linux-kernel - Re: 4.2.0-rc6+: Boot crash on IBM X346

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Message-ID: <alpine.LRH.2.20.1508182138590.24742@math.ut.ee>
Date:	Tue, 18 Aug 2015 21:41:04 +0300 (EEST)
From:	Meelis Roos <mroos@...ux.ee>
To:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 4.2.0-rc6+: Boot crash on IBM X346

> > IBM Xseries 346, 2x Xeon 3.2 HT 64-bit (4 threads total, P4 era Xeon), 
> > 5G RAM. All kernels so far worked fine, last working one was 
> > 4.2.0-rc2-00077-gf760b87. First kernel tested after that was 
> > v4.2-rc6-20-g7a834ba and that one crashes on boot.
> 
> Same crash happens in 4.2.0-rc7.
[...]
> Will try to bisect, slowly as I have no remote management on that 
> server.

Good news - the problem was local, some file was corrupted after a power 
failure and it persisted over compilations (kallsyms finding no 
symbols). bisect pointed me to the start and even recompiled known good 
version was broken, so I tried make mrproper and it cured the problem.

-- 
Meelis Roos (mroos@...ux.ee)
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