[Bug 1085806] New: [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training - openSUSE Bugs - openSUSE Mailing Lists

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[Bug 1085806] New: [drm:intel_dp_start_link_train [i915]] ERROR failed to enable link training

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bugzilla_noreply＠novell.com

19 Mar 2018 19 Mar '18

09:38

http://bugzilla.suse.com/show_bug.cgi?id=1085806 Bug ID: 1085806 Summary: [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training Classification: openSUSE Product: openSUSE Distribution Version: Leap 42.3 Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: jnwang@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- uname -r 4.4.120-8.g7186d16-default [12134.670905] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training [12134.755941] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start channel equalization [12134.837753] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS. [12135.307256] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS. [12197.851460] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS. [12198.225571] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS. [12213.764182] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS. -- You are receiving this mail because: You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

19 Mar 19 Mar

09:54

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c1 Takashi Iwai changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jnwang@suse.com, | |tiwai@suse.com Flags| |needinfo?(jnwang@suse.com) --- Comment #1 from Takashi Iwai --- Hardware details please? Without that, the report is almost useless :) Also, do you install drm-kmp-default? If yes, and your hardware isn't the recent one (older than Skylake), try to uninstall drm-kmp-default and retest. -- You are receiving this mail because: You are on the CC list for the bug.

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10:16

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c2 --- Comment #2 from James Wang --- Created attachment 764084 --> http://bugzilla.suse.com/attachment.cgi?id=764084&action=edit hwinfo My laptop is ThinkPad X250. Haswell, I think. Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 61 Model name: Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz Stepping: 4 CPU MHz: 3135.977 CPU max MHz: 3200.0000 CPU min MHz: 500.0000 BogoMIPS: 5187.76 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 4096K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb invpcid_single pln pts dtherm intel_pt stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt -- You are receiving this mail because: You are on the CC list for the bug.

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10:19

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c3 --- Comment #3 from James Wang --- And I don't see it on previous kernel, actually 4.4.120-xxxx is not a official release. I just use http://download.opensuse.org/repositories/Kernel:/openSUSE-42.3/standard/ And I encounter this issue on this kernel: vmlinuz-4.16.0-rc5-1.g0dfffad-default http://download.opensuse.org/repositories/Kernel:/HEAD/standard/ -- You are receiving this mail because: You are on the CC list for the bug.

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10:42

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c4 --- Comment #4 from Takashi Iwai --- And you're not using drm-kmp in both old and new kernels, right? Please check it at first. If so, and the issue is seen on 4.16-rc, it's likely a regression in the upstream and that was taken to 4.4.x stable. Please report it to upstream, bugzilla.freedesktop.org. -- You are receiving this mail because: You are on the CC list for the bug.

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11:45

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c5 --- Comment #5 from James Wang --- (In reply to Takashi Iwai from comment #4)

And you're not using drm-kmp in both old and new kernels, right? Please check it at first.

Actually, Trying it............first...... I delete drm-kmp since you said, at least now, dmesg is clean.

If so, and the issue is seen on 4.16-rc, it's likely a regression in the upstream and that was taken to 4.4.x stable. Please report it to upstream, bugzilla.freedesktop.org.

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12:39

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c6 --- Comment #6 from Takashi Iwai --- (In reply to James Wang from comment #5)

(In reply to Takashi Iwai from comment #4)

...
And you're not using drm-kmp in both old and new kernels, right? Please check it at first.

Actually, Trying it............first...... I delete drm-kmp since you said, at least now, dmesg is clean.

Hm, so this is only with drm-kmp? Then better to add zypper lock not to drag this package any longer. zypper al drm-kmp-default

...
If so, and the issue is seen on 4.16-rc, it's likely a regression in the upstream and that was taken to 4.4.x stable. Please report it to upstream, bugzilla.freedesktop.org.

And this still holds, even if it's not a recent regression. Without reporting to upstream, there will be no fix, after all... -- You are receiving this mail because: You are on the CC list for the bug.

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12:46

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c7 --- Comment #7 from James Wang --- (In reply to Takashi Iwai from comment #6)

(In reply to James Wang from comment #5)

...
(In reply to Takashi Iwai from comment #4)

...
And you're not using drm-kmp in both old and new kernels, right? Please check it at first.

Actually, Trying it............first...... I delete drm-kmp since you said, at least now, dmesg is clean.

Hm, so this is only with drm-kmp? Then better to add zypper lock not to drag this package any longer.

zypper al drm-kmp-default

got it. Remove it whether will impact performance ?

...
...
If so, and the issue is seen on 4.16-rc, it's likely a regression in the upstream and that was taken to 4.4.x stable. Please report it to upstream, bugzilla.freedesktop.org.

And this still holds, even if it's not a recent regression. Without reporting to upstream, there will be no fix, after all...

en.......ok, -- You are receiving this mail because: You are on the CC list for the bug.

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13:09

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c8 --- Comment #8 from Takashi Iwai --- (In reply to James Wang from comment #7)

(In reply to Takashi Iwai from comment #6)

...
(In reply to James Wang from comment #5)

...
(In reply to Takashi Iwai from comment #4)

...
And you're not using drm-kmp in both old and new kernels, right? Please check it at first.

Actually, Trying it............first...... I delete drm-kmp since you said, at least now, dmesg is clean.

Hm, so this is only with drm-kmp? Then better to add zypper lock not to drag this package any longer.

zypper al drm-kmp-default

got it. Remove it whether will impact performance ?

Not really. -- You are receiving this mail because: You are on the CC list for the bug.

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11 Jul 11 Jul

11:28

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c9 Tomáš Chvátal changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |WONTFIX --- Comment #9 from Tomáš Chvátal --- This is automated batch bugzilla cleanup. The openSUSE 42.3 changed to end-of-life (EOL [1]) status. As such it is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of openSUSE (At this moment openSUSE Leap 15.1, 15.0 and Tumbleweed) please feel free to reopen this bug against that version (!you must update the "Version" component in the bug fields, do not just reopen please), or alternatively create a new ticket. Thank you for reporting this bug and we are sorry it could not be fixed during the lifetime of the release. [1] https://en.opensuse.org/Lifetime -- You are receiving this mail because: You are on the CC list for the bug.

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9 Dec 9 Dec

02:47

New subject: [Bug 1085806] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training

http://bugzilla.suse.com/show_bug.cgi?id=1085806 http://bugzilla.suse.com/show_bug.cgi?id=1085806#c10 James Wang changed: What |Removed |Added ---------------------------------------------------------------------------- Flags|needinfo?(jnwang@suse.com) | --- Comment #10 from James Wang --- Bug is closed. Clear needinfo flag -- You are receiving this mail because: You are on the CC list for the bug.

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