Heya! This is v3.10-rc3 with a revert of b5096566f6e1ee2b88324772f020ae9bc0cfa9a0 (drm/nv50/fifo: prevent races between clients updating playlists) since said commit hangs resume. Anyhow on a Fedora built type .config the machine during suspend throws this warning: [ 819.641298] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored [ 819.695579] PM: Saving platform NVS memory [ 819.701191] Disabling non-boot CPUs ... [ 819.705218] smpboot: CPU 1 is now offline [ 819.705652] CPU 1 offline: Remove Rx thread [ 819.705972] ------------[ cut here ]------------ [ 819.705984] WARNING: at /home/konrad/linux/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() [ 819.706040] Modules linked in: bnep bluetooth fuse ebtable_nat xt_CHECKSUM ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 be2iscsi iptable_nat iscsi_boot_sysfs nf_nat_ipv4 bnx2i nf_nat cnic iptable_mangle uio bridge cxgb4i cxgb4 nf_conntrack_ipv4 stp llc nf_defrag_ipv4 cxgb3i xt_conntrack cxgb3 nf_conntrack mdio libcxgbi ib_iser rdma_cm ebtable_filter ib_addr iw_cm ebtables ib_cm ib_sa ip6table_filter ib_mad ip6_tables ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm e1000e snd_page_alloc crc32c_intel snd_timer edac_core eeepc_wmi ghash_clmulni_intel asus_wmi snd sparse_keymap rfkill k10temp fam15h_power [ 819.706063] microcode serio_raw edac_mce_amd joydev pcspkr sp5100_tco vhost_net soundcore i2c_piix4 r8169 ptp tun pps_core mii macvtap macvlan kvm_amd kvm uinput nouveau video mxm_wmi i2c_algo_bit drm_kms_helper ttm usb_storage drm hid_logitech_dj i2c_core wmi [ 819.706067] CPU: 0 PID: 127 Comm: kworker/1:1 Not tainted 3.10.0-rc3+ #4 [ 819.706068] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1208 04/18/2012 [ 819.706073] Workqueue: events od_dbs_timer [ 819.706080] 0000000000000009 ffff88042ff6dbf8 ffffffff8167edc5 ffff88042ff6dc38 [ 819.706084] ffffffff8105d380 0000000000000339 0000000000000001 ffff8804385e0000 [ 819.706088] 000000010008056a 0000000000000001 ffff88044ec50b08 ffff88042ff6dc48 [ 819.706089] Call Trace: [ 819.706097] [] dump_stack+0x19/0x1b [ 819.706102] [] warn_slowpath_common+0x70/0xa0 [ 819.706107] [] warn_slowpath_null+0x1a/0x20 [ 819.706112] [] native_smp_send_reschedule+0x5b/0x60 [ 819.706116] [] wake_up_nohz_cpu+0x2d/0xa0 [ 819.706120] [] add_timer_on+0x96/0x100 [ 819.706125] [] __queue_delayed_work+0x16e/0x1a0 [ 819.706129] [] ? try_to_grab_pending+0xc9/0x180 [ 819.706133] [] mod_delayed_work_on+0x5a/0x80 [ 819.706138] [] gov_queue_work+0x4d/0xc0 [ 819.706141] [] od_dbs_timer+0xc9/0x170 [ 819.706146] [] process_one_work+0x17a/0x400 [ 819.706150] [] worker_thread+0x11c/0x370 [ 819.706154] [] ? manage_workers.isra.21+0x2b0/0x2b0 [ 819.706158] [] kthread+0xc0/0xd0 [ 819.706162] [] ? kthread_create_on_node+0x120/0x120 [ 819.706166] [] ret_from_fork+0x7c/0xb0 [ 819.706170] [] ? kthread_create_on_node+0x120/0x120 [ 819.706173] ---[ end trace a5556efe295a5e63 ]--- [ 