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Date:      Mon, 28 Apr 2014 23:28:16 -0700 (PDT)
From:      Don Lewis <truckman@FreeBSD.org>
To:        stable@FreeBSD.org
Cc:        jhb@FreeBSD.org
Subject:   Re: Thinkpad R60 hangs when booting recent 8.4-STABLE
Message-ID:  <201404290628.s3T6SGpZ028224@gw.catspoiler.org>
In-Reply-To: <201404290103.s3T13MfY027827@gw.catspoiler.org>

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On 28 Apr, To: stable@freebsd.org wrote:
> I've been upgrading my 8.4-STABLE machines to r264698 and haven't had
> any issues until I tried to upgrade my laptop.  I was previously running
> r259528 without any problems, but it now hangs during boot.  It's a hard
> hang and the machine doesn't respond to anything, including Caps Lock.
> I took a picture of the screen and compared it to dmesg.boot from
> booting kernel.old and the boot messages appear to be identical up to
> the point where the hang occurs.

I received a hint offline to look at r262226, which tweaked
sys/dev/pci/pci.c.  A r262225 kernel boots fine, but r262226 hangs.
I didn't suspect that commit because realloc_bars is set to 0.

I see that there is already a PR for this: kern/kern/188534.




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