[Nouveau] [Bug 64774] nouveau GF108 kernel crash in optimus mode when enabling external display output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64774

--- Comment #15 from Pasi Kärkkäinen <pasik at iki.fi> ---

xrandr not working if booted with DVI cable connected doesn't seem to be the
case *always*.. it's seems to be a bit random. one boot out of 10, or so, I'm
able to see the nouveau connectors on xrandr, so I'm able to try to enable
them, and thus hit the warn_on in the patch I added to the kernel. So here
goes:

[  168.514913] ------------[ cut here ]------------
[  168.514954] WARNING: at drivers/gpu/drm/nouveau/nouveau_bo.c:952
nouveau_vma_getmap.isra.11+0xc1/0xe0 [nouveau]()
[  168.514956] Hardware name: 2349H2G
[  168.514957] Modules linked in: fuse ebtable_nat ipt_MASQUERADE
nf_conntrack_netbios_ns nf_conntrack_broadcast ip6
table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat
nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack
_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack be2iscsi iscsi_boot_sysfs bnx2i
ebtable_filter cnic ebtables uio ip6t
able_filter cxgb4i cxgb4 ip6_tables cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm
ib_addr iw_cm ib_cm ib_sa ib_mad ib_c
ore iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi rfcomm bnep
snd_hda_codec_realtek iTCO_wdt iTCO_vendor_support arc4 iwldvm acpi_cpufreq
mac80211 mperf coretemp uvcvideo microcode snd_hda_intel videobuf2_vmalloc
snd_hda_codec i2c_i801 videobuf2_memops snd_hwdep videobuf2_core snd_seq
iwlwifi snd_seq_device videodev cdc_mbim btusb snd_pcm
[  168.514987]  media bluetooth cfg80211 cdc_ncm usbnet cdc_wdm cdc_acm mii
lpc_ich e1000e mfd_core snd_page_alloc snd_timer mei ptp thinkpad_acpi pps_core
snd soundcore rfkill vhost_net tun macvtap macvlan kvm_intel kvm uinput
dm_crypt crc32_pclmul crc32c_intel nouveau i915 ghash_clmulni_intel mxm_wmi
sdhci_pci i2c_algo_bit sdhci ttm drm_kms_helper mmc_core drm i2c_core wmi video
[  168.515008] Pid: 914, comm: Xorg Not tainted 3.9.9-201.dbg01.fc18.x86_64 #1
[  168.515009] Call Trace:
[  168.515017]  [<ffffffff8105efc5>] warn_slowpath_common+0x75/0xa0
[  168.515019]  [<ffffffff8105f00a>] warn_slowpath_null+0x1a/0x20
[  168.515036]  [<ffffffffa020d801>] nouveau_vma_getmap.isra.11+0xc1/0xe0
[nouveau]
[  168.515046]  [<ffffffffa019292a>] ? _nouveau_gpuobj_wr32+0x2a/0x30 [nouveau]
[  168.515062]  [<ffffffffa020d8a6>] nouveau_bo_move_m2mf.isra.12+0x86/0x140
[nouveau]
[  168.515077]  [<ffffffffa01b6b23>] ? nouveau_vm_map_at+0x153/0x1c0 [nouveau]
[  168.515092]  [<ffffffffa020e2aa>] nouveau_bo_move+0x9a/0x400 [nouveau]
[  168.515100]  [<ffffffffa007ee15>] ttm_bo_handle_move_mem+0x245/0x610 [ttm]
[  168.515106]  [<ffffffffa007fd00>] ? ttm_bo_mem_space+0x180/0x360 [ttm]
[  168.515112]  [<ffffffffa007fff7>] ttm_bo_move_buffer+0x117/0x130 [ttm]
[  168.515116]  [<ffffffff8122b1fa>] ? ext4_dirty_inode+0x5a/0x70
[  168.515125]  [<ffffffffa00800aa>] ttm_bo_validate+0x9a/0x110 [ttm]
[  168.515140]  [<ffffffffa020eb1c>] nouveau_bo_validate+0x1c/0x20 [nouveau]
[  168.515155]  [<ffffffffa020ed4b>] nouveau_bo_pin+0x9b/0x100 [nouveau]
[  168.515158]  [<ffffffff8130c6b4>] ? snprintf+0x34/0x40
[  168.515173]  [<ffffffffa0231b25>] nv50_crtc_mode_set_base+0x55/0xf0
[nouveau]
[  168.515180]  [<ffffffffa007320b>] drm_crtc_helper_set_config+0x77b/0xb30
[drm_kms_helper]
[  168.515194]  [<ffffffffa003c76e>] drm_mode_set_config_internal+0x2e/0x60
[drm]
[  168.515204]  [<ffffffffa003eecc>] drm_mode_setcrtc+0x10c/0x570 [drm]
[  168.515208]  [<ffffffff8165f88d>] ? mutex_lock+0x1d/0x50
[  168.515217]  [<ffffffffa002f483>] drm_ioctl+0x4d3/0x580 [drm]
[  168.515220]  [<ffffffff81166dc5>] ? mmap_region+0x1c5/0x590
[  168.515230]  [<ffffffffa003edc0>] ? drm_mode_setplane+0x3b0/0x3b0 [drm]
[  168.515234]  [<ffffffff811b1a97>] do_vfs_ioctl+0x97/0x580
[  168.515238]  [<ffffffff812a185a>] ?
inode_has_perm.isra.32.constprop.62+0x2a/0x30
[  168.515240]  [<ffffffff812a2ee7>] ? file_has_perm+0x97/0xb0
[  168.515243]  [<ffffffff811b2011>] sys_ioctl+0x91/0xb0
[  168.515247]  [<ffffffff8166afd9>] system_call_fastpath+0x16/0x1b
[  168.515249] ---[ end trace 951f146548a30c98 ]---

I'll also attach the whole dmesg.

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