[Nouveau] [Bug 97438] Running a lot of Firefox instances causes kernel page fault.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 12 16:15:10 UTC 2016 

https://bugs.freedesktop.org/show_bug.cgi?id=97438

--- Comment #3 from freedesktop.loser137 at safersignup.com ---
I have the same problem. When trying to start a qt5-application like kontact,
dolphin or systemsettings5, they do not start and there is the following oops
in dmesg:
[  279.775857] resource sanity check: requesting [mem 0xcff02000-0xd0001fff],
which spans more than 0000:01:00.0 [mem 0xce000000-0xcfffffff 64bit pref]
[  279.775907] caller nv50_instobj_boot+0xac/0x120 [nouveau] mapping multiple
BARs
[  279.776152] BUG: unable to handle kernel paging request at ffffc900009d0000
[  279.776461] IP: [<ffffffff81304b2e>] iowrite32+0x2e/0x40
[  279.776831] PGD 1334a0067 PUD 1334a1067 PMD 7f948067 PTE 0
[  279.779156] Oops: 0002 [#1] PREEMPT SMP
[  279.781473] Modules linked in: rfcomm bnep xt_owner iptable_filter btusb
sha256_ssse3 sha256_generic cbc btrtl btbcm dm_crypt btintel bluetooth dm_mod
hid_generic usbhid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
videobuf2_core videodev media uas hid arc4 iwlmvm mac80211 mousedev
intel_powerclamp joydev coretemp acer_wmi kvm_intel iTCO_wdt
iTCO_vendor_support sparse_keymap kvm iwlwifi irqbypass crc32c_intel mei_me mei
snd_hda_codec_hdmi lpc_ich cfg80211 rfkill snd_hda_codec_generic intel_cstate
psmouse input_leds led_class pcspkr serio_raw intel_ips fjes snd_hda_intel
snd_hda_codec ac thermal battery intel_agp snd_hda_core shpchp intel_gtt evdev
snd_hwdep snd_pcm i2c_i801 mac_hid acpi_cpufreq tpm_tis tpm sch_fq_codel
snd_seq_dummy usbip_host usbip_core loop snd_seq_oss snd_seq_midi_event
[  279.783730]  snd_seq snd_seq_device snd_timer snd soundcore cuse fuse sg
vhba(O) ip_tables x_tables ext4 crc16 jbd2 mbcache usb_storage sr_mod cdrom
sd_mod atkbd libps2 ahci libahci libata ehci_pci ehci_hcd scsi_mod usbcore
usb_common i8042 serio tg3 ptp pps_core broadcom bcm_phy_lib libphy nouveau
button video mxm_wmi wmi i2c_algo_bit drm_kms_helper syscopyarea sysfillrect
sysimgblt fb_sys_fops ttm drm
[  279.785630] CPU: 2 PID: 1722 Comm: systemsettings5 Tainted: G           O   
4.7.2-1-ARCH #1
[  279.786280] Hardware name: Acer             TravelMate8572TG /BAP50-CP      
 , BIOS V1.27   04/25/2011
[  279.786929] task: ffff880049dcb400 ti: ffff88003e8e4000 task.ti:
ffff88003e8e4000
[  279.787581] RIP: 0010:[<ffffffff81304b2e>]  [<ffffffff81304b2e>]
iowrite32+0x2e/0x40
[  279.788238] RSP: 0018:ffff88003e8e7948  EFLAGS: 00010292
[  279.788896] RAX: ffffffffa01e0240 RBX: 0000000000010000 RCX:
0000000000000009
[  279.789558] RDX: 000000003dffb081 RSI: ffffc900009d0000 RDI:
000000003dffb081
[  279.790224] RBP: ffff88003e8e7950 R08: 0000000000000100 R09:
000000003defd000
[  279.790893] R10: ffff88003c137400 R11: 000000003defd000 R12:
0000000000000000
