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Bug#920547: Crashes every few hours



Control: tag -1 moreinfo

On Sat, 26 Jan 2019 20:03:49 +0000 Toni <toni@debian.org> wrote:
> Package: src:linux
> Version: 4.19.16-1
> Severity: critical
> File: linux-image-4.19.0-2-amd64

Is this a new problem with version 4.19.16-1?  Or did it happen with
earlier versions as well?

> my laptop lasts a few hours at most until becoming unresponsive, hot,
> and refuses to do normal things. Eg. trying to create this bug report
> and using sudo to read the kernel logs after about one hour of total
> uptime, with two suspend/resume cycles in between, made the system
> crash. "Crash" means that, in such a situation, I can only press the
> power button until the system is completely off, but after that, I am
> forced to immediately turn the system back on, so that the fans can do
> their work, because otherwise, the CPU overheats. Pressing
> Ctrl-Alt-Delete has no effect.
> 
> Justification for "grave": I've experienced data loss in such
> situations, and of course, having the entire system going down, with
> potential hardware damage (sans human intervention) is probably as bad
> as it can be.

When you say "data loss", are you talking about data in memory or
corruption of files that were saved and sync'd to disk?

On x86 laptops thermal management is (by default) done by the system
firmware (BIOS and management engine code).  If you didn't override
that, and yet the CPU overheats, this is the manufacturer's fault.

Ben.

> I've attached the dmesg from boot and some kernel logs for your perusal,
> cleansed from private data.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                         - Albert Camus


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