Feb 22 01:18:12 myhostname kernel: [ 845.805782] BUG: unable to handle kernel paging request at 0000000100005401 Feb 22 01:18:12 myhostname kernel: [ 845.805811] IP: [] __kmalloc+0x7b/0x190 Feb 22 01:18:12 myhostname kernel: [ 845.805828] PGD 1dca61067 PUD 0 Feb 22 01:18:12 myhostname kernel: [ 845.805837] Oops: 0000 [#1] SMP Feb 22 01:18:12 myhostname kernel: [ 845.805845] CPU 1 Feb 22 01:18:12 myhostname kernel: [ 845.805849] Modules linked in: ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xen_gntdev xen_netback ipt_REJECT xen_blkback xen_evtchn xt_CHECKSUM xenfs iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp nouveau ttm drm_kms_helper drm amd64_edac_mod edac_core k8temp edac_mce_amd i2c_nforce2 i2c_algo_bit shpchp mxm_wmi wmi mac_hid video psmouse serio_raw lp parport usbhid hid sata_nv tg3 pata_amd Feb 22 01:18:12 myhostname kernel: [ 845.805961] Feb 22 01:18:12 myhostname kernel: [ 845.805966] Pid: 1798, comm: bash Not tainted 3.2.0-38-generic #61-Ubuntu HP ProLiant DL145 G2/K85NL Feb 22 01:18:12 myhostname kernel: [ 845.805980] RIP: e030:[] [] __kmalloc+0x7b/0x190 Feb 22 01:18:12 myhostname kernel: [ 845.805992] RSP: e02b:ffff88018f667ce0 EFLAGS: 00010202 Feb 22 01:18:12 myhostname kernel: [ 845.805999] RAX: 0000000000000000 RBX: 0000000000000800 RCX: 00000000005a17eb Feb 22 01:18:12 myhostname kernel: [ 845.806007] RDX: 00000000005a17ea RSI: 0000000000016700 RDI: 00000000000007ff Feb 22 01:18:12 myhostname kernel: [ 845.806015] RBP: ffff88018f667d30 R08: ffff8801f1e96700 R09: ffff8801dc053cb0 Feb 22 01:18:12 myhostname kernel: [ 845.806023] R10: 0000000000000000 R11: 0000000000016c18 R12: ffff8801e5402c00 Feb 22 01:18:12 myhostname kernel: [ 845.806031] R13: 0000000100005401 R14: 00000000000002d0 R15: ffffffff81195e65 Feb 22 01:18:12 myhostname kernel: [ 845.806042] FS: 00007fa3a9675700(0000) GS:ffff8801f1e80000(0000) knlGS:0000000000000000 Feb 22 01:18:12 myhostname kernel: [ 845.806052] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Feb 22 01:18:12 myhostname kernel: [ 845.806059] CR2: 0000000100005401 CR3: 000000018f011000 CR4: 0000000000000660 Feb 22 01:18:12 myhostname kernel: [ 845.806067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Feb 22 01:18:12 myhostname kernel: [ 845.806076] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Feb 22 01:18:12 myhostname kernel: [ 845.806084] Process bash (pid: 1798, threadinfo ffff88018f666000, task ffff8801df0f8000) Feb 22 01:18:12 myhostname kernel: [ 845.806093] Stack: Feb 22 01:18:12 myhostname kernel: [ 845.806097] ffff88018f667cf0 ffffffff8101be59 0000000000000282 0000000000000800 Feb 22 01:18:12 myhostname kernel: [ 845.806111] ffff88018f667d60 0000000000000800 ffff8801dae81540 ffff8801dc709090 Feb 22 01:18:12 myhostname kernel: [ 845.806124] ffff88018f667e3c 0000000000000100 ffff88018f667d50 ffffffff81195e65 Feb 22 01:18:12 myhostname kernel: [ 845.806138] Call Trace: Feb 22 01:18:12 myhostname kernel: [ 845.806146] [] ? sched_clock+0x9/0x10 Feb 22 01:18:12 myhostname kernel: [ 845.806155] [] alloc_fdmem+0x25/0x50 Feb 22 01:18:12 myhostname kernel: [ 845.806163] [] alloc_fdtable+0x70/0x100 Feb 22 01:18:12 myhostname kernel: [ 845.806171] [] dup_fd+0x244/0x2f0 Feb 22 01:18:12 myhostname kernel: [ 845.806180] [] copy_process.part.18+0x64b/0xe30 Feb 22 01:18:12 myhostname kernel: [ 845.806192] [] ? do_page_fault+0x210/0x520 Feb 22 01:18:12 myhostname kernel: [ 845.806200] [] copy_process+0x77/0x80 Feb 22 01:18:12 myhostname kernel: [ 845.806207] [] do_fork+0xfa/0x2f0 Feb 22 01:18:12 myhostname kernel: [ 845.806217] [] ? recalc_sigpending+0x1b/0x50 Feb 22 01:18:12 myhostname kernel: [ 845.806225] [] ? __set_task_blocked+0x37/0x80 Feb 22 01:18:12 myhostname kernel: [ 845.806239] [] ? set_current_blocked+0x5b/0x70 Feb 22 01:18:12 myhostname kernel: [ 845.806248] [] sys_clone+0x28/0x30 Feb 22 01:18:12 myhostname kernel: [ 845.806256] [] stub_clone+0x13/0x20 Feb 22 01:18:12 myhostname kernel: [ 845.806264] [] ? system_call_fastpath+0x16/0x1b Feb 22 01:18:12 myhostname kernel: [ 845.806271] Code: 00 4d 8b 04 24 65 4c 03 04 25 50 da 00 00 49 8b 50 08 4d 8b 28 4d 85 ed 0f 84 d7 00 00 00 49 63 44 24 20 49 8b 34 24 48 8d 4a 01 <49> 8b 5c 05 00 4c 89 e8 e8 78 4e 1b 00 66 66 90 84 c0 74 c2 4d Feb 22 