search for: 0x140

Since C8.1 kvm guests have a huge delay while booting on a kvm host based on C6. This delay was not present with C8.0. The "pause" happend direct after the grub step. The VNC session shows only a "_" character. Any ideas what changes? -- Leon

...>> direct after the grub step. The VNC session shows only a "_" character. >> > > and this are the corresponding logs. The guest system continues to boot after ~5 minutes. At that point this appears > > May 16 16:44:14 ev kernel: kvm: 8458: cpu0 unhandled rdmsr: 0x140 > May 16 16:44:14 ev kernel: kvm: 8458: cpu0 disabled perfctr wrmsr: 0xc2 data 0xffff > May 16 16:44:14 ev kernel: kvm: 8458: cpu1 unhandled rdmsr: 0x140 > May 16 16:44:14 ev kernel: kvm: 8458: cpu2 unhandled rdmsr: 0x140 > May 16 16:44:14 ev kernel: kvm: 8458: cpu3 unhandled rdmsr: 0x1...

...ry a more up to date kernel if we think this can be fixed. Mar 16 16:48:18 olga kernel: kvm: SMP vm created on host with unstable TSC; guest TSC will not be reliable Mar 16 18:28:59 olga kernel: WARNING: CPU: 5 PID: 74 at ../drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h:170 nvkm_dp_enable+0xbe/0x140 [nouveau] Mar 16 18:28:59 olga kernel: Modules linked in: ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_filter ip Mar 16 18:28:59 olga kernel: i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys...

...eading boot messages and kernel errors be able to assist with advising me on what the following errors might mean in dmesg. It seems to come up randomly towards the end of the logfile. ------------[ cut here ]------------ WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:467 generic_get_mtrr+0x11e/0x140() (Not tainted) Hardware name: empty mtrr: your BIOS has set up an incorrect mask, fixing it up. Modules linked in: Pid: 0, comm: swapper Not tainted 2.6.32-220.2.1.el6.x86_64 #1 Call Trace: [<ffffffff81069997>] ? warn_slowpath_common+0x87/0xc0 [<ffffffff81069a86>] ? warn_slowpath_f...

...illegally from idle CPU! [ 2.513388] rcu_scheduler_active = 1, debug_locks = 1 [ 2.513511] RCU used illegally from extended quiescent state! [ 2.513572] 1 lock held by swapper/0/0: [ 2.513626] #0: (rcu_read_lock){......}, at: [<ffffffff810e9fe0>] __atomic_notifier_call_chain+0x0/0x140 [ 2.513815] [ 2.513815] stack backtrace: [ 2.513897] Pid: 0, comm: swapper/0 Not tainted 3.6.5 #1 [ 2.513954] Call Trace: [ 2.514005] <IRQ> [<ffffffff811259a2>] lockdep_rcu_suspicious+0xe2/0x130 [ 2.514107] [<ffffffff810ea10c>] __atomic_notifier_call_chain+0x1...

...illegally from idle CPU! [ 2.513388] rcu_scheduler_active = 1, debug_locks = 1 [ 2.513511] RCU used illegally from extended quiescent state! [ 2.513572] 1 lock held by swapper/0/0: [ 2.513626] #0: (rcu_read_lock){......}, at: [<ffffffff810e9fe0>] __atomic_notifier_call_chain+0x0/0x140 [ 2.513815] [ 2.513815] stack backtrace: [ 2.513897] Pid: 0, comm: swapper/0 Not tainted 3.6.5 #1 [ 2.513954] Call Trace: [ 2.514005] <IRQ> [<ffffffff811259a2>] lockdep_rcu_suspicious+0xe2/0x130 [ 2.514107] [<ffffffff810ea10c>] __atomic_notifier_call_chain+0x1...

...per] [ 246.690462] drm_kms_helper_hotplug_event+0x2a/0x30 [drm_kms_helper] [ 246.691570] output_poll_execute+0x198/0x1c0 [drm_kms_helper] [ 246.692611] process_one_work+0x231/0x620 [ 246.693725] worker_thread+0x214/0x3a0 [ 246.694756] kthread+0x12b/0x150 [ 246.695856] ? wq_pool_ids_show+0x140/0x140 [ 246.696888] ? kthread_create_worker_on_cpu+0x70/0x70 [ 246.697998] ret_from_fork+0x3a/0x50 [ 246.699034] INFO: task kworker/0:1:60 blocked for more than 120 seconds. [ 246.700153] Not tainted 4.18.0-rc5Lyude-Test+ #2 [ 246.701182] "echo 0 > /proc/sys/kernel/hung_task_ti...

...information ===== architecture ----- x86_64 package ----- kernel kernel ----- 2.6.32-220.2.1.el6.x86_64 Additional information ===== kernel_tainted_long ----- Taint on warning. kernel_tainted ----- 512 backtrace ----- WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:467 generic_get_mtrr+0x11e/0x140() (Not tainted) Hardware name: empty mtrr: your BIOS has set up an incorrect mask, fixing it up. Modules linked in: Pid: 0, comm: swapper Not tainted 2.6.32-220.2.1.el6.x86_64 #1 Call Trace: [<ffffffff81069997>] ? warn_slowpath_common+0x87/0xc0 [<ffffffff81069a86>] ? warn_slowpath_fmt+0...

