Date: Wed, 30 Apr 2014 12:25:22 -0400 From: John Baldwin <jhb@freebsd.org> To: Don Lewis <truckman@freebsd.org> Cc: stable@freebsd.org Subject: Re: Thinkpad R60 hangs when booting recent 8.4-STABLE Message-ID: <201404301225.22945.jhb@freebsd.org> In-Reply-To: <201404300117.s3U1HJaQ029988@gw.catspoiler.org> References: <201404300117.s3U1HJaQ029988@gw.catspoiler.org>
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On Tuesday, April 29, 2014 9:17:19 pm Don Lewis wrote: > On 29 Apr, John Baldwin wrote: > > On Monday, April 28, 2014 8:56:03 pm Don Lewis wrote: > > I just took a closer look at the dmesg output from the two kernels. > > >> agp0: <Intel 82855 host to AGP bridge> on hostb0 > >> hostb0: Reserved 0x10000000 bytes for rid 0x10 type 3 at 0xd0000000 > > The above line is different with the r262226 kernel: > hostb0: Reserved 0x10000000 bytes for rid 0x10 type 3 at 0 Yes, a resource at 0 is going to break things. 9.2 has the NEW_PCIB option enabled. You can try enabling that for 8.4 to see if it fixes this issue. If it does, it narrows down where to look for the bug. > That looks significant to me. > > >> agp0: allocating GATT for aperture of size 256M > >> [Hangs here] > > > > Humm, the other mails on this showed an address for what was allocated > > here I thought during a verbose boot. > > > > Let me see if I can get my X220 to reproduce this on an 8.x kernel. This did not succeed in breaking. :( -- John Baldwin
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