Bug 92171

Summary: [panic] panic unplugging Vodafone Mobile Connect (UMTS) 3G/GPRS Datacard
Product: Base System Reporter: Kurt Jaeger <freebsd-bugs>
Component: usbAssignee: freebsd-usb mailing list <usb>
Status: Open ---    
Severity: Affects Only Me    
Priority: Normal    
Version: 6.0-RELEASE   
Hardware: Any   
OS: Any   

Description Kurt Jaeger 2006-01-22 21:40:03 UTC
	inserting the Vodafone Mobile Connect (UMTS) 3G/GPRS Datacard
	will detect two usb devices
	unplugging the datacard will cause a panic

	for details see
	verbose dmesg output:
	http://c0mplx.org/fbsd/hotdog.dmesg
	kernel config file
	http://c0mplx.org/fbsd/HOTDOG
	kernel verbose output of card insertion
	http://c0mplx.org/fbsd/umts-karte

	kernel dump analysis:

	http://c0mplx.org/fbsd/dodeb.0
	http://c0mplx.org/fbsd/dodeb.1

	both times:
  Panic String: page fault

#7  0xc0598997 in kobj_delete (obj=0xc1d60300, mtype=0xc07c9780)
    at /usr/src/sys/kern/subr_kobj.c:323
^Z^Z/usr/src/sys/kern/subr_kobj.c:323:6506:beg:0xc0598997
(kgdb) l
318     }
319     
320     void
321     kobj_delete(kobj_t obj, struct malloc_type *mtype)
322     {
323             kobj_class_t cls = obj->ops->cls;
324             int refs;
325     
326             /*
327              * Consider freeing the compiled method table for the class
(kgdb) p *obj
$3 = {ops = 0x0}

Fix: 

no known fix
How-To-Repeat: 	insert the datacard, wait approx. 30 seconds,
	unplug the card again -> panic
Comment 1 Mark Linimon freebsd_committer freebsd_triage 2006-01-22 22:06:20 UTC
Responsible Changed
From-To: freebsd-bugs->freebsd-usb

Over to maintainer(s).
Comment 2 Eitan Adler freebsd_committer freebsd_triage 2017-12-31 07:58:24 UTC
For bugs matching the following criteria:

Status: In Progress Changed: (is less than) 2014-06-01

Reset to default assignee and clear in-progress tags.

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