[ 60.815421] WARNING: CPU: 0 PID: 1937 at drivers/gpu/drm/drm_atomic.c:491 drm_atomic_check_only+0x4bf/0x5a0 [drm]() [ 60.815424] Modules linked in: fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack arc4 b43 ebtable_broute bridge stp llc ebtable_nat ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_raw ip6table_mangle ip6table_security bcma ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_raw iptable_mangle iptable_security mac80211 iTCO_wdt hp_wmi iTCO_vendor_support snd_intel8x0 snd_intel8x0m sparse_keymap ppdev snd_ac97_codec ac97_bus snd_seq cfg80211 snd_seq_device snd_pcm joydev snd_timer snd lpc_ich rfkill soundcore wmi irda parport_pc parport crc_ccitt tpm_infineon acpi_cpufreq tpm_tis tpm nfsd auth_rpcgss nfs_acl lockd binfmt_misc grace sunrpc [ 60.815499] i915 i2c_algo_bit b44 drm_kms_helper mii drm ssb firewire_ohci firewire_core mmc_core ata_generic serio_raw yenta_socket pata_acpi crc_itu_t fjes video [ 60.815521] CPU: 0 PID: 1937 Comm: Xorg Tainted: G W 4.3.5-300.fc23.i686+PAE #1 [ 60.815524] Hardware name: Hewlett-Packard HP Compaq nx6110 (EK219ET#ABZ)/3088, BIOS 68DTD Ver. F.15 08/28/2008 [ 60.815528] c0db2967 3974154a 00000000 e7fc5b68 c07326e0 00000000 e7fc5b98 c046f567 [ 60.815535] c0cc2484 00000000 00000791 f8298b98 000001eb f828a1ef f828a1ef f6ac3800 [ 60.815542] e7dac378 00000000 e7fc5ba8 c046f672 00000009 00000000 e7fc5bf4 f828a1ef [ 60.815549] Call Trace: [ 60.815560] [<c07326e0>] dump_stack+0x41/0x61 [ 60.815568] [<c046f567>] warn_slowpath_common+0x87/0xc0 [ 60.815591] [<f828a1ef>] ? drm_atomic_check_only+0x4bf/0x5a0 [drm] [ 60.815613] [<f828a1ef>] ? drm_atomic_check_only+0x4bf/0x5a0 [drm] [ 60.815618] [<c046f672>] warn_slowpath_null+0x22/0x30 [ 60.815641] [<f828a1ef>] drm_atomic_check_only+0x4bf/0x5a0 [drm] [ 60.815663] [<f82894d9>] ? drm_atomic_set_crtc_for_plane+0x69/0x100 [drm] [ 60.815685] [<f828a3b8>] ? drm_atomic_set_fb_for_plane+0x28/0xa0 [drm] [ 60.815707] [<f828a2e6>] drm_atomic_commit+0x16/0x60 [drm] [ 60.815777] [<f846b697>] intel_get_load_detect_pipe+0x417/0x5f0 [i915] [ 60.815800] [<f8284d70>] ? drm_get_edid+0x30/0x400 [drm] [ 60.815807] [<c057fbd4>] ? shmem_undo_range+0x3c4/0x630 [ 60.815848] [<f847fa93>] ? intel_crt_get_edid+0x63/0x90 [i915] [ 60.815888] [<f847fbe1>] ? intel_crt_detect_ddc+0x51/0xe0 [i915] [ 60.815928] [<f847ff33>] intel_crt_detect+0x2c3/0x970 [i915] [ 60.815934] [<c074358d>] ? list_sort+0x7d/0x1f0 [ 60.815948] [<f8211beb>] drm_helper_probe_single_connector_modes_merge_bits+0x20b/0x480 [drm_kms_helper] [ 60.815954] [<c04d14cc>] ? call_rcu_sched+0x1c/0x20 [ 60.815958] [<c057c347>] ? shmem_destroy_inode+0x17/0x20 [ 60.815964] [<c05e194f>] ? destroy_inode+0x2f/0x60 [ 60.815970] [<c0afa290>] ? mutex_lock+0x10/0x30 [ 60.815979] [<f8211e77>] drm_helper_probe_single_connector_modes+0x17/0x20 [drm_kms_helper] [ 60.816000] [<f827d89d>] drm_mode_getconnector+0x28d/0x320 [drm] [ 60.816026] [<c0afa434>] ? __ww_mutex_lock+0x14/0x90 [ 60.816047] [<f827d610>] ? drm_mode_getcrtc+0x140/0x140 [drm] [ 60.816061] [<f826f103>] drm_ioctl+0x123/0x4d0 [drm] [ 60.816066] [<c047daac>] ? __set_current_blocked+0x2c/0x50 [ 60.816085] [<f827d610>] ? drm_mode_getcrtc+0x140/0x140 [drm] [ 60.816092] [<c05064a7>] ? audit_match_class+0x37/0x50 [ 60.816108] [<f826efe0>] ? drm_getmap+0xc0/0xc0 [drm] [ 60.816112] [<c05da862>] do_vfs_ioctl+0x2e2/0x500 [ 60.816118] [<c04c64a7>] ? kmsg_dump_get_line_nolock+0xc7/0x120 [ 60.816123] [<c06c7904>] ? selinux_file_ioctl+0x54/0x100 [ 60.816128] [<c06bbf6c>] ? security_file_ioctl+0x3c/0x60 [ 60.816132] [<c05daae8>] SyS_ioctl+0x68/0x80 [ 60.816136] [<c04c64a7>] ? kmsg_dump_get_line_nolock+0xc7/0x120 [ 60.816140] [<c04c64a7>] ? kmsg_dump_get_line_nolock+0xc7/0x120 [ 60.816144] [<c0afcad7>] sysenter_do_call+0x12/0x12 [ 60.816148] [<c04c64a7>] ? kmsg_dump_get_line_nolock+0xc7/0x120 [ 60.816152] [<c04c64a7>] ? kmsg_dump_get_line_nolock+0xc7/0x120 [ 60.816155] ---[ end trace 9272260a39ccdc8e ]---
We seem to have completely neglected this bug, sorry. It's unclear which kernel version you were running, but we've ironed out plenty of atomic issues in the past months. I presume fixed, please reopen if the problem persists with latest kernels.
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