On 11/03/2011 09:27, Hans Petter Selasky wrote:
On Wednesday 02 November 2011 16:22:20 Jan Henrik Sylvester wrote:
I have bought a "Super-speed Express Card To USB 3.0 1-Port" to connect
an USB3 hard disk to my Thinkpad T510, which only has USB2.
Trying to hot plug the express card did nothing, but I guess that is
expected. Hence, I booted with the express card already inserted, only
to receive a panic upon xhci0 initialization, see below.
This is on FreeBSD 9.0-RC1/amd64 with a generic kernel installed from
the official DVD.
I guess I could test 226803 mentioned in
http://lists.freebsd.org/pipermail/freebsd-usb/2011-October/010746.html
, which happened after RC1, but from the commit message, it only fixes
suspend and resume.
As I do not have much time now, should I test 226803, find a Linux CD to
actually identify the device, or anything else?
Cheers,
Jan Henrik
usbus0: 480 Mbps High Speed USB v2.0
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x18
fault code = supervisor write data, page not present
instruction ponter = 0x20:0xffffffff806e80aa
stack pointer = 0x28:0xffffff810ee50bc0
frame pointer = 0x28:0xffffff810ee50bf0
code segment = base 0x0, limit 0xfffff, type 0x16
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 15 (xhci0)
trap number = 12
panic: page fault
cpuid = 0
Uptime = 1s
Automatic reboot in 15 seconds - press a key on the console to abort
Hi,
This looks like a NULL-pointer issue inside "xhci_configure_msg()" which
probably should be easy to fix.
Could you compile and boot a kernel with kernel debugging enable so that you
get a backgtrace?
I have not done this before.
The GENERIC kernel already contains "makeoptions DEBUG=-g" (at least it
is in /usr/src/sys/amd64/conf/GENERIC and there are all this large
/boot/kernel/*.symbols). Is there anything else needed? (I do not need
all the stuff that Ken Smith took out just before RC1 in r226405 just to
get a trace, since I do not want to do online debugging, or do I need it
anyhow?)
From
http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html
, I thought that setting dumpdev="AUTO" in /etc/rc.conf was enough to
get a dump in /var/crash/ after the next boot to multiuser. That does
not seem to be the case for me. What else do I have to do?
Cheers,
Jan Henrik
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