819.706729] Broke affinity for irq 81 [ 819.709704] smpboot: CPU 2 is now offline [ 819.710351] CPU 2 offline: Remove Rx thread [ 819.710995] ------------[ cut here ]------------ [ 819.711000] WARNING: at /home/konrad/linux/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() [ 819.711042] Modules linked in: bnep bluetooth fuse ebtable_nat xt_CHECKSUM ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 be2iscsi iptable_nat iscsi_boot_sysfs nf_nat_ipv4 bnx2i nf_nat cnic iptable_mangle uio bridge cxgb4i cxgb4 nf_conntrack_ipv4 stp llc nf_defrag_ipv4 cxgb3i xt_conntrack cxgb3 nf_conntrack mdio libcxgbi ib_iser rdma_cm ebtable_filter ib_addr iw_cm ebtables ib_cm ib_sa ip6table_filter ib_mad ip6_tables ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm e1000e snd_page_alloc crc32c_intel snd_timer edac_core eeepc_wmi ghash_clmulni_intel asus_wmi snd sparse_keymap rfkill k10temp fam15h_power [ 819.711060] microcode serio_raw edac_mce_amd joydev pcspkr sp5100_tco vhost_net soundcore i2c_piix4 r8169 ptp tun pps_core mii macvtap macvlan kvm_amd kvm uinput nouveau video mxm_wmi i2c_algo_bit drm_kms_helper ttm usb_storage drm hid_logitech_dj i2c_core wmi [ 819.711063] CPU: 0 PID: 112 Comm: kworker/2:1 Tainted: G W 3.10.0-rc3+ #4 [ 819.711064] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1208 04/18/2012 [ 819.711067] Workqueue: events od_dbs_timer [ 819.711073] 0000000000000009 ffff88042fd61bf8 ffffffff8167edc5 ffff88042fd61c38 [ 819.711077] ffffffff8105d380 0000000000000339 0000000000000002 ffff880438604000 [ 819.711081] 0000000100080574 0000000000000002 ffff88044ec90b08 ffff88042fd61c48 [ 819.711082] Call Trace: [ 819.711086] [] dump_stack+0x19/0x1b [ 819.711091] [] warn_slowpath_common+0x70/0xa0 [ 819.711095] [] warn_slowpath_null+0x1a/0x20 [ 819.711099] [] native_smp_send_reschedule+0x5b/0x60 [ 819.711103] [] wake_up_nohz_cpu+0x2d/0xa0 [ 819.711107] [] add_timer_on+0x96/0x100 [ 819.711111] [] __queue_delayed_work+0x16e/0x1a0 [ 819.711115] [] ? try_to_grab_pending+0xc9/0x180 [ 819.711119] [] mod_delayed_work_on+0x5a/0x80 [ 819.711123] [] gov_queue_work+0x4d/0xc0 [ 819.711126] [] od_dbs_timer+0xc9/0x170 [ 819.711131] [] process_one_work+0x17a/0x400 [ 819.711135] [] worker_thread+0x11c/0x370 [ 819.711139] [] ? manage_workers.isra.21+0x2b0/0x2b0 [ 819.711142] [] kthread+0xc0/0xd0 [ 819.711146] [] ? kthread_create_on_node+0x120/0x120 [ 819.711150] [] ret_from_fork+0x7c/0xb0 [ 819.711153] [] ? kthread_create_on_node+0x120/0x120 [ 819.711156] ---[ end trace a5556efe295a5e64 ]--- [ 819.712428] smpboot: CPU 3 is now offline [ 819.712967] CPU 3 offline: Remove Rx thread [ 819.716711] smpboot: CPU 4 is now offline [ 819.717210] CPU 4 offline: Remove Rx thread [ 819.717924] Broke affinity for irq 18 [ 819.717940] Broke affinity for irq 22 [ 819.717946] Broke affinity for irq 23 [ 819.719055] ------------[ cut here ]------------ [ 819.719060] WARNING: at /home/konrad/linux/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() [ 819.719098] ------------[ cut here ]------------ [ 819.719113] WARNING: at /home/konrad/linux/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() [ 819.719117] Modules linked in: bnep bluetooth fuse ebtable_nat xt_CHECKSUM ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 be2iscsi iptable_nat iscsi_boot_sysfs nf_nat_ipv4 bnx2i nf_nat cnic iptable_mangle uio bridge cxgb4i cxgb4 nf_conntrack_ipv4 stp llc nf_defrag_ipv4 cxgb3i xt_conntrack cxgb3 nf_conntrack mdio libcxgbi ib_iser rdma_cm ebtable_filter ib_addr iw_cm ebtables ib_cm ib_sa ip6table_filter ib_mad ip6_tables ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec [ 819.719119] Modules linked in: [ 819.719121] snd_hwdep [ 819.719123] bnep [ 819.719124] snd_seq [ 819.719126] bluetooth [ 819.719128] snd_seq_device [ 819.719129] fuse [ 819.719131] snd_pcm [ 819.719133] ebtable_nat [ 819.719135] e1000e [ 819.719136] xt_CHECKSUM [ 819.719139] smpboot: CPU 5 is now offline [ 819.719141] snd_page_alloc [ 819.719142] ipt_MASQUERADE [ 819.719144] crc32c_intel [ 819.719146] nf_conntrack_netbios_ns [ 819.719147] snd_timer [ 819.719149] nf_conntrack_broadcast [ 819.719151] edac_core [ 819.719152] ip6table_mangle [ 819.719154] eeepc_wmi [ 819.719156] ip6t_REJECT [ 819.719157] ghash_clmulni_intel [ 819.719159] nf_conntrack_ipv6 [ 819.719160] asus_wmi [ 819.719162] nf_defrag_ipv6 [ 819.719164] snd [ 819.719165] be2iscsi [ 819.719167] sparse_keymap [ 819.719168] iptable_nat [ 819.719170] rfkill [ 819.719171] iscsi_boot_sysfs [ 819.719173] k10temp [ 819.719175] nf_nat_ipv4 [ 819.719176] fam15h_power [ 819.719178] bnx2i [ 819.719179] microcode [ 819.719181] nf_nat [ 819.719182] serio_raw [ 819.719184] cnic [ 819.719186] edac_mce_amd [ 819.719187] iptable_mangle [ 819.719189] joydev [ 819.719190] uio [ 819.719192] pcspkr [ 819.719194] bridge [ 819.719195] sp5100_tco [ 819.719197] cxgb4i [ 819.719198] vhost_net [ 819.719200] cxgb4 [ 819.719202] soundcore [ 819.719203] nf_conntrack_ipv4 [ 819.719205] i2c_piix4 [ 819.719207] stp [ 819.719209] r8169 [ 819.719211] llc [ 819.719213] ptp [ 819.719215] nf_defrag_ipv4 [ 819.719217] tun [ 819.719219] cxgb3i [ 819.719221] pps_core [ 819.719222] xt_conntrack [ 819.719224] mii [ 819.719226] cxgb3 [ 819.719228] macvtap [ 819.719230] nf_conntrack [ 819.719231] macvlan [ 819.719233] mdio [ 819.719235] kvm_amd [ 819.719237] libcxgbi [ 819.719239] kvm [ 819.719241] ib_iser [ 819.719243] uinput [ 819.719245] rdma_cm [ 819.719246] nouveau [ 819.719248] ebtable_filter [ 819.719250] video [ 819.719252] ib_addr [ 819.719253] mxm_wmi [ 819.719255] iw_cm [ 819.719256] i2c_algo_bit [ 819.719259] ebtables [ 819.719260] drm_kms_helper [ 819.719262] ib_cm [ 819.719264] ttm [ 819.719266] ib_sa [ 819.719267] usb_storage [ 819.719270] ip6table_filter [ 819.719271] drm [ 819.719273] ib_mad [ 819.719274] hid_logitech_dj [ 819.719276] ip6_tables [ 