Date: Tue, 28 Feb 2012 23:10:51 +0000 From: Harry Newton <hn@yewbarrow.net> To: Adrian Chadd <adrian@freebsd.org> Cc: Ian Lepore <freebsd@damnhippie.dyndns.org>, freebsd-stable@freebsd.org, jhb@freebsd.org Subject: Re: Regression between 9-RELEASE and 9-STABLE [PCIB ?] Message-ID: <CAKAm69FSVK2ZsuccXqz4cZzT0%2BJ0HWetanfOaJRa0VYpdMnWnw@mail.gmail.com> In-Reply-To: <CAJ-Vmo=T9X_9aSKneG9Fo7hdTStb=L-kVS4cCMri-XpaHYaoMw@mail.gmail.com> References: <CAKAm69EPHB_0DrSdCvNTeOnoRhAHjMtWSF-520oGRppJ=KKjrg@mail.gmail.com> <1330459721.1023.15.camel@revolution.hippie.lan> <CAKAm69HeLfTNvw79yikwrKC7e08xgHHd_4Bfc3RCfxX7Zau8dg@mail.gmail.com> <CAJ-Vmo=T9X_9aSKneG9Fo7hdTStb=L-kVS4cCMri-XpaHYaoMw@mail.gmail.com>
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Adrian - thanks ! John, if you write me a shopping list of what information you think useful, assuming you have time and inclination, I'll do my best provide it. On 28 February 2012 23:04, Adrian Chadd <adrian@freebsd.org> wrote: > A lot of the PCI bus enumeration and configuration code has changed. > > John's likely the best person to bring into this. He's been doing a > lot of the PCI bus hacking and has found/fixed quite a few > regressions. > > Good luck! > > > > Adrian > > > On 28 February 2012 14:26, Harry Newton <hn@yewbarrow.net> wrote: >> Not really. Verbose suggests it completes the scan of the PCI to LPC >> Bridge and PCI to PCI bridge. Comparing with a working verbose boot, >> the next stage, which isn't reached, is HyperTransport Technology >> Configuration. >> >> Trying BUS_DEBUG, I got a lot of this: >> >> device_add_child_ordered: 1813: (null) at pci with orer 0 as unit -1 >> make_device: 1698: (null) at pci as unit -1 >> >> I neglected to say before: the machine's been running FreeBSD 7-STABLE >> quite happily with no problems. >> >> - Harry >> >> >> On 28 February 2012 20:08, Ian Lepore <freebsd@damnhippie.dyndns.org> wr= ote: >>> On Tue, 2012-02-28 at 19:15 +0000, Harry Newton wrote: >>>> 9-RELEASE works fine. csup to 9-STABLE and make buildworld kernel etc >>>> gives a system the hangs during the boot process. There are no error >>>> messages during the part boot, and no panic. Last messages before hang >>>> are: >>>> >>>> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 >>>> pci0: <ACPI PCI bus> on pcib0 >>>> >>>> I am stumped about how to diagnose this, and would be _very_ grateful >>>> for any suggestions. >>>> >>>> When it's hung I can't force a break to debugger (BREAK_TO_DEBUGGER) >>>> in kern conf: I imagine I'm too early in the boot sequence. >>>> >>>> - Harry >>>> >>> >>> I assume booting verbose doesn't provide any more clues? =A0I've someti= mes >>> gotten an extra clue from a hang during boot by building with option >>> BUS_DEBUG. =A0Even if you don't suspect the newbus routines as directly >>> being the problem, sometimes you get a bit more info about what was >>> happening at the time of lockup. >>> >>> -- Ian >>> >>> >> >> >> >> -- >> Harry Newton >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org= " --=20 Harry Newton
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