Spontaneous reboots with splash
Lowell Gilbert
freebsd-questions-local at be-well.ilk.org
Fri Oct 23 03:29:16 UTC 2015
Andrea Venturoli <ml at netfence.it> writes:
> On 10/22/15 14:18, Mehmet Erol Sanliturk wrote:
>
>> If you have two identical computers with the same programs running :
>> One is working correctly , but other one is booting arbitrarily :
>
> I've got another identical box; I'll restore a dump on this and see if
> the behaviour is the same.
That will establish if the issues are hardware, certainly.
>> Therefore , there is a necessity to check that
>> - processor is working correctly
> CPU Burn-in says yes.
>
>> - memories are working correctly
> Memtest 86+ says so.
Those are checking the main system, not the graphics subsystem. If this
is a hardware problem, it's far more likely to be in the graphics memory
or the graphics processor.
>> Another possibility is that a program is broken ( contains an invalid address )
>> in HDD . When it starts to working , it jumps to that broken
>> address and this may start the boot .
>
> Would a userland program be allowed to do this???
No, but splash(4) is part of the kernel, so it would be allowed to do that.
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