819.719278] i2c_core [ 819.719279] ib_core [ 819.719281] wmi [ 819.719287] CPU: 0 PID: 2321 Comm: kworker/4:0 Tainted: G W 3.10.0-rc3+ #4 [ 819.719289] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1208 04/18/2012 [ 819.719293] iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi [ 819.719295] Workqueue: events od_dbs_timer [ 819.719300] snd_hda_codec_hdmi snd_hda_codec_realtek [ 819.719302] 0000000000000009 [ 819.719304] snd_hda_intel [ 819.719306] ffff8803fb159bf8 [ 819.719308] snd_hda_codec [ 819.719310] ffffffff8167edc5 [ 819.719313] snd_hwdep [ 819.719314] ffff8803fb159c38 [ 819.719318] snd_seq snd_seq_device [ 819.719320] ffffffff8105d380 [ 819.719321] snd_pcm [ 819.719323] 0000000000000339 [ 819.719325] e1000e [ 819.719326] 0000000000000004 [ 819.719329] snd_page_alloc [ 819.719330] ffff880438678000 [ 819.719334] crc32c_intel snd_timer [ 819.719336] 000000010008057e [ 819.719338] edac_core [ 819.719339] 0000000000000004 [ 819.719342] eeepc_wmi [ 819.719344] ffff88044ed10b08 [ 819.719345] ghash_clmulni_intel [ 819.719347] ffff8803fb159c48 [ 819.719351] Call Trace: [ 819.719353] asus_wmi snd sparse_keymap [ 819.719359] [] dump_stack+0x19/0x1b [ 819.719361] rfkill k10temp [ 819.719368] [] warn_slowpath_common+0x70/0xa0 [ 819.719370] fam15h_power microcode [ 819.719376] [] warn_slowpath_null+0x1a/0x20 [ 819.719378] serio_raw edac_mce_amd [ 819.719384] [] native_smp_send_reschedule+0x5b/0x60 [ 819.719386] joydev pcspkr [ 819.719390] [] wake_up_nohz_cpu+0x2d/0xa0 [ 819.719393] sp5100_tco vhost_net [ 819.719397] [] add_timer_on+0x96/0x100 [ 819.719400] soundcore i2c_piix4 [ 819.719405] [] __queue_delayed_work+0x16e/0x1a0 [ 819.719407] r8169 ptp [ 819.719412] [] ? try_to_grab_pending+0xc9/0x180 [ 819.719415] tun pps_core [ 819.719419] [] mod_delayed_work_on+0x5a/0x80 [ 819.719422] mii macvtap [ 819.719426] [] gov_queue_work+0x4d/0xc0 [ 819.719429] macvlan kvm_amd [ 819.719433] [] od_dbs_timer+0xc9/0x170 [ 819.719435] kvm uinput [ 819.719440] [] process_one_work+0x17a/0x400 [ 819.719443] nouveau video mxm_wmi [ 819.719448] [] worker_thread+0x11c/0x370 [ 819.719450] i2c_algo_bit drm_kms_helper [ 819.719455] [] ? manage_workers.isra.21+0x2b0/0x2b0 [ 819.719457] ttm usb_storage [ 819.719461] [] kthread+0xc0/0xd0 [ 819.719464] drm hid_logitech_dj i2c_core [ 819.719469] [] ? kthread_create_on_node+0x120/0x120 [ 819.719470] wmi [ 819.719474] [] ret_from_fork+0x7c/0xb0 [ 819.719479] CPU: 6 PID: 136 Comm: kworker/3:1 Tainted: G W 3.10.0-rc3+ #4 [ 819.719483] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1208 04/18/2012 [ 819.719486] [] ? kthread_create_on_node+0x120/0x120 [ 819.719493] ---[ end trace a5556efe295a5e65 ]--- [ 819.719494] Workqueue: events od_dbs_timer [ 819.719502] 0000000000000009 ffff88042f823bf8 ffffffff8167edc5 ffff88042f823c38 [ 819.719507] ffffffff8105d380 0000000000000339 0000000000000003 ffff880438650000 [ 819.719511] 000000010008057e 