...queue_add+0x57/0x90 [354073.738456] ? enqueue_hrtimer+0x3c/0x90 [354073.738458] do_vfs_ioctl+0xa9/0x640 [354073.738459] ? fput+0x13/0x20 [354073.738461] ? __sys_recvmsg+0x88/0xa0 [354073.738462] ksys_ioctl+0x67/0x90 [354073.738463] __x64_sys_ioctl+0x1a/0x20 [354073.738465] do_syscall_64+0x5a/0x140 [354073.738467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [354073.738468] RIP: 0033:0x7ffad14d3417 [354073.738472] Code: Bad RIP value. [354073.738472] RSP: 002b:00007ffdd5679978 EFLAGS: 00003246 ORIG_RAX: 0000000000000010 [354073.738473] RAX: ffffffffffffffda RBX: 000056428a474610 RCX: 00007ffad14...

...queue_add+0x57/0x90 [354073.738456] ? enqueue_hrtimer+0x3c/0x90 [354073.738458] do_vfs_ioctl+0xa9/0x640 [354073.738459] ? fput+0x13/0x20 [354073.738461] ? __sys_recvmsg+0x88/0xa0 [354073.738462] ksys_ioctl+0x67/0x90 [354073.738463] __x64_sys_ioctl+0x1a/0x20 [354073.738465] do_syscall_64+0x5a/0x140 [354073.738467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [354073.738468] RIP: 0033:0x7ffad14d3417 [354073.738472] Code: Bad RIP value. [354073.738472] RSP: 002b:00007ffdd5679978 EFLAGS: 00003246 ORIG_RAX: 0000000000000010 [354073.738473] RAX: ffffffffffffffda RBX: 000056428a474610 RCX: 00007ffad14...

...kms_helper_hotplug_event+0x2a/0x30 [drm_kms_helper] > [ 246.691570] output_poll_execute+0x198/0x1c0 [drm_kms_helper] > [ 246.692611] process_one_work+0x231/0x620 > [ 246.693725] worker_thread+0x214/0x3a0 > [ 246.694756] kthread+0x12b/0x150 > [ 246.695856] ? wq_pool_ids_show+0x140/0x140 > [ 246.696888] ? kthread_create_worker_on_cpu+0x70/0x70 > [ 246.697998] ret_from_fork+0x3a/0x50 > [ 246.699034] INFO: task kworker/0:1:60 blocked for more than 120 seconds. > [ 246.700153] Not tainted 4.18.0-rc5Lyude-Test+ #2 > [ 246.701182] "echo 0 > /pro...

Latest version of https://patchwork.freedesktop.org/series/46815/ , with one small change re: ilia Lyude Paul (5): drm/nouveau: Fix bogus drm_kms_helper_poll_enable() placement drm/nouveau: Remove duplicate poll_enable() in pmops_runtime_suspend() drm/nouveau: Fix deadlock with fb_helper with async RPM requests drm/nouveau: Use pm_runtime_get_noresume() in connector_detect()

.../0x90 > [ 861.491068] __pm_runtime_resume+0x4e/0x90 > [ 861.491753] nouveau_display_hpd_work+0x22/0x60 [nouveau] > [ 861.492416] process_one_work+0x231/0x620 > [ 861.493068] worker_thread+0x44/0x3a0 > [ 861.493722] kthread+0x12b/0x150 > [ 861.494342] ? wq_pool_ids_show+0x140/0x140 > [ 861.494991] ? kthread_create_worker_on_cpu+0x70/0x70 > [ 861.495648] ret_from_fork+0x3a/0x50 > [ 861.496304] INFO: task kworker/6:2:320 blocked for more than 120 seconds. > [ 861.496968] Tainted: G O 4.18.0-rc6Lyude-Test+ #1 > [ 861.497654] &quot...

...[26399.968321]? [<ffffffffaf504262>] ? security_inode_permission+0x22/0x30 [26399.968345]? [<ffffffffaf981929>] schedule_preempt_disabled+0x29/0x70 [26399.968375]? [<ffffffffaf97f8b7>] __mutex_lock_slowpath+0xc7/0x1d0 [26399.968395]? [<ffffffffaf455ec3>] ? unlazy_walk+0x133/0x140 [26399.968404]? [<ffffffffaf97ec8f>] mutex_lock+0x1f/0x2f [26399.968410]? [<ffffffffaf977865>] lookup_slow+0x33/0xa7 [26399.968421]? [<ffffffffaf45b608>] path_lookupat+0x838/0x8b0 [26399.968445]? [<ffffffffaf424ef5>] ? kmem_cache_alloc+0x35/0x1f0 [26399.968475]? [<fffffff...

