Date: Thu, 22 Oct 2015 17:14:08 +0200 From: Andrea Venturoli <ml@netfence.it> To: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> Cc: Ernie Luzar <luzar722@gmail.com>, "questions@freebsd.org" <questions@freebsd.org> Subject: Re: Spontaneous reboots with splash Message-ID: <5628FD40.1030701@netfence.it> In-Reply-To: <CAOgwaMvH5RbAghKCrhWQ7B=8TUVBxoeAXtrQHGK8qWkwCyXUsg@mail.gmail.com> References: <5627D8B8.7030901@netfence.it> <5628CD2B.2000902@gmail.com> <5628CFA7.6040704@netfence.it> <CAOgwaMvH5RbAghKCrhWQ7B=8TUVBxoeAXtrQHGK8qWkwCyXUsg@mail.gmail.com>
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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. > 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. > - memory management chips are working correctly . I have no idea how to check. How do I do this? > Another problem may be a program which is causing generation of an > invalid address showing boot start code and jumping into it . This is > very easy for a i386 real mode program . In that case this program would be FreeBSD! That's why I'm asking here. > 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??? bye & Thanks av.
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