Bug 1463504 - kernel oops in intel i915 driver - intel_dp_common_rates
kernel oops in intel i915 driver - intel_dp_common_rates
Status: NEW
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-intel (Show other bugs)
25
x86_64 Linux
unspecified Severity high
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Assigned To: Adam Jackson
Fedora Extras Quality Assurance
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2017-06-21 03:11 EDT by Stefan Assmann
Modified: 2017-06-21 11:38 EDT (History)
10 users (show)

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Attachments (Terms of Use)
dmesg.txt (83.73 KB, text/plain)
2017-06-21 03:11 EDT, Stefan Assmann
no flags Details

  None (edit)
Description Stefan Assmann 2017-06-21 03:11:47 EDT
Created attachment 1289959 [details]
dmesg.txt

Description of problem:
After locking the screen the display went to standby mode and would not wake up again.
The following was in the log
[386281.941185] BUG: unable to handle kernel NULL pointer dereference at 0000000000000056
[386281.941270] IP: intel_dp_common_rates+0x1b/0xe0 [i915]
[386281.941293] PGD 0·

[386281.941316] Oops: 0000 [#1] SMP
[386281.941332] Modules linked in: veth xt_CHECKSUM tun rfcomm fuse ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_addrtype br_netfilter ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack overlay ip_set nfnetlink ebtable_broute bridge ebtable_nat ip6table_raw ip6table_mangle ip6table_security ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 iptable_raw iptable_mangle iptable_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep vfat fat arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iTCO_wdt iwlmvm iTCO_vendor_support mei_wdt uvcvideo kvm videobuf2_vmalloc snd_hda_codec_realtek snd_hda_codec_hdmi mac80211 snd_hda_codec_generic videobuf2_memops videobuf2_v4l2 videobuf2_core
[386281.941599]  btusb irqbypass snd_hda_intel btrtl btbcm intel_cstate videodev btintel intel_uncore snd_hda_codec intel_rapl_perf iwlwifi i2c_i801 media joydev bluetooth snd_hda_core snd_hwdep snd_seq snd_seq_deviceie31200_edac cfg80211 snd_pcm lpc_ich thinkpad_acpi snd_timer snd mei_me rfkill edac_core soundcore mei tpm_tis tpm_tis_core shpchp tpm nfsd binfmt_misc auth_rpcgss nfs_acl lockd grace dm_crypt 8021q garp stp llc mrp i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel e1000e drm ghash_clmulni_intel sdhci_pci sdhci serio_raw mmc_core ptp pps_core wmi target_core_mod video sunrpc scsi_transport_iscsi
[386281.941823] CPU: 3 PID: 1988 Comm: gnome-shell Not tainted 4.11.4-200.fc25.x86_64 #1
[386281.941853] Hardware name: LENOVO 20EGS0R60P/20EGS0R60P, BIOS GNET73WW (2.21 ) 03/12/2015
[386281.941884] task: ffff94aa27232580 task.stack: ffffafab827d0000
[386281.941932] RIP: 0010:intel_dp_common_rates+0x1b/0xe0 [i915]
[386281.941956] RSP: 0018:ffffafab827d3be0 EFLAGS: 00010282
[386281.941979] RAX: 0000000000000000 RBX: ffff94aa21e02200 RCX: 0000000000000303
[386281.942007] RDX: 000000000000000c RSI: ffffafab827d3c20 RDI: 0000000000000000
[386281.942035] RBP: ffffafab827d3c10 R08: 000000000001ca80 R09: ffffffffc02bb317
[386281.942063] R10: fffff8e845e16000 R11: 0000000000000000 R12: 0000000000000000
[386281.942091] R13: 0000000000000058 R14: ffffafab827d3c20 R15: ffff94aa2263c000
[386281.942120] FS:  00007f633064eac0(0000) GS:ffff94aa3e2c0000(0000) knlGS:0000000000000000
[386281.942152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[386281.942175] CR2: 0000000000000056 CR3: 000000046a0dd000 CR4: 00000000001426e0
[386281.942204] Call Trace:
[386281.942241]  intel_dp_max_link_rate+0x45/0x90 [i915]
[386281.942283]  intel_dp_mst_mode_valid+0x2a/0x90 [i915]
[386281.942310]  drm_helper_probe_single_connector_modes+0x480/0x550 [drm_kms_helper]
[386281.942353]  drm_mode_getconnector+0x31f/0x360 [drm]
[386281.942383]  ? drm_mode_object_unreference+0x49/0x80 [drm]
[386281.942414]  drm_ioctl+0x218/0x4b0 [drm]
[386281.942441]  ? drm_mode_connector_property_set_ioctl+0x60/0x60 [drm]
[386281.942481]  ? nfsd_cross_mnt+0x7/0x180 [nfsd]
[386281.942507]  do_vfs_ioctl+0xa3/0x5f0
[386281.942529]  ? __do_page_fault+0x266/0x4e0
[386281.942552]  SyS_ioctl+0x79/0x90
[386281.942572]  entry_SYSCALL_64_fastpath+0x1a/0xa9
[386281.942597] RIP: 0033:0x7f63252d76a7
[386281.942616] RSP: 002b:00007ffcc694eef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[386281.942652] RAX: ffffffffffffffda RBX: 0000561ddb5eb7b0 RCX: 00007f63252d76a7
[386281.942685] RDX: 00007ffcc694ef30 RSI: 00000000c05064a7 RDI: 0000000000000008
[386281.944046] RBP: 00007f632559aae0 R08: 0000561ddb5eb7a0 R09: 0000561ddb5d7c00
[386281.945361] R10: 0000561ddb5ead20 R11: 0000000000000246 R12: 0000000000000002
[386281.946486] R13: 0000000000000003 R14: 0000000000000000 R15: 0000561ddb550830
[386281.947642] Code: c9 c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 41 5541 54 53 49 89 f6 4c 8d 6f 58 48 83 ec 10 <0f> b6 5f 56 65 48 8b 04 25 28 00 00 00 48 89 45 d8 31 c0 84 db·
[386281.950028] RIP: intel_dp_common_rates+0x1b/0xe0 [i915] RSP: ffffafab827d3be0
[386281.951182] CR2: 0000000000000056

Version-Release number of selected component (if applicable):
4.11.4-200.fc25.x86_64

How reproducible:
happened once

Steps to Reproduce:
1. lock screen so display goes to standby

Actual results:
kernel oops

Expected results:
no oops

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