usb/80685: panic in usb_cold_explore() at begining

[Julian Elischer]

The following reply was made to PR usb/80685; it has been noted by GNATS.

From: Julian Elischer <julian at elischer.org>
To: "Richard S. Conto" <rsc at merit.edu>
Cc: freebsd-gnats-submit at freebsd.org
Subject: Re: usb/80685: panic in usb_cold_explore() at begining
Date: Tue, 10 May 2005 06:00:08 -0700

 Richard S. Conto wrote:
 >>Number:         80685
 >>Category:       usb
 >>Synopsis:       panic in usb_cold_explore() at begining
 >>Confidential:   no
 >>Severity:       critical
 >>Priority:       low
 >>Responsible:    freebsd-usb
 >>State:          open
 >>Quarter:        
 >>Keywords:       
 >>Date-Required:
 >>Class:          sw-bug
 >>Submitter-Id:   current-users
 >>Arrival-Date:   Fri May 06 01:50:09 GMT 2005
 >>Closed-Date:
 >>Last-Modified:
 >>Originator:     Richard S. Conto
 >>Release:        4.11-STABLE i386
 >>Organization:
 >>Environment:
 > 
 > FreeBSD toolbox.family 4.11-STABLE FreeBSD 4.11-STABLE #0: Sun Jan 23 12:14:05 EST 2005     root at toolbox.family:/usr/src/sys/compile/TOOLBOX  i386
 > 
 > 
 >>Description:
 > 
 > During boot, I get a panic in "usb_cold_explore".
 > 
 > IP packet filtering initialized, divert disabled, rule-based forwarding enabled, 
 > default to accept, logging limited to 100 packets/entry by default
 > panic: usb_cold_explore: busses to explore when !cold
 > 
 > A "boot -v" doesn't show any more detail to me, and I can't capture the output in any event.
 > 
 > This machine is rather old and slow. I suspect timing issues.
 > I think "dmesg" explains my machine best:
 > 
 > Timecounter "i8254"  frequency 1193182 Hz
 > CPU: Pentium/P54C (119.75-MHz 586-class CPU)
 >   Origin = "GenuineIntel"  Id = 0x526  Stepping = 6
 >   Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
 > real memory  = 100663296 (98304K bytes)
 > avail memory = 92835840 (90660K bytes)
 > 
 > I recently "cvsup"'d this system, so the "uname -a" for Environment is
 > somewhat misleading.  This happens with a version as recently updated as May 3.
 > 
 > I haven't tried removing the USB card.  If I could disable the usb support 
 > and probing with /boot/loader.conf, I would.
 > 
 > 
 >>How-To-Repeat:
 > 
 > Boot my old and creaky system
 > 
 >>Fix:
 > 
 >       
 > 
 >>Release-Note:
 >>Audit-Trail:
 >>Unformatted:
 
 I have seen this and can duplicate it.
 I will try figure out a fix in the next few days..
 it does work correctly ifyou plug the device in after boot.
 I do know the reason but not yet the fix.
 
 > 
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