...per] [ 246.690462] drm_kms_helper_hotplug_event+0x2a/0x30 [drm_kms_helper] [ 246.691570] output_poll_execute+0x198/0x1c0 [drm_kms_helper] [ 246.692611] process_one_work+0x231/0x620 [ 246.693725] worker_thread+0x214/0x3a0 [ 246.694756] kthread+0x12b/0x150 [ 246.695856] ? wq_pool_ids_show+0x140/0x140 [ 246.696888] ? kthread_create_worker_on_cpu+0x70/0x70 [ 246.697998] ret_from_fork+0x3a/0x50 [ 246.699034] INFO: task kworker/0:1:60 blocked for more than 120 seconds. [ 246.700153] Not tainted 4.18.0-rc5Lyude-Test+ #2 [ 246.701182] "echo 0 > /proc/sys/kernel/hung_task_ti...

...9e32e0 cf8e3000 c04ec07e cd9e32e0 cf8e3000 c0895140 Call Trace: [<c04dcfb0>] dev_gso_segment+0x30/0xb0 [<c04dd07e>] dev_hard_start_xmit+0x4e/0x110 [<c04ec07e>] __qdisc_run+0xbe/0x280 [<c04dd4b9>] dev_queue_xmit+0x379/0x380 [<c05bbe44>] br_dev_queue_push_xmit+0xa4/0x140 [<c05c2402>] br_nf_post_routing+0x102/0x1d0 [<c05c22b0>] br_nf_dev_queue_xmit+0x0/0x50 [<c05bbda0>] br_dev_queue_push_xmit+0x0/0x140 [<c04f0eab>] nf_iterate+0x6b/0xa0 [<c05bbda0>] br_dev_queue_push_xmit+0x0/0x140 [<c05bbda0>] br_dev_queue_push_xmit+0x0/0x14...

...kms_helper_hotplug_event+0x2a/0x30 [drm_kms_helper] > [ 246.691570] output_poll_execute+0x198/0x1c0 [drm_kms_helper] > [ 246.692611] process_one_work+0x231/0x620 > [ 246.693725] worker_thread+0x214/0x3a0 > [ 246.694756] kthread+0x12b/0x150 > [ 246.695856] ? wq_pool_ids_show+0x140/0x140 > [ 246.696888] ? kthread_create_worker_on_cpu+0x70/0x70 > [ 246.697998] ret_from_fork+0x3a/0x50 > [ 246.699034] INFO: task kworker/0:1:60 blocked for more than 120 seconds. > [ 246.700153] Not tainted 4.18.0-rc5Lyude-Test+ #2 > [ 246.701182] "echo 0 > /pro...

...kms_helper_hotplug_event+0x2a/0x30 [drm_kms_helper] > [ 246.691570] output_poll_execute+0x198/0x1c0 [drm_kms_helper] > [ 246.692611] process_one_work+0x231/0x620 > [ 246.693725] worker_thread+0x214/0x3a0 > [ 246.694756] kthread+0x12b/0x150 > [ 246.695856] ? wq_pool_ids_show+0x140/0x140 > [ 246.696888] ? kthread_create_worker_on_cpu+0x70/0x70 > [ 246.697998] ret_from_fork+0x3a/0x50 > [ 246.699034] INFO: task kworker/0:1:60 blocked for more than 120 seconds. > [ 246.700153] Not tainted 4.18.0-rc5Lyude-Test+ #2 > [ 246.701182] "echo 0 > /pro...

...per] [ 246.690462] drm_kms_helper_hotplug_event+0x2a/0x30 [drm_kms_helper] [ 246.691570] output_poll_execute+0x198/0x1c0 [drm_kms_helper] [ 246.692611] process_one_work+0x231/0x620 [ 246.693725] worker_thread+0x214/0x3a0 [ 246.694756] kthread+0x12b/0x150 [ 246.695856] ? wq_pool_ids_show+0x140/0x140 [ 246.696888] ? kthread_create_worker_on_cpu+0x70/0x70 [ 246.697998] ret_from_fork+0x3a/0x50 [ 246.699034] INFO: task kworker/0:1:60 blocked for more than 120 seconds. [ 246.700153] Not tainted 4.18.0-rc5Lyude-Test+ #2 [ 246.701182] "echo 0 > /proc/sys/kernel/hung_task_ti...

..."pause" happend > direct after the grub step. The VNC session shows only a "_" character. > and this are the corresponding logs. The guest system continues to boot after ~5 minutes. At that point this appears May 16 16:44:14 ev kernel: kvm: 8458: cpu0 unhandled rdmsr: 0x140 May 16 16:44:14 ev kernel: kvm: 8458: cpu0 disabled perfctr wrmsr: 0xc2 data 0xffff May 16 16:44:14 ev kernel: kvm: 8458: cpu1 unhandled rdmsr: 0x140 May 16 16:44:14 ev kernel: kvm: 8458: cpu2 unhandled rdmsr: 0x140 May 16 16:44:14 ev kernel: kvm: 8458: cpu3 unhandled rdmsr: 0x140 May 16 16:44:15...