01:18:12 myhostname kernel: [ 845.806374] RIP [] __kmalloc+0x7b/0x190 Feb 22 01:18:12 myhostname kernel: [ 845.806383] RSP Feb 22 01:18:12 myhostname kernel: [ 845.806388] CR2: 0000000100005401 Feb 22 01:18:12 myhostname kernel: [ 845.808212] BUG: unable to handle kernel paging request at 0000000100005401 Feb 22 01:18:12 myhostname kernel: [ 845.808212] IP: [] __kmalloc+0x7b/0x190 Feb 22 01:18:12 myhostname kernel: [ 845.808212] PGD 1dca61067 PUD 0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] Oops: 0000 [#2] SMP Feb 22 01:18:12 myhostname kernel: [ 845.808212] CPU 1 Feb 22 01:18:12 myhostname kernel: [ 845.808212] Modules linked in: ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xen_gntdev xen_netback ipt_REJECT xen_blkback xen_evtchn xt_CHECKSUM xenfs iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp nouveau ttm drm_kms_helper drm amd64_edac_mod edac_core k8temp edac_mce_amd i2c_nforce2 i2c_algo_bit shpchp mxm_wmi wmi mac_hid video psmouse serio_raw lp parport usbhid hid sata_nv tg3 pata_amd Feb 22 01:18:12 myhostname kernel: [ 845.808212] Feb 22 01:18:12 myhostname kernel: [ 845.808212] Pid: 1798, comm: bash Not tainted 3.2.0-38-generic #61-Ubuntu HP ProLiant DL145 G2/K85NL Feb 22 01:18:12 myhostname kernel: [ 845.808212] RIP: e030:[] [] __kmalloc+0x7b/0x190 Feb 22 01:18:12 myhostname kernel: [ 845.808212] RSP: e02b:ffff88018f6675c8 EFLAGS: 00010002 Feb 22 01:18:12 myhostname kernel: [ 845.808212] RAX: 0000000000000000 RBX: ffff8801de483638 RCX: 00000000005a17eb Feb 22 01:18:12 myhostname kernel: [ 845.808212] RDX: 00000000005a17ea RSI: 0000000000016700 RDI: 000000000000045f Feb 22 01:18:12 myhostname kernel: [ 845.808212] RBP: ffff88018f667618 R08: ffff8801f1e96700 R09: 000000000000001f Feb 22 01:18:12 myhostname kernel: [ 845.808212] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801e5402c00 Feb 22 01:18:12 myhostname kernel: [ 845.808212] R13: 0000000100005401 R14: 00000000000080d0 R15: ffffffffa00f493c Feb 22 01:18:12 myhostname kernel: [ 845.808212] [drm] nouveau 0000:01:05.0: GPU lockup - switching to software fbcon Feb 22 01:18:12 myhostname kernel: [ 845.808212] FS: 00007fa3a9675700(0000) GS:ffff8801f1e80000(0000) knlGS:0000000000000000 Feb 22 01:18:12 myhostname kernel: [ 845.808212] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Feb 22 01:18:12 myhostname kernel: [ 845.808212] CR2: 0000000100005401 CR3: 000000018f011000 CR4: 0000000000000660 Feb 22 01:18:12 myhostname kernel: [ 845.808212] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Feb 22 01:18:12 myhostname kernel: [ 845.808212] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Feb 22 01:18:12 myhostname kernel: [ 845.808212] Process bash (pid: 1798, threadinfo ffff88018f666000, task ffff8801df0f8000) Feb 22 01:18:12 myhostname kernel: [ 845.808212] Stack: Feb 22 01:18:12 myhostname kernel: [ 845.808212] ffff8801dcb81000 0000000000000010 ffff88018f667628 0000000000000460 Feb 22 01:18:12 myhostname kernel: [ 845.808212] ffff880100000120 ffff8801de483638 ffff8801dc195c08 ffff8801de483800 Feb 22 01:18:12 myhostname kernel: [ 845.808212] ffff8801dcb82800 ffff8801dcb86ba0 ffff88018f6676e8 ffffffffa00f493c Feb 22 01:18:12 myhostname kernel: [ 845.808212] Call Trace: Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] drm_crtc_helper_set_config+0xec/0xaf0 [drm_kms_helper] Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? fb_set_var+0x1a1/0x310 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? nouveau_fbcon_imageblit+0xc2/0x110 [nouveau] Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] drm_fb_helper_pan_display+0x86/0xd0 [drm_kms_helper] Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] fb_pan_display+0xbd/0x170 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] bit_update_start+0x29/0x60 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] fbcon_switch+0x3b2/0x560 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] redraw_screen+0x189/0x2a0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] fbcon_blank+0x21a/0x2d0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? _raw_spin_unlock_irqrestore+0x1e/0x30 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? up+0x32/0x50 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? _raw_spin_lock_irqsave+0x2e/0x40 