search for: entry_syscall_64_fastpath

...1.312425] general protection fault: 0000 [#1] SMP >>> [ 1.312901] Modules linked in: >>> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 >>> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 >>> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 >>> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 >>> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: >>> 00007fcfc959f59a >>> [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: >>> 0000000000000000 >...

...1.312425] general protection fault: 0000 [#1] SMP >>> [ 1.312901] Modules linked in: >>> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 >>> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 >>> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 >>> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 >>> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: >>> 00007fcfc959f59a >>> [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: >>> 0000000000000000 >...

...another problem: > > [ 1.312425] general protection fault: 0000 [#1] SMP > [ 1.312901] Modules linked in: > [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 > [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 > [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 > [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 > [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: > 00007fcfc959f59a > [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: > 0000000000000000 > [ 1.316315] RBP: 000000000000000a R0...

...another problem: > > [ 1.312425] general protection fault: 0000 [#1] SMP > [ 1.312901] Modules linked in: > [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 > [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 > [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 > [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 > [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: > 00007fcfc959f59a > [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: > 0000000000000000 > [ 1.316315] RBP: 000000000000000a R0...

...otection fault: 0000 [#1] SMP > >>> [ 1.312901] Modules linked in: > >>> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 > >>> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 > >>> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 > >>> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 > >>> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: > >>> 00007fcfc959f59a > >>> [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: > >>&...

...al+0x1b4/0x280 [drm] drm_mode_cursor_universal+0x126/0x210 [drm] drm_mode_cursor_common+0x86/0x180 [drm] drm_mode_cursor_ioctl+0x50/0x70 [drm] drm_ioctl+0x21b/0x4c0 [drm] ? drm_mode_setplane+0x1a0/0x1a0 [drm] nouveau_drm_ioctl+0x74/0xc0 [nouveau] do_vfs_ioctl+0xa3/0x5f0 SyS_ioctl+0x79/0x90 entry_SYSCALL_64_fastpath+0x1a/0xa9 ... RIP: dma_fence_wait_timeout+0x36/0xf0 RSP: ffffc1f700723a38 ... ---[ end trace a6bef2d32ed5fbbc ]--- BUG: unable to handle kernel NULL pointer dereference at 0000000000000021 IP: dma_fence_wait_timeout+0x36/0xf0 ... Oops: 0000 [#1] SMP Modules linked in: ... nouveau ... CPU: 3 PID:...

...l protection fault: 0000 [#1] SMP >>>> [ 1.312901] Modules linked in: >>>> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 >>>> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 >>>> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 >>>> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 >>>> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: >>>> 00007fcfc959f59a >>>> [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: >>>> 0...

...lt: 0000 [#1] SMP >>>>> [ 1.312901] Modules linked in: >>>>> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 >>>>> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 >>>>> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 >>>>> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 >>>>> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: >>>>> 00007fcfc959f59a >>>>> [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: &g...

...; >> [ 1.312425] general protection fault: 0000 [#1] SMP >> [ 1.312901] Modules linked in: >> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 >> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 >> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 >> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 >> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: >> 00007fcfc959f59a >> [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: >> 0000000000000000 >> [ 1.316315]...

...t; >>>>> [ 1.312901] Modules linked in: > >>>>> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 > >>>>> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 > >>>>> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 > >>>>> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 > >>>>> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: > >>>>> 00007fcfc959f59a > >>>>> [ 1.315827] RDX: 0000000000000000 RSI: 0000...

...t; >>>>> [ 1.312901] Modules linked in: > >>>>> [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 > >>>>> [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 > >>>>> [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 > >>>>> [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 > >>>>> [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: > >>>>> 00007fcfc959f59a > >>>>> [ 1.315827] RDX: 0000000000000000 RSI: 0000...

...pin_unlock_irqrestore+0x4d/0x90 [ +0.000006] ? preempt_count_sub+0x9b/0xd0 [ +0.000005] ? _raw_spin_unlock_irqrestore+0x6b/0x90 [ +0.000008] nouveau_drm_ioctl+0x64/0xc0 [ +0.000009] do_vfs_ioctl+0x8e/0x690 [ +0.000007] ? __fget+0x116/0x200 [ +0.000010] SyS_ioctl+0x74/0x80 [ +0.000009] entry_SYSCALL_64_fastpath+0x23/0x9a [ +0.000004] RIP: 0033:0x7f7860c70727 [ +0.000003] RSP: 002b:00007ffcb0d3b088 EFLAGS: 00000246 Uptime is about 14 days now and I don't think I've seen this trace before. Is this useful/worth chasing? Cheers, -- Ricardo Nabinger Sanchez http://rnsanchez.wait4.org/...

On Thu, Oct 05, 2017 at 04:35:03PM -0400, Boris Ostrovsky wrote: > > > #ifdef CONFIG_PARAVIRT > > +/* > > + * Paravirt alternatives are applied much earlier than normal alternatives. > > + * They are only applied when running on a hypervisor. They replace some > > + * native instructions with calls to pv ops. > > + */ > > +void __init

On Thu, Oct 05, 2017 at 04:35:03PM -0400, Boris Ostrovsky wrote: > > > #ifdef CONFIG_PARAVIRT > > +/* > > + * Paravirt alternatives are applied much earlier than normal alternatives. > > + * They are only applied when running on a hypervisor. They replace some > > + * native instructions with calls to pv ops. > > + */ > > +void __init

...d yet anyway. There is also another problem: [ 1.312425] general protection fault: 0000 [#1] SMP [ 1.312901] Modules linked in: [ 1.313389] CPU: 0 PID: 1 Comm: init Not tainted 4.14.0-rc4+ #6 [ 1.313878] task: ffff88003e2c0000 task.stack: ffffc9000038c000 [ 1.314360] RIP: 10000e030:entry_SYSCALL_64_fastpath+0x1/0xa5 [ 1.314854] RSP: e02b:ffffc9000038ff50 EFLAGS: 00010046 [ 1.315336] RAX: 000000000000000c RBX: 000055f550168040 RCX: 00007fcfc959f59a [ 1.315827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 1.316315] RBP: 000000000000000a R08: 000000000000037f R09: 00000...

...x70 [ 56.593434] ? may_open+0x9b/0x100 [ 56.593434] path_openat+0x2b2/0x1570 [ 56.593436] ? move_addr_to_user+0xba/0xd0 [ 56.593437] do_filp_open+0x91/0x100 [ 56.593439] ? __alloc_fd+0x46/0x170 [ 56.593439] do_sys_open+0x125/0x210 [ 56.593440] SyS_open+0x1e/0x20 [ 56.593442] entry_SYSCALL_64_fastpath+0x1e/0xad [ 56.593442] RIP: 0033:0x7fc8a9085620 [ 56.593443] RSP: 002b:00007ffc0d30b908 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 56.593443] RAX: ffffffffffffffda RBX: 0000000001090f40 RCX: 00007fc8a9085620 [ 56.593444] RDX: 00007fc8a84582c0 RSI: 0000000000000002 RDI: 0000000001090f00 [...

...ffff8180a1e0>] ? selinux_parse_skb.constprop.42+0x7c0/0x7c0 [<ffffffff811dbdcb>] ? do_setitimer+0x28b/0x420 [<ffffffff811dbfe5>] ? alarm_setitimer+0x85/0xe0 [<ffffffff811dbf60>] ? do_setitimer+0x420/0x420 [<ffffffff81334684>] SyS_ioctl+0x74/0x80 [<ffffffff82f34ed7>] entry_SYSCALL_64_fastpath+0x12/0x6f ---[ end trace 780046761495600a ]--- BUG: unable to handle kernel paging request at ffffc90001880000 IP: [<ffffffff818d20be>] iowrite32+0x2e/0x40 PGD 174f36067 PUD 174f37067 PMD 16a13b067 PTE 0 Oops: 0002 [#1] SMP KASAN CPU: 3 PID: 4638 Comm: trinity-c19 Tainted: G B W...

...pt_count_sub+0x9b/0xd0 >> [ +0.000005] ? _raw_spin_unlock_irqrestore+0x6b/0x90 >> [ +0.000008] nouveau_drm_ioctl+0x64/0xc0 >> [ +0.000009] do_vfs_ioctl+0x8e/0x690 >> [ +0.000007] ? __fget+0x116/0x200 >> [ +0.000010] SyS_ioctl+0x74/0x80 >> [ +0.000009] entry_SYSCALL_64_fastpath+0x23/0x9a >> [ +0.000004] RIP: 0033:0x7f7860c70727 >> [ +0.000003] RSP: 002b:00007ffcb0d3b088 EFLAGS: 00000246 >> >> Uptime is about 14 days now and I don't think I've seen this trace before. >> >> Is this useful/worth chasing? >> >> Cheers,...

...seq_read+0x305/0x370 [<ffffffff81279668>] __vfs_read+0x28/0xe0 [<ffffffff81279645>] ? __vfs_read+0x5/0xe0 [<ffffffff81279645>] ? __vfs_read+0x5/0xe0 [<ffffffff81279df6>] vfs_read+0x86/0x130 [<ffffffff8127b216>] SyS_read+0x46/0xa0 [<ffffffff81cc6176>] entry_SYSCALL_64_fastpath+0x1e/0xa8 Code: 12 48 c1 ea 0c 83 e8 01 83 e2 30 48 98 48 81 c2 40 6d 01 00 48 03 14 c5 80 6a 5d 82 48 89 0a 8b 41 08 85 c0 75 09 f3 90 8b 41 08 <85> c0 74 f7 4c 8b 09 4d 85 c9 74 08 41 0f 18 09 eb 02 f3 90 8b Reported-by: ?ukasz Daniluk <lukasz.daniluk at intel.com> Signed-off-by:...

...seq_read+0x305/0x370 [<ffffffff81279668>] __vfs_read+0x28/0xe0 [<ffffffff81279645>] ? __vfs_read+0x5/0xe0 [<ffffffff81279645>] ? __vfs_read+0x5/0xe0 [<ffffffff81279df6>] vfs_read+0x86/0x130 [<ffffffff8127b216>] SyS_read+0x46/0xa0 [<ffffffff81cc6176>] entry_SYSCALL_64_fastpath+0x1e/0xa8 Code: 12 48 c1 ea 0c 83 e8 01 83 e2 30 48 98 48 81 c2 40 6d 01 00 48 03 14 c5 80 6a 5d 82 48 89 0a 8b 41 08 85 c0 75 09 f3 90 8b 41 08 <85> c0 74 f7 4c 8b 09 4d 85 c9 74 08 41 0f 18 09 eb 02 f3 90 8b Reported-by: ?ukasz Daniluk <lukasz.daniluk at intel.com> Signed-off-by:...