Please CC as i'm not subscribed After some hours of uptime, was just scrolling through the new AVX2 Intel manual PDF in Okular, when suddenly i found my self at the console with this oops in front of me, machine dead: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffffa0277f07>] nv50_vm_map_sg+0x37/0xb0 [nouveau] PGD 21589d067 PUD 214ab6067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU 0 Modules linked in: it87 coretemp snd:seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss ecb cifs fscache joydev adt7475 hwmon_vid nouveau snd_hda_codec_realtek r8169 fbcon ttm sr_mod tileblit font bitblit softcursor drm_kms_helper drm agbpart fb fbdev i2c_algo_bit cfbcopyarea mxm_wmi wmi video snd_hda_intel snd_hda_codec backlight cfbimgblit cfbimgblt ata_generic snd_hwdep snd_pcm snd_timer snd iTCO_wdt ehci_hcd ppdev parport_pc i2c_i801 parport sg snd_page_alloc iTCO_vendor_support cdrom mii cfbfillrect pata_jmicron pcspkr Pid: 2225, comm: X Tainted: G W 3.0.0-rc2+ #8 Gigabyte Technology Co., Ltd. P55-UD3L/P55-UD3L RIP: 0010:[<ffffffffa0277f07>] [<ffffffffa0277f07>] nv50_vm_map_sg+0x37/0xb0 [nouveau] RSP: 0018:ffff880203f4da58 EFLAGS: 00010206 RAX: ffff880212c00000 RBX: ffff880215be3900 RCX: 000000000000273f RDX: ffff8801f59bae40 RSI: ffff880215be3900 RDI: ffff88015879fe10 RBP: ffff88015879fe10 R08: 000000000000000a R09: 0000000000000000 R10: ffff880203f4db88 R11: 0000000000000001 R12: ffff8801f59bae40 R13: 0000000000000000 R14: 00000000000139f8 R15: 0000000000000000 FS: 00007ff2ca8a1880(0000) GS: ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000212deb000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process X (pid: 2225, threadinfo ffff880203f4c000, task ffff8802167b5b80) Stack: 0000000000000001 ffffffffa017805b ffff880215001508 000000000000274a 000000000000000b 0000000000000000 0000000000000000 ffff880215008140 ffff88015879fe10 ffffffffa0220acd 0000000000040002 0002000000000001 Call Trace: [<ffffffffa017905b>] ? ttm_bo_unreserve+0x2b/0x50 [ttm] [<ffffffffa0220acd>] ? nouveau_vm_map_sg+0xcd/0x130 [nouveau] [<ffffffffa0179570>] ? ttm_bo_handle_move_mem+0x110/0x440 [ttm] [<ffffffffa017b816>] ? ttm_bo_move_buffer+0x156/0x170 [ttm] [<ffffffffa017b8c5>] ? ttm_bo_validate+0x95/0x130 [ttm] [<ffffffffa01fb5ee>] ? nouveau_bo_validate+0x1e/0x40 [nouveau] [<ffffffffa01fe3f3>] ? validate_list+0xb3/0x0x330 [nouveau] [<ffffffffa01ff232>] ? nouveau_gem_ioctl_pushbuf+0x5c2/0x1230 [nouveau] [<ffffffff810ccd98>] ? filemap_fault+0x98/0x420 [<ffffffffa012a821>] ? drm_ioctl+0x3d1/0x450 [drm] [<ffffffff810f91bd>] ? page_add_new_anon_rmap+0x5d/0xf0 [<ffffffffa01fec70>] ? nouveau_gem_ioctl_info+0xa0/0xa0 [nouveau] [<ffffffff81270c56>] ? __percpu_counter_add+0x56/0x90 [<ffffffff811316cb>] ? do_vfs_ioctl+0x9b/0x500 [<ffffffff81131bd0>] ? sys_ioctl+0xa0/0xb0 [<ffffffff8150cdfb>] ? system_call_fastpath+0x16/0x1b Code: 89 d4 55 48 89 fd 53 48 89 f3 48 83 ec 18 45 85 c0 74 7c 44 8d 34 cd 00 00 00 00 41 ff c8 eb 0b 0f 1f 40 00 41 83 c6 08 41 ff c8 <4d> 8b 2f 41 8b 44 24 70 49 83 cd 21 48 c1 e0 28 44 89 f6 49 09 RIP [<ffffffffa0277f07>] nv50_vm_map_sg+0x37/0xb0 [nouveau] RSP <ffff880203f4da58> CR2: 0000000000000000 This is *ALL* transcribed by _HAND_ Tree is at 3c25fa740e2084a3950f581378ec29a3c307ddfc (last Btrfs merge) config attached. Other software involved: [ebuild R ] x11-libs/libdrm-2.4.25 [ebuild R ] sys-devel/llvm-2.8-r2 [ebuild R ] media-libs/mesa-7.10.2 [ebuild R ] x11-base/xorg-server-1.9.4 [ebuild R ] kde-base/kde-meta-4.6.3 [ebuild R ] x11-drivers/xf86-video-nouveau-0.0.16_pre20110323 (KDE Desktop effects disabled) What other info is needed? Any patches to try? Greetings Jan
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