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? lock_timer_base.isra.29+0x38/0x70 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? _raw_spin_unlock_irqrestore+0x1e/0x30 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? mod_timer+0x143/0x2f0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] do_unblank_screen.part.19+0x9c/0x170 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] do_unblank_screen+0x48/0x80 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] unblank_screen+0x10/0x20 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] bust_spinlocks+0x1d/0x40 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] oops_end+0x3f/0xf0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] no_context+0x150/0x15d Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] __bad_area_nosemaphore+0x1c9/0x1e8 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] bad_area+0x45/0x4e Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] do_page_fault+0x515/0x520 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? get_page_from_freelist+0x1cf/0x540 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? xen_mc_flush+0xb2/0x1c0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? alloc_fdmem+0x25/0x50 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] page_fault+0x25/0x30 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? alloc_fdmem+0x25/0x50 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? __kmalloc+0x7b/0x190 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? sched_clock+0x9/0x10 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] alloc_fdmem+0x25/0x50 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] alloc_fdtable+0x70/0x100 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] dup_fd+0x244/0x2f0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] copy_process.part.18+0x64b/0xe30 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? do_page_fault+0x210/0x520 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] copy_process+0x77/0x80 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] do_fork+0xfa/0x2f0 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? recalc_sigpending+0x1b/0x50 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? __set_task_blocked+0x37/0x80 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? set_current_blocked+0x5b/0x70 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] sys_clone+0x28/0x30 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] stub_clone+0x13/0x20 Feb 22 01:18:12 myhostname kernel: [ 845.808212] [] ? system_call_fastpath+0x16/0x1b Feb 22 01:18:12 myhostname kernel: [ 845.808212] Code: 00 4d 8b 04 24 65 4c 03 04 25 50 da 00 00 49 8b 50 08 4d 8b 28 4d 85 ed 0f 84 d7 00 00 00 49 63 44 24 20 49 8b 34 24 48 8d 4a 01 <49> 8b 5c 05 00 4c 89 e8 e8 78 4e 1b 00 66 66 90 84 c0 74 c2 4d Feb 22 01:18:12 myhostname kernel: [ 845.808212] RIP [] __kmalloc+0x7b/0x190 Feb 22 01:18:12 myhostname kernel: [ 845.808212] RSP Feb 22 01:18:12 myhostname kernel: [ 845.808212] CR2: 0000000100005401 Feb 22 01:18:12 myhostname kernel: [ 845.808212] ---[ end trace bfa321a3f6dc6997 ]--- Feb 22 01:18:12 myhostname kernel: [ 845.808212] [drm] nouveau 0000:01:05.0: PFIFO_DMA_PUSHER - Ch 0 Get 0x00011004 Put 0x0000ce68 State 0x80000000 (err: INVALID_CMD) Push 0x00000000 Feb 22 01:18:12 myhostname kernel: [ 846.173134] Warning: dev (pts1) tty->count(2) != #fd's(1) in tty_release_dev Feb 22 01:19:22 myhostname kernel: [ 906.184059] INFO: rcu_sched detected stalls on CPUs/tasks: { 0} (detected by 2, t=15002 jiffies) Feb 22 01:19:22 myhostname kernel: [ 906.188052] sending NMI to all CPUs: Feb 22 01:19:32 myhostname kernel: [ 916.116057] INFO: rcu_bh detected stalls on CPUs/tasks: { 0} (detected by 1, t=17484 jiffies) Feb 22 01:19:32 myhostname kernel: [ 916.120052] sending NMI to all CPUs: Feb 22 01:22:22 myhostname kernel: [ 1086.312058] INFO: rcu_sched detected stalls on CPUs/tasks: { 0} (detected by 2, t=60034 jiffies) Feb 22 01:22:22 myhostname kernel: [ 1086.316052] sending NMI to all CPUs: Feb 22 01:22:32 myhostname kernel: [ 1096.244058] INFO: rcu_bh detected stalls on CPUs/tasks: { 0} (detected by 1, t=62516 jiffies) Feb 22 01:22:32 myhostname kernel: [ 1096.248052] sending NMI to all CPUs: