Date: Tue, 31 Jul 2012 16:32:30 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: jb <jb.1234abcd@gmail.com> Subject: Re: Thinkpad X61s cannot boot 9.1-BETA1 Message-ID: <201207311632.30938.jhb@freebsd.org> In-Reply-To: <loom.20120720T160400-766@post.gmane.org> References: <5007CFE6.6030808@intersonic.se> <500853DA.8050502@intersonic.se> <loom.20120720T160400-766@post.gmane.org>
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On Friday, July 20, 2012 10:11:33 am jb wrote: > Per olof Ljungmark <peo <at> intersonic.se> writes: > > > ... > > >> Did anyone else experience this? With 9.1-BETA1 the boot process > > >> freezes, among the last lines with verbose boot are > > >> > > >> acpi_acad0: On Line > > >> acpi_acad0: acline initialization done, tried 1 times > > >> > > >> after this, dead. > > >> ... > > Tried ALL boot options, none worked. For example, if I try "disable > > acpi" it will stop at "no event timer available". > > Here is something similar ... > http://forums.freebsd.org/archive/index.php/t-32423.html > ... > "When I enabled verbose boot logging, the boot seems to hang up just after the > kernel load. I have tried disabling ACPI and APIC with the same results. > > Here is where the news starts to turn good. I tried a FreeBSD 9 disk and got > much further. Then, I was either getting a page fault or panic: no usable event > timer found depending on boot options. The release errata then set me straight. > With debug.acpi.disabled="hostres" I was able to boot! ..." > > Here is the related errata: > http://www.freebsd.org/releases/9.0R/errata.html > ... > "[amd64, i386] FreeBSD 9.0-RELEASE includes several changes to improve resource > management of PCI devices. Some x86 machines may not boot or may have devices > that no longer attach when using ACPI as a result of these changes. This can be > worked around by setting a loader(8) tunable debug.acpi.disabled to hostres. To > do this, enter the following lines at the loader prompt: > > set debug.acpi.disabled="hostres" > boot > > Or, put the following line into /boot/loader.conf: > > debug.acpi.disabled="hostres" > ..." > > Anyway, regardless of this attempt, file a PR# for 9.1-BETA1. Please try this and let me know if it works. The bugs that I knew of related to "hostres" should be fixed in 9.1, so if there are still problems I'd like to know about it. -- John Baldwin
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