0000000000000003 ffff88044ecd0b08 ffff88042f823c48 [ 819.719513] Call Trace: [ 819.719521] [] dump_stack+0x19/0x1b [ 819.719528] [] warn_slowpath_common+0x70/0xa0 [ 819.719534] [] warn_slowpath_null+0x1a/0x20 [ 819.719539] [] native_smp_send_reschedule+0x5b/0x60 [ 819.719544] [] wake_up_nohz_cpu+0x2d/0xa0 [ 819.719549] [] add_timer_on+0x96/0x100 [ 819.719554] [] __queue_delayed_work+0x16e/0x1a0 [ 819.719559] [] ? try_to_grab_pending+0xc9/0x180 [ 819.719563] [] mod_delayed_work_on+0x5a/0x80 [ 819.719569] [] gov_queue_work+0x4d/0xc0 [ 819.719573] [] od_dbs_timer+0xc9/0x170 [ 819.719578] [] process_one_work+0x17a/0x400 [ 819.719583] [] worker_thread+0x11c/0x370 [ 819.719588] [] ? manage_workers.isra.21+0x2b0/0x2b0 [ 819.719593] [] kthread+0xc0/0xd0 [ 819.719598] [] ? kthread_create_on_node+0x120/0x120 [ 819.719603] [] ret_from_fork+0x7c/0xb0 [ 819.719607] [] ? kthread_create_on_node+0x120/0x120 [ 819.719611] ---[ end trace a5556efe295a5e66 ]--- [ 819.719680] CPU 5 offline: Remove Rx thread [ 819.719940] ------------[ cut here ]------------ [ 819.719945] WARNING: at /home/konrad/linux/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() [ 819.719988] Modules linked in: bnep bluetooth fuse ebtable_nat xt_CHECKSUM ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 be2iscsi iptable_nat iscsi_boot_sysfs nf_nat_ipv4 bnx2i nf_nat cnic iptable_mangle uio bridge cxgb4i cxgb4 nf_conntrack_ipv4 stp llc nf_defrag_ipv4 cxgb3i xt_conntrack cxgb3 nf_conntrack mdio libcxgbi ib_iser rdma_cm ebtable_filter ib_addr iw_cm ebtables ib_cm ib_sa ip6table_filter ib_mad ip6_tables ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm e1000e snd_page_alloc crc32c_intel snd_timer edac_core eeepc_wmi ghash_clmulni_intel asus_wmi snd sparse_keymap rfkill k10temp fam15h_power [ 819.720005] microcode serio_raw edac_mce_amd joydev pcspkr sp5100_tco vhost_net soundcore i2c_piix4 r8169 ptp tun pps_core mii macvtap macvlan kvm_amd kvm uinput nouveau video mxm_wmi i2c_algo_bit drm_kms_helper ttm usb_storage drm hid_logitech_dj i2c_core wmi [ 819.720008] CPU: 0 PID: 126 Comm: kworker/5:1 Tainted: G W 3.10.0-rc3+ #4 [ 819.720009] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1208 04/18/2012 [ 819.720012] Workqueue: events od_dbs_timer [ 819.720017] 0000000000000009 ffff88042ff11bf8 ffffffff8167edc5 ffff88042ff11c38 [ 819.720021] ffffffff8105d380 0000000000000339 0000000000000005 ffff88043869c000 [ 819.720025] 000000010008057e 0000000000000005 ffff88044ed50b08 ffff88042ff11c48 [ 819.720026] Call Trace: [ 819.720030] [] dump_stack+0x19/0x1b [ 819.720034] [] warn_slowpath_common+0x70/0xa0 [ 819.720039] [] warn_slowpath_null+0x1a/0x20 [ 819.720043] [] native_smp_send_reschedule+0x5b/0x60 [ 819.720047] [] wake_up_nohz_cpu+0x2d/0xa0 [ 819.720050] [] add_timer_on+0x96/0x100 [ 819.720055] [] __queue_delayed_work+0x16e/0x1a0 [ 819.720058] [] ? try_to_grab_pending+0xc9/0x180 [ 819.720062] [] mod_delayed_work_on+0x5a/0x80 [ 819.720066] [] gov_queue_work+0x4d/0xc0 [ 819.720070] [] od_dbs_timer+0xc9/0x170 [ 819.720074] [] process_one_work+0x17a/0x400 [ 819.720078] [] worker_thread+0x11c/0x370 [ 819.720082] [] ? manage_workers.isra.21+0x2b0/0x2b0 [ 819.720085] [] kthread+0xc0/0xd0 [ 819.720090] [] ? kthread_create_on_node+0x120/0x120 [ 819.720093] [] ret_from_fork+0x7c/0xb0 [ 819.720097] [] ? kthread_create_on_node+0x120/0x120 [ 819.720099] ---[ end trace a5556efe295a5e67 ]--- [ 819.723294] smpboot: CPU 6 is now offline [ 819.723792] CPU 6 offline: Remove Rx thread [ 819.724289] Broke affinity for irq 19 [ 819.725405] smpboot: CPU 7 is now offline [ 819.725840] CPU 7 offline: Remove Rx thread [ 819.729465] ACPI: Low-level resume complete [ 819.729494] PM: Restoring platform NVS memory [ 819.820651] microcode: CPU0: new patch_level=0x06000629 [ 819.820717] ------------[ cut here ]------------ [ 819.820723] WARNING: at /home/konrad/linux/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() [ 819.820750] Modules linked in: bnep bluetooth fuse ebtable_nat xt_CHECKSUM ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 be2iscsi iptable_nat iscsi_boot_sysfs nf_nat_ipv4 bnx2i nf_nat cnic iptable_mangle uio bridge cxgb4i cxgb4 nf_conntrack_ipv4 stp llc nf_defrag_ipv4 cxgb3i xt_conntrack cxgb3 nf_conntrack mdio libcxgbi ib_iser rdma_cm ebtable_filter ib_addr iw_cm ebtables ib_cm ib_sa ip6table_filter ib_mad ip6_tables ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm e1000e snd_page_alloc crc32c_intel snd_timer edac_core eeepc_wmi ghash_clmulni_intel asus_wmi snd sparse_keymap rfkill k10temp fam15h_power [ 819.820761] microcode serio_raw edac_mce_amd joydev pcspkr sp5100_tco vhost_net soundcore i2c_piix4 r8169 ptp tun pps_core mii macvtap macvlan kvm_amd kvm uinput nouveau video mxm_wmi i2c_algo_bit drm_kms_helper ttm usb_storage drm hid_logitech_dj i2c_core wmi [ 819.820763] CPU: 0 PID: 257 Comm: kworker/6:2 Tainted: G W 3.10.0-rc3+ #4 [ 819.820764] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1208 04/18/2012 [ 819.820766] Workqueue: events od_dbs_timer [ 819.820769] 0000000000000009 ffff88042f33bbf8 ffffffff8167edc5 ffff88042f33bc38 [ 819.820771] ffffffff8105d380 0000000000000339 0000000000000006 ffff8804386dc000 [ 819.820773] 0000000100080594 0000000000000006 ffff88044ed90b08 ffff88042f33bc48 [ 819.820773] Call Trace: [ 819.820777] [] dump_stack+0x19/0x1b [ 819.820779] [] warn_slowpath_common+0x70/0xa0 [ 819.820781] [] warn_slowpath_null+0x1a/0x20 [ 819.820783] [] native_smp_send_reschedule+0x5b/0x60 [ 819.820785] [] wake_up_nohz_cpu+0x2d/0xa0 [ 819.820787] [] add_timer_on+0x96/0x100 [ 819.820789] [] __queue_delayed_work+0x16e/0x1a0 [ 819.820791] [] ? try_to_grab_pending+0xc9/0x180 [ 819.820792] [] mod_delayed_work_on+0x5a/0x80 [ 819.820794] [] gov_queue_work+0x4d/0xc0 [ 819.820796] [] od_dbs_timer+0xc9/0x170 [ 819.820797] [] process_one_work+0x17a/0x400 [ 