Date: Fri, 1 May 2009 20:30:28 +0200 From: Magnus Kling <klingfon@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-acpi@freebsd.org Subject: Re: Fwd: Kernel panic on 7.2-RC1 when booting with ACPI enabled kernel. Message-ID: <43b1bb350905011130q4f58c018g66a9e4624c364b65@mail.gmail.com> In-Reply-To: <200904300836.34238.jhb@freebsd.org> References: <43b1bb350904230622u4b7790f0p9f665b649c97a3b@mail.gmail.com> <43b1bb350904250326o63cb3085vc6a7079fba7cd700@mail.gmail.com> <43b1bb350904250327n2bc0c651y7e725abda56538b0@mail.gmail.com> <200904300836.34238.jhb@freebsd.org>
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2009/4/30 John Baldwin <jhb@freebsd.org>
> On Saturday 25 April 2009 6:27:23 am Magnus Kling wrote:
> > 2009/4/24 John Baldwin <jhb@freebsd.org>
> > > Can you do 'frame 10' followed by 'p *(struct acpi_pci_devinfo
> > > *)child->ivars'
> > >
> > > --
> > > John Baldwin
> >
> >
> > Sure, no problem. This is a none critical server so I can do alot of
> > debugging and testing if that is needed.
> >
> >
> > (kgdb) frame 10
> > #10 0xc0db4ca8 in acpi_pci_child_location_str_method (cbdev=0xc2212680,
> > child=0xc2243400, buf=0xc22c2400 "slot=0 function=0 handle=",
> > buflen=1024)
> > at /usr/src/sys/modules/acpi/acpi/../../../dev/acpica/acpi_pci.c:150
> > 150 strlcat(buf, acpi_name(dinfo->ap_handle), buflen);
> >
> > (kgdb) p *(struct acpi_pci_devinfo *)child->ivars
> > $1 = {ap_dinfo = {pci_links = {stqe_next = 0xc0b00f8c}, resources = {
> > stqh_first = 0xc0b00f8c, stqh_last = 0x1030000}, cfg = {dev = 0x0,
> > bar = {4, 0, 0, 3257136600, 0, 0}, bios = 0, subvendor = 0,
> > subdevice = 0, vendor = 0, device = 0, cmdreg = 0, statreg = 0,
> > baseclass = 0 '\0', subclass = 0 '\0', progif = 0 '\0', revid = 0
>
> Hmm, this is all completely wrong and trashed. What if you do 'p *child'?
>
> --
> John Baldwin
>
(kgdb) p *child
$2 = {ops = 0xc2161800, link = {tqe_next = 0xc2243380, tqe_prev =
0xc2243484}, devlink = {tqe_next = 0xc2243380, tqe_prev = 0xc224348c},
parent = 0xc2212680, children = {tqh_first = 0xc2262880, tqh_last =
0xc2262704}, driver = 0xc0b7066c, devclass = 0xc211e240, unit = 0,
nameunit = 0xc2241640 "atapci0", desc = 0xc223f900 "Promise PDC20621
UDMA100 controller", busy = 0, state = DS_ATTACHED, devflags = 0,
flags = 13, order = 0 '\0', pad = 0 '\0', ivars = 0xc223f5c0, softc =
0xc2244800, sysctl_ctx = {tqh_first = 0xc2264380, tqh_last = 0xc2241594},
sysctl_tree = 0xc223f840}
(kgdb)
/Magnus
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