Re: curiousities in 6.0beta1 dmesg

From: Ben Kaduk (minimarmot_at_gmail.com)
Date: 07/23/05

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    Date: Sat, 23 Jul 2005 00:54:07 +0000
To: John Baldwin <jhb@freebsd.org>

    On 7/22/05, John Baldwin <jhb@freebsd.org> wrote:
    > On Sunday 17 July 2005 04:13 pm, Ben Kaduk wrote:
    > > Hi all,
    > >
    > > I recently upgraded to:
    > > bash-2.05b$ uname -a
    > > FreeBSD prolepsis.math.uiuc.edu 6.0-BETA1 FreeBSD 6.0-BETA1 #2: Sat
    > > Jul 16 21:34:06 UTC 2005
    > > kaduk@prolepsis.math.uiuc.edu:/usr/obj/usr/src/sys/PROLEPSIS i386
    > >
    > > from 5.4-Release using a source upgrade, and I noticed a few things in the
    > > dmesg whilst it was booting that struck me as a bit odd.
    > > Copyright (c) 1992-2005 The FreeBSD Project.
    > > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
    > > The Regents of the University of California. All rights reserved.
    > > FreeBSD 6.0-BETA1 #2: Sat Jul 16 21:34:06 UTC 2005
    > > kaduk@prolepsis.math.uiuc.edu:/usr/obj/usr/src/sys/PROLEPSIS
    > > Timecounter "i8254" frequency 1193182 Hz quality 0
    > > CPU: Mobile Intel(R) Pentium(R) 4 - M CPU 2.50GHz (2492.65-MHz 686-class
    > > CPU) Origin = "GenuineIntel" Id = 0xf29 Stepping = 9
    > >
    > > Features=0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMO
    > >V,PAT, PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
    > > Features2=0x4400<CNTX-ID,<b14>>
    > > real memory = 1073405952 (1023 MB)
    > > avail memory = 1037340672 (989 MB)
    > > npx0: [FAST]
    > > npx0: <math processor> on motherboard
    > > npx0: INT 16 interface
    > > acpi0: <DELL CPi R > on motherboard
    > > pci_link0: <ACPI PCI Link LNKA> irq 11 on acpi0
    > > pci_link1: <ACPI PCI Link LNKB> irq 11 on acpi0
    > >
    > >
    > > [ pci_link1 seems to have an irq here. . . ]
    > >
    > >
    > > pci_link2: <ACPI PCI Link LNKC> irq 11 on acpi0
    > > pci_link3: <ACPI PCI Link LNKD> irq 11 on acpi0
    > > pci_link4: <ACPI PCI Link LNKE> on acpi0
    > > pci_link5: <ACPI PCI Link LNKH> irq 11 on acpi0
    > > Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
    > > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
    > > cpu0: <ACPI CPU> on acpi0
    > > acpi_throttle0: <ACPI CPU Throttling> on cpu0
    > > acpi_acad0: <AC Adapter> on acpi0
    > > acpi_cmbat0: <Control Method Battery> on acpi0
    > > acpi_cmbat1: <Control Method Battery> on acpi0
    > > acpi_lid0: <Control Method Lid Switch> on acpi0
    > > acpi_button0: <Power Button> on acpi0
    > > acpi_button1: <Sleep Button> on acpi0
    > > pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
    > > pci0: <ACPI PCI bus> on pcib0
    > > pci_link1: Unable to choose an IRQ
    > >
    > >
    > > [ so why does it need to choose an irq here? ]
    >
    > It's not quite that simple. :( It may be that the link says that irq 11 is
    > not valid. Can you provide a verbose dmesg?
    >
    > --
    > John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
    > "Power Users Use the Power to Serve" = http://www.FreeBSD.org
    >
    John,
    Thanks for the insight. Not only can i provide a verbose dmesg, but I
    can do so for both the beta and for HEAD

    prolepsis# uname -a
    FreeBSD prolepsis.math.uiuc.edu 7.0-CURRENT FreeBSD 7.0-CURRENT #4:
    Fri Jul 22 23:53:40 UTC 2005
    kaduk@prolepsis.math.uiuc.edu:/usr/obj/usr/src/sys/PROLEPSIS i386

    as well as a regular dmesg from HEAD, since there are even more
    curiousities, namely, in the verbose boots, pci_link1 is assigned an
    IRQ,
    but apparently not in the regular boots.

    I hope the attached dmesgs are meaningful,

    Ben Kaduk

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