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Memtest86+ only flashing blank screen
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lostinspace2011
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Joined: 09 Sep 2005
Posts: 188

PostPosted: Sat Sep 29, 2012 2:26 am    Post subject: Memtest86+ only flashing blank screen Reply with quote

I am trying to use memtest86+ and have added the following to grub after emerging memtest86+

Code:
title Memtest86+
root (hd0,0)
kernel /boot/memtest86plus/memtest


However on boot-up when selecting this option all I get is a black screen flashing and then the grub menu again. I already tried adding the nofb option, but this didn't resolve this either. Any other suggestions on how to resolve this.
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Mad Merlin
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Joined: 09 May 2005
Posts: 1143

PostPosted: Wed Oct 03, 2012 12:54 am    Post subject: Reply with quote

I ran into memtest not working for me today (in the same way as described above, brief flash of memtest screen, then immediate reboot), I thought it was just because the system had too much memory (64G). The situation is a little different for me though, I boot into memtest image via PXE, and the same image works for lots of other machine, so I assumed it was something hardware specific.

I would be interested to know if you find the issue.
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lostinspace2011
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Joined: 09 Sep 2005
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PostPosted: Sat Oct 06, 2012 6:40 am    Post subject: Reply with quote

Not found anything so far. I have to add I am using mdadm-raid. Maybe memtest can't read deal with this.
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wcg
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Joined: 06 Jan 2009
Posts: 588

PostPosted: Sun Oct 07, 2012 5:12 am    Post subject: Reply with quote

What happens if you run memtest86 from a Gentoo
install cd? (You can select it in place of selecting a
kernel to boot.)
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