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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #4 from Reuben <reuben.m at gmail.com> ---
Same issue.

Kernel 4.7.4
Mesa 12.0.3

35.241925] resource sanity check: requesting [mem 0xfbfbb000-0xfc020fff], which
spans more than 0000:0a:00.0 [mem 0xfa000000-0xfbffffff 64bit]
[   35.241956] caller nv50_instobj_boot+0x94/0x100 [nouveau] mapping multiple
BARs
[   35.241969] BUG: unable to handle kernel paging request at ffffc900039f0000
[   35.241981] IP: [<ffffffff81478f6b>] iowrite32+0x2b/0x40
[   35.241994] PGD 437025067 PUD 437026067 PMD 432772067 PTE 0
[   35.242001] Oops: 0002 [#1] PREEMPT SMP
[   35.242003] Modules linked in: nf_conntrack_netbios_ns
nf_conntrack_broadcast ip6t_rpfilter xt_conntrack ebtable_nat ebtable_broute
ip6table_nat ip6table_raw ip6table_mangle ip6table_security iptable_nat
iptable_raw iptable_mangle iptable_security ebtable_filter ebtables
hid_logitech_hidpp wacom hid_logitech_dj nouveau snd_hda_codec_realtek
snd_hda_codec_generic k10temp snd_hda_intel snd_hda_codec 8250 snd_hwdep r8169
snd_rme96 snd_hda_core ttm 8250_base i2c_piix4 serial_core mii wmi sch_fq_codel
tipc snd_aloop snd_pcm
[   35.242061] CPU: 2 PID: 1546 Comm: kded4 Not tainted 4.7.4-gentoo #1
[   35.242065] Hardware name: MSI MS-7640/890FXA-GD70 (MS-7640)  , BIOS V1.8
02/24/2011
[   35.242069] task: ffff8803a49e8b80 ti: ffff88039f654000 task.ti:
ffff88039f654000
[   35.242076] RIP: 0010:[<ffffffff81478f6b>]  [<ffffffff81478f6b>]
iowrite32+0x2b/0x40
[   35.242082] RSP: 0018:ffff88039f657a48  EFLAGS: 00010292
[   35.242084] RAX: ffffffffa021ef20 RBX: 0000000000010000 RCX:
0000000000000009
[   35.242088] RDX: ffffc900039f0000 RSI: ffffc900039f0000 RDI:
000000001df13281
[   35.242092] RBP: 000000001df13281 R08: 0000000000000066 R09:
000000001dece000
[   35.242095] R10: ffffffffa0220060 R11: 000000001dece000 R12:
0000000000000000
[   35.242099] R13: 0000000000000008 R14: 0000000000000100 R15:
ffff8804303089c0
[   35.242103] FS:  00007fe55c501800(0000) GS:ffff880447c80000(0000)
knlGS:0000000000000000
[   35.242107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.242110] CR2: ffffc900039f0000 CR3: 00000003a4bfa000 CR4:
00000000000006e0
[   35.242114] Stack:
[   35.242115]  ffffffffa019679b 000000001df33001 ffff8800b788a618
0000000000000010
[   35.242121]  0000000000000000 ffff88040f56af00 0000000000000066
0000000000000000
[   35.242127]  0000000000002021 ffff880433ca3000 0000000000000000
ffff8800b788a618
[   35.242133] Call Trace:
[   35.242148]  [<ffffffffa019679b>] ? nv50_vm_map+0x15b/0x1a0 [nouveau]
[   35.242164]  [<ffffffffa01949ec>] ? nvkm_vm_map_at+0xcc/0x1e0 [nouveau]
[   35.242179]  [<ffffffffa0191bea>] ? nv50_instobj_boot+0xaa/0x100 [nouveau]
[   35.242195]  [<ffffffffa0191b1e>] ? nv50_instobj_acquire+0x3e/0x60 [nouveau]
[   35.242210]  [<ffffffffa0190bce>] ? nvkm_instobj_acquire_slow+0xe/0x20
[nouveau]
[   35.242225]  [<ffffffffa0190f12>] ? nvkm_instobj_new+0x52/0x140 [nouveau]
[   35.242249]  [<ffffffffa015430c>] ? nvkm_memory_new+0x2c/0x60 [nouveau]
[   35.242260]  [<ffffffffa015320f>] ? nvkm_gpuobj_new+0x10f/0x200 [nouveau]
[   35.242271]  [<ffffffffa01528ee>] ? nvkm_engine_ref+0x2e/0x60 [nouveau]
[   35.242284]  [<ffffffffa01c8082>] ? nv50_gr_chan_bind+0x22/0x60 [nouveau]
[   35.242298]  [<ffffffffa01bb984>] ? nvkm_fifo_chan_child_new+0x124/0x240
[nouveau]
[   35.242309]  [<ffffffffa0153ade>] ? nvkm_ioctl_new+0x11e/0x260 [nouveau]
[   35.242321]  [<ffffffffa01fe3b6>] ?
nouveau_abi16_ioctl_notifierobj_alloc+0x1b6/0x2a0 [nouveau]
[   35.242336]  [<ffffffffa01bb860>] ? nvkm_fifo_chan_dtor+0xc0/0xc0 [nouveau]
[   35.242347]  [<ffffffffa01557a0>] ? nvkm_object_new_+0x60/0x60 [nouveau]
[   35.242358]  [<ffffffffa0154117>] ? nvkm_ioctl+0xf7/0x240 [nouveau]
[   35.242371]  [<ffffffffa01ea353>] ? usif_ioctl+0x4f3/0x760 [nouveau]
[   35.242383]  [<ffffffffa01e7761>] ? nouveau_drm_ioctl+0xa1/0xc0 [nouveau]
[   35.242390]  [<ffffffff811b42aa>] ? do_vfs_ioctl+0x8a/0x5a0
[   35.242394]  [<ffffffff8110e6a8>] ? audit_filter_inodes+0xe8/0x100
[   35.242397]  [<ffffffff8110e0c2>] ? audit_filter_syscall+0xa2/0x100
[   35.242401]  [<ffffffff811b482f>] ? SyS_ioctl+0x6f/0x80
[   35.242405]  [<ffffffff81002691>] ? do_syscall_64+0x51/0x100
[   35.242409]  [<ffffffff8193393c>] ? entry_SYSCALL64_slow_path+0x25/0x25
[   35.242412] Code: 48 81 fe ff ff 03 00 48 89 f2 77 1f 48 81 fe 00 00 01 00
76 07 0f b7 d6 89 f8 ef c3 48 c7 c6 0b 81 be 81 48 89 d7 e9 55 fe ff ff <89> 3e
c3 0f 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 
[   35.245837] RIP  [<ffffffff81478f6b>] iowrite32+0x2b/0x40
[   35.245841]  RSP <ffff88039f657a48>
[   35.245843] CR2: ffffc900039f0000
[   35.252148] ---[ end trace a033f52a09912e38 ]---

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