[kernel-bugs] [Bug 1174868] New: Upgrade to LEAP 15.2 makes Thinkpad 480s sometimes completely freezes, 20°C warmer and journal is trimmed
http://bugzilla.opensuse.org/show_bug.cgi?id=1174868 Bug ID: 1174868 Summary: Upgrade to LEAP 15.2 makes Thinkpad 480s sometimes completely freezes, 20°C warmer and journal is trimmed Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.2 Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: markus.zimmermann@symflower.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- One of our machines here a Thinkpad T480s on openSUSE 15.2 kernel 5.3.18-lp152.33-default. In general this machine was upgraded from LEAP 15.1 to 15.2 and then the problems started to show. The CPU is constantly hotter while working. by 20°C. This machine now freezes sometimes completely. The machine is then - not pingable - no keyboard interaction works - lid close/open does nothng - no mouse interaction works - the notebook is really warm - When a freeze happens also a trim of the journal happens... e.g. we loose the whole journal for the day. - We SSH'ed into the machine and watched via "htop", "journal -f" and "sensors". WHen the machine freezes, there is no significant load via htop seeable, there are no interesting logs in journal and sensors shows that it is simply hotter. Interestingly, we upgraded another machine before (also a Thinkpad T480s) and this does not have any problems. We are btw on the latest firmwares using fwupdmgr. What should we try? How can we debug it? -- You are receiving this mail because: You are the assignee for the bug.
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--- Comment #2 from Markus Zimmermann
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Markus Zimmermann
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--- Comment #5 from Markus Zimmermann
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--- Comment #6 from Markus Zimmermann
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--- Comment #7 from Markus Zimmermann
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--- Comment #8 from Markus Zimmermann
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--- Comment #10 from Markus Zimmermann
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--- Comment #12 from Markus Zimmermann
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--- Comment #13 from Takashi Iwai
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--- Comment #14 from Markus Zimmermann
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--- Comment #15 from Takashi Iwai
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--- Comment #16 from Markus Zimmermann
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--- Comment #17 from Takashi Iwai
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Takashi Iwai
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--- Comment #19 from Markus Zimmermann
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--- Comment #20 from Markus Zimmermann
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--- Comment #21 from Takashi Iwai
Since I never used kdump: can you recommend a tutorial/documentation?
https://doc.opensuse.org/documentation/leap/tuning/html/book.sle.tuning/cha-... Better to disable Secure Boot for enabling this feature, too. -- You are receiving this mail because: You are the assignee for the bug.
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--- Comment #22 from Takashi Iwai
If you have any commands that we should run so you have more info, please let me know. I still do not know what the difference between our Thinkpad T480s is and why the Thinkpad T490 ones are not affected.
FYI, we've had a report about T490 crash (also a hard one without trace), too, so it can't be excluded. But T490 has a totally different chip set, AFAIK, hence it's no wonder that the problem may hit only on T480. -- You are receiving this mail because: You are the assignee for the bug.
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--- Comment #26 from Markus Zimmermann
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Markus Zimmermann
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