffff880036c63800 0000000000000000 0000000000002ba8 ffff880221e97600 [ 188.831266] Call Trace: [ 188.831279] [<ffffffff810055cc>] dump_trace+0x8c/0x340 [ 188.831283] [<ffffffff8100597c>] show_stack_log_lvl+0xfc/0x1a0 [ 188.831286] [<ffffffff81006ec1>] show_stack+0x21/0x50 [ 188.831291] [<ffffffff8165f3d0>] dump_stack+0x5d/0x79 [ 188.831296] [<ffffffff81068951>] warn_slowpath_common+0x81/0xb0 [ 188.831300] [<ffffffff810689ca>] warn_slowpath_fmt+0x4a/0x50 [ 188.831314] [<ffffffffa00679f5>] drm_wait_one_vblank+0x175/0x180 [drm] [ 188.831325] [<ffffffffa0157798>] drm_plane_helper_commit+0x278/0x2d0 [drm_kms_helper] [ 188.831361] [<ffffffffa020e036>] intel_crtc_set_config+0xb96/0xf90 [i915] [ 188.831381] [<ffffffffa0070468>] drm_mode_set_config_internal+0x68/0x100 [drm] [ 188.831392] [<ffffffffa0160430>] restore_fbdev_mode+0xc0/0xe0 [drm_kms_helper] [ 188.831401] [<ffffffffa01622d0>] drm_fb_helper_restore_fbdev_mode_unlocked+0x20/0x60 [drm_kms_helper] [ 188.831408] [<ffffffffa0162332>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper] [ 188.831436] [<ffffffffa021b326>] intel_fbdev_set_par+0x16/0x60 [i915] [ 188.831441] [<ffffffff813d4c4e>] fb_set_var+0x15e/0x3b0 [ 188.831445] [<ffffffff813cc05b>] fbcon_blank+0x1cb/0x2b0 [ 188.831450] [<ffffffff814494f5>] do_unblank_screen+0xa5/0x1c0 [ 188.831455] [<ffffffff8143fc34>] vt_ioctl+0x554/0x10c0 [ 188.831458] [<ffffffff81433117>] tty_ioctl+0x207/0xc80 [ 188.831462] [<ffffffff811f1fcf>] do_vfs_ioctl+0x2ff/0x510 [ 188.831473] [<ffffffff811f2261>] SyS_ioctl+0x81/0xa0 [ 188.831478] [<ffffffff81665bb2>] system_call_fastpath+0x16/0x75 [ 188.831484] [<00007fa4df3bdbc7>] 0x7fa4df3bdbc7 [ 188.831485] ---[ end trace bce0c4928f9a0749 ]--- [ 192.775297] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer elapsed... blitter ring idle [ 192.875006] ------------[ cut here ]------------ [ 192.875037] WARNING: CPU: 2 PID: 2439 at ../drivers/gpu/drm/drm_irq.c:1141 drm_wait_one_vblank+0x175/0x180 [drm]() [ 192.875039] vblank wait timed out on crtc 0 [ 192.875041] Modules linked in: fuse bnep bluetooth nf_log_ipv6 xt_pkttype nf_log_ipv4 nf_log_common xt_LOG xt_limit iscsi_ibft iscsi_boot_sysfs ip6t_REJECT nf_reject_ipv6 xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT nf_reject_ipv4 iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables ftdi_sio usbserial nls_iso8859_1 nls_cp437 vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hda_core snd_hwdep snd_pcm gpio_ich iTCO_wdt iTCO_vendor_support snd_seq tpm_infineon intel_rapl x86_pkg_temp_thermal intel_powerclamp lpc_ich i2c_i801 mei_me mei mfd_core e1000e coretemp [ 192.875083] ptp shpchp pps_core snd_seq_device hp_wmi sparse_keymap snd_timer rfkill tpm_tis serio_raw 8250_fintek kvm_intel kvm ppdev snd crct10dif_pclmul crc32_pclmul soundcore cryptd pcspkr wmi parport_pc parport tpm processor efivarfs hid_generic usbhid crc32c_intel sr_mod cdrom i915 i2c_algo_bit video drm_kms_helper ehci_pci ehci_hcd usbcore usb_common drm button dm_mirror dm_region_hash dm_log dm_mod sg [ 192.875116] CPU: 2 PID: 2439 Comm: Xorg Tainted: G W 4.1.27-24-default #1 [ 192.875118] Hardware name: Hewlett-Packard HP Compaq 6200 Pro MT PC/1497, BIOS J01 v02.15 11/10/2011 [ 192.875120] 0000000000000286 0000000000000000 ffffffff8165f3d0 0000000000000000 [ 192.875124] ffff8800b66c7af8 ffffffffa009377d ffffffff81068951 0000000000000000 [ 192.875127] ffff880036c63800 0000000000000000 0000000000002c95 ffff880221e97600 [ 192.875131] Call Trace: [ 192.875146] [<ffffffff810055cc>] dump_trace+0x8c/0x340 [ 192.875151] [<ffffffff8100597c>] show_stack_log_lvl+0xfc/0x1a0 [ 192.875155] [<ffffffff81006ec1>] show_stack+0x21/0x50 [ 192.875161] [<ffffffff8165f3d0>] dump_stack+0x5d/0x79 [ 192.875167] [<ffffffff81068951>] warn_slowpath_common+0x81/0xb0 [ 192.875172] [<ffffffff810689ca>] warn_slowpath_fmt+0x4a/0x50 [ 192.875187] [<ffffffffa00679f5>] drm_wait_one_vblank+0x175/0x180 [drm] [ 192.875202] [<ffffffffa0157798>] drm_plane_helper_commit+0x278/0x2d0 [drm_kms_helper] [ 192.875238] [<ffffffffa020e036>] intel_crtc_set_config+0xb96/0xf90 [i915] [ 192.875260] [<ffffffffa0070468>] drm_mode_set_config_internal+0x68/0x100 [drm] [ 192.875280] [<ffffffffa0074499>] drm_mode_setcrtc+0xd9/0x5f0 [drm] [ 192.875297] [<ffffffffa0065908>] drm_ioctl+0x308/0x590 [drm] [ 192.875303] [<ffffffff811f1fcf>] do_vfs_ioctl+0x2ff/0x510 [ 192.875314] [<ffffffff811f2261>] SyS_ioctl+0x81/0xa0 [ 192.875320] [<ffffffff81665bb2>] system_call_fastpath+0x16/0x75 [ 192.875327] [<00007f2b35d0cbc7>] 0x7f2b35d0cbc7 [ 192.875329] ---[ end trace bce0c4928f9a074a ]---

The WARNING seems to be followed by X11 freezing on the next graphical login to DE. Linux 3.12 worked well in the same hardware. Please find additional related information (including dmesg, hwinfo dumps) in SUSE bigzilla: https://bugzilla.suse.com/show_bug.cgi?id=989501

-- With best regards, Matwey V. Kornilov http://blog.matwey.name xmpp://0x2207@jabber.ru _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel