Date: Fri, 08 Jul 2011 01:48:35 -0700 From: Doug Barton <dougb@FreeBSD.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: cardbus panic: end address is not aligned Message-ID: <4E16C463.9020604@FreeBSD.org> In-Reply-To: <201107071720.50203.jhb@freebsd.org> References: <4E100086.7080105@FreeBSD.org> <201107071720.50203.jhb@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 07/07/2011 14:20, John Baldwin wrote:
> On Sunday, July 03, 2011 1:39:18 am Doug Barton wrote:
>> I have 2 ath-based pc-card adapters. If I put either one of them in the
>> slot while the system is up, or if I try booting with them in the slot,
>> I get an instant panic. The cards previously worked in -current, and
>> continue to work in 8-stable and windows xp. I don't have any other
>> pc-cards to compare with. Full core.txt.0 file is in my home directory
>> on freefall.
>>
>> This problem persists on r223732 but happened to me for the first time a
>> week or 2 ago (haven't had time to report it previously, apologies). It
>> likely originated a while before though, I don't use these cards very
>> often.
>>
>> panic: end address is not aligned
>>
>> #1 0xffffffff80426a8a in kern_reboot (howto=260)
>> at /home/svn/head/sys/kern/kern_shutdown.c:430
>> #2 0xffffffff80426521 in panic (fmt=Variable "fmt" is not available.
>> )
>> at /home/svn/head/sys/kern/kern_shutdown.c:604
>> #3 0xffffffff8032c648 in pcib_grow_window (sc=0xfffffe0002603400,
>> w=0xfffffe0002603498, type=3, start=0, end=4294967295, count=65536,
>> flags=Variable "flags" is not available.
>
> The line is here:
>
> KASSERT((w->limit & ((1ul << w->step) - 1)) == (1ul << w->step) - 1,
> ("end address is not aligned"));
>
> Can you run kgdb and do 'frame 3' and 'p/x *w'?
(kgdb) frame 3
#3 0xffffffff8032c648 in pcib_grow_window (sc=0xfffffe0002603400,
w=0xfffffe0002603498, type=3, start=0, end=4294967295, count=65536,
flags=Variable "flags" is not available.
)
at /home/svn/head/sys/dev/pci/pci_pci.c:1018
1018 KASSERT((w->limit & ((1ul << w->step) - 1)) == (1ul << w->step) - 1,
(kgdb) p/x *w
$1 = {base = 0x80000000, limit = 0x8800ffff, rman = {rm_list = {
tqh_first = 0xfffffe0002702a00, tqh_last = 0xfffffe0002702a98},
rm_mtx = 0xfffffe00024e20e0, rm_link = {tqe_next = 0xfffffe0002603520,
tqe_prev = 0xfffffe0002603448}, rm_start = 0x0, rm_end = 0xffffffff,
rm_type = 0x2, rm_descr = 0xfffffe0002608060}, res =
0xfffffe0002702b00,
reg = 0x20, valid = 0x1, mask = 0x2, step = 0x14, name =
0xffffffff8071b77c}
> Also, can you boot your machine, then do 'sysctl debug.bootverbose=1', insert
> the card and record the messages in dmesg when it does? (You can likely get
> those out of kgdb.)
The system panics instantly when I insert the cards. Would a verbose
dmesg entry from 8.2-stable work? I can do that on the same hardware.
If not I can try it on -current and see if anything gets logged.
Thanks for taking a look!
Doug
--
Nothin' ever doesn't change, but nothin' changes much.
-- OK Go
Breadth of IT experience, and depth of knowledge in the DNS.
Yours for the right price. :) http://SupersetSolutions.com/
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4E16C463.9020604>