[Nouveau] bad things happened, 4.4-rc3, nve7, virgl test server

[Ilia Mirkin]

On Sat, Dec 5, 2015 at 3:12 AM, Dave Airlie <airlied at gmail.com> wrote:
> [ 6047.734850] lt-virgl_test_s[21395]: segfault at 249872ff8 ip
> 00000031ed68378d sp 00007ffe2cde9a30 error 4 in
> libc-2.21.so[31ed600000+1b7000]
> [ 6048.800654] lt-virgl_test_s[21415]: segfault at 24b887708 ip
> 00007f711e7038a7 sp 00007ffe2cde9a80 error 6 in
> nouveau_dri.so[7f711e4b9000+847000]

I'd definitely be a at least a little interested if you could provide
me with a backtrace for this one.

> [ 6050.782309] BUG: unable to handle kernel paging request at ffffc90002378000
> [ 6050.782330] IP: [<ffffffff813d7dce>] iowrite32+0x2e/0x40
> [ 6050.782341] PGD 45e899067 PUD 45e89a067 PMD 45708c067 PTE 0
> [ 6050.782352] Oops: 0002 [#1] SMP
> [ 6050.782360] Modules linked in: fuse xt_CHECKSUM ipt_MASQUERADE
> nf_nat_masquerade_ipv4 tun ccm ip6t_REJECT nf_reject_ipv6 xt_conntrack
> ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables
> ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6
> ip6table_mangle ip6table_security ip6table_raw ip6table_filter
> ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4
> nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw joydev
> bcm5974 nls_utf8 hfsplus arc4 b43 ssb mac80211 cfg80211 rfkill
> snd_hda_codec_hdmi applesmc snd_hda_codec_cirrus snd_hda_codec_generic
> input_polldev snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core bcma
> x86_pkg_temp_thermal thunderbolt coretemp kvm_intel sbs kvm irqbypass
> sbshc crc32c_intel snd_pcm snd_timer apple_gmux lpc_ich snd mfd_core
> soundcore
> [ 6050.782523]  i2c_i801 apple_bl pcspkr sdhci_pci nouveau sdhci
> mxm_wmi mmc_core wmi i915 ttm i2c_algo_bit drm_kms_helper drm i2c_core
> video
> [ 6050.782557] CPU: 4 PID: 21479 Comm: lt-virgl_test_s Not tainted
> 4.4.0-rc3+ #44
> [ 6050.782566] Hardware name: Apple Inc.
> MacBookPro10,1/Mac-C3EC7CD22292981F, BIOS
> MBP101.88Z.00EE.B02.1208081132 08/08/2012
> [ 6050.782575] task: ffff8803b0212540 ti: ffff88007c3cc000 task.ti:
> ffff88007c3cc000
> [ 6050.782583] RIP: 0010:[<ffffffff813d7dce>]  [<ffffffff813d7dce>]
> iowrite32+0x2e/0x40
> [ 6050.782593] RSP: 0018:ffff88007c3cfaf0  EFLAGS: 00010292
> [ 6050.782598] RAX: ffff880457d7f370 RBX: 0000000000008004 RCX: ffff880457322518
> [ 6050.782606] RDX: 0000000000000010 RSI: ffffc90002378000 RDI: 0000000000000010
> [ 6050.782613] RBP: ffff88007c3cfaf8 R08: ffff88007c3cfab0 R09: ffffffffa0337080
> [ 6050.782619] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880443c22000
> [ 6050.782627] R13: ffff880089d06400 R14: 0000000000001001 R15: ffff880456e28c40
> [ 6050.782634] FS:  00007f711f3c7700(0000) GS:ffff88046f300000(0000)
> knlGS:0000000000000000
> [ 6050.782642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 6050.782648] CR2: ffffc90002378000 CR3: 0000000067fd2000 CR4: 00000000001406e0
> [ 6050.782655] Stack:
> [ 6050.782658]  ffffffffa02a8634 ffff88007c3cfb80 ffffffffa02cfe28
> 0000000000000000
> [ 6050.782670]  ffff880457322028 0000000000000007 ffff880457322000
> ffff880457322518
> [ 6050.782682]  ffff8803b0212d10 ffff88007c3cfb70 ffffffff810f4fef
> ffff8803b0212540
> [ 6050.782695] Call Trace:
> [ 6050.782730]  [<ffffffffa02a8634>] ? nvkm_instobj_wr32+0x14/0x20 [nouveau]
> [ 6050.787479]  [<ffffffffa02cfe28>]
> gk104_fifo_runlist_update+0xd8/0x2b0 [nouveau]

This is most likely helped by

http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=e94867173e1ca254c30b12f9859f00c990268abb

Cheers,

  -ilia