kernel paging request at iowrite32

Submitted by Germano Massullo @germano

Assigned to Nouveau Project

Link to original bug (#98654)

Description

This is the upstream bugreport clone of
https://bugzilla.redhat.com/show_bug.cgi?id=1343242
I attach only the first comment, for more information please see the previous URL

================================
Additional info:
reporter: libreport-2.7.1
BUG: unable to handle kernel paging request at ffffc90000eb0000
IP: [<ffffffff813ec9ce>] iowrite32+0x2e/0x40
PGD 1b90a0067 PUD 1b90a1067 PMD bb976067 PTE 0
Oops: 0002 [#1] SMP
Modules linked in: bnep nfnetlink_queue nfnetlink_log bluetooth rfkill xfs fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_raw iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_security iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables rc_dib0700_rc5 dib7000p raid456 async_raid6_recov async_memcpy async_pq async_xor xor async_tx raid6_pq coretemp kvm_intel kvm iTCO_wdt gpio_ich iTCO_vendor_support snd_hda_codec_analog snd_hda_codec_generic irqbypass dvb_pll cx22702 cx88_dvb cx88_vp3054_i2c videobuf2_dvb
ir_lirc_codec lirc_dev dvb_usb_dib0700 rc_cinergy_1400 dib7000m dib0090 dib0070 dib3000mc dibx000_common dvb_usb i2c_i801 dvb_core dm_thin_pool dm_persistent_data dm_bio_prison libcrc32c joydev cx8800 cx8802 cx88xx snd_hda_intel videobuf2_dma_sg tveeprom videobuf2_memops videobuf2_v4l2 snd_hda_codec videobuf2_core rc_core v4l2_common snd_hda_core videodev snd_hwdep snd_seq media snd_seq_device lpc_ich snd_pcm snd_timer snd asus_atk0110 soundcore shpchp acpi_cpufreq tpm_tis tpm binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ata_generic pata_acpi nouveau video mxm_wmi wmi i2c_algo_bit drm_kms_helper serio_raw ttm firewire_ohci firewire_core skge crc_itu_t drm hid_logitech uas ff_memless usb_storage pata_jmicron fjes
CPU: 1 PID: 10062 Comm: multiqueue24:sr Not tainted 4.5.5-300.fc24.x86_64 #1
Hardware name: System manufacturer System Product Name/P5B-Deluxe, BIOS 1238 09/30/2008
task: ffff8801a28bba80 ti: ffff88010ee74000 task.ti: ffff88010ee74000
RIP: 0010:[<ffffffff813ec9ce>] [<ffffffff813ec9ce>] iowrite32+0x2e/0x40
RSP: 0018:ffff88010ee77948 EFLAGS: 00010292
RAX: ffffffffa0205100 RBX: 0000000000010000 RCX: 0000000000000009
RDX: 000000001dfc5201 RSI: ffffc90000eb0000 RDI: 000000001dfc5201
RBP: ffff88010ee77950 R08: 0000000000000100 R09: 000000001deda000
R10: ffff8801a49ca800 R11: 000000001deda000 R12: 0000000000000000
R13: 000000001dfc5201 R14: 0000000000000080 R15: ffff880036a65340
FS: 00007ff0a66ea700(0000) GS:ffff8801bfc80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000eb0000 CR3: 00000000a6bd1000 CR4: 00000000000006e0
Stack:
ffffffffa0174494 ffff88010ee779a8 ffffffffa017a1c6 ffff8801a49ca800
ffff8800a7426258 000000001dfd5001 0000002800000000 0000000000000100
0000000000000000 0000000000002015 ffff8801b5d6f600 ffff8800a7426258
Call Trace:
[<ffffffffa0174494>] ? nvkm_instobj_wr32+0x14/0x20 [nouveau]
[<ffffffffa017a1c6>] nv50_vm_map+0x156/0x1a0 [nouveau]
[<ffffffffa017833d>] nvkm_vm_map_at+0xdd/0x1d0 [nouveau]
[<ffffffffa017521b>] nv50_instobj_map+0x1b/0x20 [nouveau]
[<ffffffffa0175482>] nv50_instobj_boot+0xc2/0x120 [nouveau]
[<ffffffffa017539b>] nv50_instobj_acquire+0x4b/0x70 [nouveau]
[<ffffffffa01743c7>] nvkm_instobj_acquire_slow+0x17/0x30 [nouveau]
[<ffffffffa017473a>] nvkm_instobj_new+0x6a/0x170 [nouveau]
[<ffffffffa01363f4>] nvkm_memory_new+0x44/0x80 [nouveau]
[<ffffffffa0178e7f>] nvkm_vm_get+0x15f/0x250 [nouveau]
[<ffffffffa01d1b00>] nouveau_bo_vma_add+0x30/0x90 [nouveau]
[<ffffffffa01e34a9>] nouveau_channel_prep+0x1d9/0x2a0 [nouveau]
[<ffffffffa01e35c7>] nouveau_channel_new+0x57/0x6e0 [nouveau]
[<ffffffffa0133a2d>] ? nvif_device_init+0x2d/0x30 [nouveau]
[<ffffffff8121ab52>] ? kmem_cache_alloc_trace+0x1c2/0x1d0
[<ffffffffa01e2736>] nouveau_abi16_ioctl_channel_alloc+0xd6/0x2c0 [nouveau]
[<ffffffffa0050712>] drm_ioctl+0x152/0x540 [drm]
[<ffffffffa01e2660>] ? nouveau_abi16_ioctl_setparam+0x10/0x10 [nouveau]
[<ffffffffa01cb144>] nouveau_drm_ioctl+0x74/0xc0 [nouveau]
[<ffffffff81256183>] do_vfs_ioctl+0xa3/0x5d0
[<ffffffff81256729>] SyS_ioctl+0x79/0x90
[<ffffffff817cecee>] entry_SYSCALL_64_fastpath+0x12/0x6d
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 52 84 aa 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
RIP [<ffffffff813ec9ce>] iowrite32+0x2e/0x40
RSP <ffff88010ee77948>