[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 #20 from Pasi Kärkkäinen <pasik at iki.fi> ---

I built custom Linux 3.10.6 kernel with the patch from this bug's attachments
(linux-3.9.9-gpu-drm-nouveau-warn-on-node-pages.patch) applied to add WARN_ON()
to nouveau_vma_getmap() and I'm still hitting the same issue when enabling an
output on nouveau gpu, which would lead to a hard kernel crash without the
patch:


[   54.324698] ------------[ cut here ]------------
[   54.324764] WARNING: at drivers/gpu/drm/nouveau/nouveau_bo.c:952
nouveau_vma_getmap.isra.11+0xc1/0xe0 [nouveau]()
[   54.324767] Modules linked in: fuse ebtable_nat ipt_MASQUERADE
nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_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 ebtable_filter
ebtables ip6table_filter ip6_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio
cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm ib_addr iw_cm ib_cm
ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi
rfcomm bnep snd_hda_codec_realtek iTCO_wdt iTCO_vendor_support acpi_cpufreq
mperf coretemp microcode i2c_i801 arc4 snd_hda_intel uvcvideo snd_hda_codec
btusb videobuf2_vmalloc videobuf2_memops bluetooth videobuf2_core videodev
snd_hwdep media snd_seq iwldvm snd_seq_device cdc_mbim mac80211
[   54.324820]  snd_pcm lpc_ich mfd_core snd_page_alloc cdc_ncm usbnet iwlwifi
cdc_wdm mii cdc_acm cfg80211 snd_timer e1000e ptp mei_me mei 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 ttm sdhci_pci i2c_algo_bit sdhci drm_kms_helper mmc_core drm wmi
i2c_core video
[   54.324858] CPU: 0 PID: 1089 Comm: Xorg Not tainted
3.10.6-100.dbg01.fc18.x86_64 #1
[   54.324861] Hardware name: LENOVO 2349H2G/2349H2G, BIOS G1ET93WW (2.53 )
03/08/2013
[   54.324863]  0000000000000009 ffff880316abd808 ffffffff81656006
ffff880316abd848
[   54.324869]  ffffffff8105d660 ffff880316abd858 ffff88032a772458
ffff8803063c0a00
[   54.324873]  ffff8803063c0a40 ffff880316abda58 ffff88032813c170
ffff880316abd858
[   54.324906] Call Trace:
[   54.324939]  [<ffffffff81656006>] dump_stack+0x19/0x1b
[   54.324950]  [<ffffffff8105d660>] warn_slowpath_common+0x70/0xa0
[   54.324957]  [<ffffffff8105d6aa>] warn_slowpath_null+0x1a/0x20
[   54.325002]  [<ffffffffa0229961>] nouveau_vma_getmap.isra.11+0xc1/0xe0
[nouveau]
[   54.325030]  [<ffffffffa01ad94a>] ? _nouveau_gpuobj_wr32+0x2a/0x30 [nouveau]
[   54.325068]  [<ffffffffa0229a06>] nouveau_bo_move_m2mf.isra.12+0x86/0x140
[nouveau]
[   54.325106]  [<ffffffffa01cf633>] ? nouveau_vm_map_at+0x153/0x1c0 [nouveau]
[   54.325146]  [<ffffffffa022a415>] nouveau_bo_move+0xa5/0x400 [nouveau]
[   54.325169]  [<ffffffffa0088e7d>] ttm_bo_handle_move_mem+0x25d/0x630 [ttm]
[   54.325185]  [<ffffffffa0089d90>] ? ttm_bo_mem_space+0x180/0x360 [ttm]
[   54.325200]  [<ffffffffa008a097>] ttm_bo_move_buffer+0x127/0x140 [ttm]
[   54.325224]  [<ffffffffa008a14a>] ttm_bo_validate+0x9a/0x110 [ttm]
[   54.325261]  [<ffffffffa022ac4c>] nouveau_bo_validate+0x1c/0x20 [nouveau]
[   54.325299]  [<ffffffffa022ae7b>] nouveau_bo_pin+0x9b/0x100 [nouveau]
[   54.325307]  [<ffffffff81301d64>] ? snprintf+0x34/0x40
[   54.325348]  [<ffffffffa024da95>] nv50_crtc_mode_set_base+0x55/0xf0
[nouveau]
[   54.325364]  [<ffffffffa006d31b>] drm_crtc_helper_set_config+0x79b/0xb60
[drm_kms_helper]
[   54.325396]  [<ffffffffa003640e>] drm_mode_set_config_internal+0x2e/0x60
[drm]
[   54.325420]  [<ffffffffa0038a0b>] drm_mode_setcrtc+0xfb/0x620 [drm]
[   54.325428]  [<ffffffff81658fcd>] ? mutex_lock+0x1d/0x50
[   54.325449]  [<ffffffffa0029479>] drm_ioctl+0x549/0x680 [drm]
[   54.325474]  [<ffffffffa0038910>] ? drm_mode_setplane+0x3b0/0x3b0 [drm]
[   54.325485]  [<ffffffff811af2a7>] do_vfs_ioctl+0x97/0x580
[   54.325494]  [<ffffffff81296daa>] ?
inode_has_perm.isra.33.constprop.63+0x2a/0x30
[   54.325501]  [<ffffffff81298367>] ? file_has_perm+0x97/0xb0
[   54.325508]  [<ffffffff8119fca5>] ? __sb_end_write+0x35/0x70
[   54.325514]  [<ffffffff811af821>] SyS_ioctl+0x91/0xb0
[   54.325524]  [<ffffffff81664659>] system_call_fastpath+0x16/0x1b
[   54.325528] ---[ end trace d7d4b0036de28fa5 ]---

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