[  279.791555] R13: 000000003dffb081 R14: 0000000000000010 R15:
ffff88007f93a440
[  279.792225] FS:  00007f1fab406180(0000) GS:ffff880137d00000(0000)
knlGS:0000000000000000
[  279.792890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  279.793556] CR2: ffffc900009d0000 CR3: 000000003c488000 CR4:
00000000000006e0
[  279.794237] Stack:
[  279.794910]  ffffffffa014cec4 ffff88003e8e79a8 ffffffffa0152e57
ffff88003c137400
[  279.795589]  ffff88004a293918 000000003dffd001 0000000000000000
0000000000000100
[  279.796283]  0000000000000000 0000000000002002 ffff8800b9b56000
ffff88004a293918
[  279.796966] Call Trace:
[  279.797668]  [<ffffffffa014cec4>] ? nvkm_instobj_wr32+0x14/0x20 [nouveau]
[  279.798344]  [<ffffffffa0152e57>] nv50_vm_map+0x157/0x1a0 [nouveau]
[  279.799032]  [<ffffffffa0150f6d>] nvkm_vm_map_at+0xdd/0x1d0 [nouveau]
[  279.799722]  [<ffffffffa014dc8b>] nv50_instobj_map+0x1b/0x20 [nouveau]
[  279.800412]  [<ffffffffa014def2>] nv50_instobj_boot+0xc2/0x120 [nouveau]
[  279.801100]  [<ffffffffa014de0b>] nv50_instobj_acquire+0x4b/0x70 [nouveau]
[  279.801789]  [<ffffffffa014cdf7>] nvkm_instobj_acquire_slow+0x17/0x30
[nouveau]
[  279.802482]  [<ffffffffa014d19a>] nvkm_instobj_new+0x6a/0x180 [nouveau]
[  279.803166]  [<ffffffffa01075d4>] nvkm_memory_new+0x44/0x80 [nouveau]
[  279.803859]  [<ffffffffa0151a6f>] nvkm_vm_get+0x15f/0x250 [nouveau]
[  279.804553]  [<ffffffffa01af152>] nouveau_bo_vma_add+0x32/0xa0 [nouveau]
[  279.805239]  [<ffffffffa01ad26e>] ? nouveau_bo_map+0x6e/0xb0 [nouveau]
[  279.805932]  [<ffffffffa01c0612>] nouveau_channel_prep+0x1d2/0x290 [nouveau]
[  279.806634]  [<ffffffffa01c0727>] nouveau_channel_new+0x57/0x6e0 [nouveau]
[  279.807334]  [<ffffffffa0104a2d>] ? nvif_device_init+0x2d/0x30 [nouveau]
[  279.808029]  [<ffffffff811d71b0>] ? kmem_cache_alloc_trace+0x1c0/0x1e0
[  279.808744]  [<ffffffffa01bf824>]
nouveau_abi16_ioctl_channel_alloc+0xe4/0x340 [nouveau]
[  279.809456]  [<ffffffffa00059a2>] drm_ioctl+0x152/0x540 [drm]
[  279.810171]  [<ffffffffa01bf740>] ? nouveau_abi16_ioctl_setparam+0x10/0x10
[nouveau]
[  279.810891]  [<ffffffffa01a8554>] nouveau_drm_ioctl+0x74/0xc0 [nouveau]
[  279.811598]  [<ffffffff8120cd72>] do_vfs_ioctl+0xa2/0x5d0
[  279.812318]  [<ffffffff81217e07>] ? __fget+0x77/0xb0
[  279.813030]  [<ffffffff8120d319>] SyS_ioctl+0x79/0x90
[  279.813744]  [<ffffffff815de7b2>] entry_SYSCALL_64_fastpath+0x1a/0xa4
[  279.814454] Code: ff ff 03 00 77 25 48 81 fe 00 00 01 00 76 07 0f b7 d6 89
f8 ef c3 55 48 89 f7 48 c7 c6 f2 37 73 81 48 89 e5 e8 54 fe ff ff 5d c3 <89> 3e
c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 81 ff 
[  279.815989] RIP  [<ffffffff81304b2e>] iowrite32+0x2e/0x40
[  279.816741]  RSP <ffff88003e8e7948>
[  279.817490] CR2: ffffc900009d0000
[  279.822806] ---[ end trace ec9eb859880e3d78 ]---

Like accelrtr I cannot switch to VT afterwards.
Should I upload additional logs here or open a new bug?

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