Hello! It used to be ok but in the last releases of kernel packages for Fedora of 3.16.x and 3.17.x I did notice these WARNINGs. I did not try Vanilla Kernel so I beg your pardon and I seek help since I had already posted an intel_wait_for_vblank issue on fedoraforum several weeks ago
[ 101.497093] WARNING: CPU: 1 PID: 839 at drivers/gpu/drm/i915/intel_display.c:902 intel_wait_for_vblank+0x209/0x210 [i915]() [ 101.497095] vblank wait timed out [ 101.497096] Modules linked in: rfcomm ccm ip6t_rpfilter ip6t_REJECT xt_conntrack bnep ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep arc4 snd_seq brcmsmac snd_seq_device snd_pcm coretemp kvm_intel cordic brcmutil b43 mac80211 kvm cfg80211 snd_timer ssb mmc_core hp_wmi iTCO_wdt sparse_keymap iTCO_vendor_support ppdev bcma snd btusb bluetooth serio_raw rfkill lpc_ich shpchp mfd_core soundcore joydev hp_accel lis3lv02d [ 101.497132] input_polldev tpm_tis tpm acpi_cpufreq parport_pc parport wmi binfmt_misc nfsd auth_rpcgss nfs_acl lockd sunrpc i915 i2c_algo_bit drm_kms_helper r8169 drm mii video [ 101.497144] CPU: 1 PID: 839 Comm: X Tainted: G W 3.17.3-200.fc20.x86_64 #1 [ 101.497146] Hardware name: Hewlett-Packard HP 620/1526, BIOS 68PVI Ver. F.20 12/12/2011 [ 101.497148] 0000000000000000 00000000e02b1640 ffff8800afdcfa70 ffffffff81728acc [ 101.497156] ffff8800afdcfab8 ffff8800afdcfaa8 ffffffff81094e6d ffff880036cb0000 [ 101.497159] 0000000000071040 0000000000000920 00000000fffcf898 00000000000000aa [ 101.497162] Call Trace: [ 101.497168] [<ffffffff81728acc>] dump_stack+0x45/0x56 [ 101.497172] [<ffffffff81094e6d>] warn_slowpath_common+0x7d/0xa0 [ 101.497175] [<ffffffff81094eec>] warn_slowpath_fmt+0x5c/0x80 [ 101.497195] [<ffffffffa00e2b6b>] ? gen4_read32+0x4b/0xc0 [i915] [ 101.497214] [<ffffffffa00f31e9>] intel_wait_for_vblank+0x209/0x210 [i915] [ 101.497237] [<ffffffffa012ec05>] intel_tv_detect+0x245/0x5c0 [i915] [ 101.497248] [<ffffffffa008ab03>] drm_helper_probe_single_connector_modes_merge_bits+0x2c3/0x3d0 [drm_kms_helper] [ 101.497255] [<ffffffffa008ac23>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper] [ 101.497272] [<ffffffffa002858f>] drm_mode_getconnector+0x3ff/0x470 [drm] [ 101.497276] [<ffffffff810a01eb>] ? recalc_sigpending+0x1b/0x50 [ 101.497287] [<ffffffffa001ae0c>] drm_ioctl+0x1ec/0x660 [drm] [ 101.497292] [<ffffffff81214be0>] do_vfs_ioctl+0x2e0/0x4a0 [ 101.497295] [<ffffffff81214e21>] SyS_ioctl+0x81/0xa0 [ 101.497299] [<ffffffff81730447>] ? int_check_syscall_exit_work+0x34/0x3d [ 101.497301] [<ffffffff817301a9>] system_call_fastpath+0x16/0x1b [ 101.497303] ---[ end trace 924e4cdb7d4fcb75 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/