819.820799] [] worker_thread+0x11c/0x370 [ 819.820801] [] ? manage_workers.isra.21+0x2b0/0x2b0 [ 819.820802] [] kthread+0xc0/0xd0 [ 819.820804] [] ? kthread_create_on_node+0x120/0x120 [ 819.820806] [] ret_from_fork+0x7c/0xb0 [ 819.820807] [] ? kthread_create_on_node+0x120/0x120 [ 819.820808] ---[ end trace a5556efe295a5e68 ]--- [ 819.820811] ------------[ cut here ]------------ [ 819.820813] WARNING: at /home/konrad/linux/arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x5b/0x60() [ 819.820830] Modules linked in: bnep bluetooth fuse ebtable_nat xt_CHECKSUM ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 be2iscsi iptable_nat iscsi_boot_sysfs nf_nat_ipv4 bnx2i nf_nat cnic iptable_mangle uio bridge cxgb4i cxgb4 nf_conntrack_ipv4 stp llc nf_defrag_ipv4 cxgb3i xt_conntrack cxgb3 nf_conntrack mdio libcxgbi ib_iser rdma_cm ebtable_filter ib_addr iw_cm ebtables ib_cm ib_sa ip6table_filter ib_mad ip6_tables ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm e1000e snd_page_alloc crc32c_intel snd_timer edac_core eeepc_wmi ghash_clmulni_intel asus_wmi snd sparse_keymap rfkill k10temp fam15h_power [ 819.820837] microcode serio_raw edac_mce_amd joydev pcspkr sp5100_tco vhost_net soundcore i2c_piix4 r8169 ptp tun pps_core mii macvtap macvlan kvm_amd kvm uinput nouveau video mxm_wmi i2c_algo_bit drm_kms_helper ttm usb_storage drm hid_logitech_dj i2c_core wmi [ 819.820838] CPU: 0 PID: 60 Comm: kworker/7:0 Tainted: G W 3.10.0-rc3+ #4 [ 819.820838] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1208 04/18/2012 [ 819.820839] Workqueue: events od_dbs_timer [ 819.820841] 0000000000000009 ffff88043870dbf8 ffffffff8167edc5 ffff88043870dc38 [ 819.820843] ffffffff8105d380 0000000000000339 0000000000000007 ffff880438720000 [ 819.820844] 0000000100080594 0000000000000007 ffff88044edd0b08 ffff88043870dc48 [ 819.820845] Call Trace: [ 819.820846] [] dump_stack+0x19/0x1b [ 819.820848] [] warn_slowpath_common+0x70/0xa0 [ 819.820850] [] warn_slowpath_null+0x1a/0x20 [ 819.820852] [] native_smp_send_reschedule+0x5b/0x60 [ 819.820853] [] wake_up_nohz_cpu+0x2d/0xa0 [ 819.820854] [] add_timer_on+0x96/0x100 [ 819.820856] [] __queue_delayed_work+0x16e/0x1a0 [ 819.820858] [] ? try_to_grab_pending+0xc9/0x180 [ 819.820859] [] mod_delayed_work_on+0x5a/0x80 [ 819.820861] [] gov_queue_work+0x4d/0xc0 [ 819.820862] [] od_dbs_timer+0xc9/0x170 [ 819.820864] [] process_one_work+0x17a/0x400 [ 819.820865] [] worker_thread+0x11c/0x370 [ 819.820867] [] ? manage_workers.isra.21+0x2b0/0x2b0 [ 819.820868] [] kthread+0xc0/0xd0 [ 819.820870] [] ? kthread_create_on_node+0x120/0x120 [ 819.820871] [] ret_from_fork+0x7c/0xb0 [ 819.820872] [] ? kthread_create_on_node+0x120/0x120 [ 819.820873] ---[ end trace a5556efe295a5e69 ]--- I did not dive in details so I hadn't even bisected it. I can certainly do so on Monday - but figured I would first ask whether somebody else had reported this. Attached is the full dmesg.