ports/142259: sysutils/apcupsd segfaults during shutdown

[Vaibhav Gavane]

>Number:         142259
>Category:       ports
>Synopsis:       sysutils/apcupsd segfaults during shutdown
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jan 03 08:30:02 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Vaibhav Gavane
>Release:        8.0-RELEASE
>Organization:
>Environment:
FreeBSD 127.0.0.1 8.0-RELEASE-p1 FreeBSD 8.0-RELEASE-p1 #1: Fri Dec 4 20:11:36 IST 2009 root at 127.0.0.1:/usr/obj/usr/src/sys/CUSTOM i386
>Description:
apcupsd terminates (sometimes) with a segmentation fault during shutdown. The fault occurs in drivers/usb/generic/generic-usb.c::pusb_ups_check_state at line:

retval = usb_interrupt_read(my_data->fd, USB_ENDPOINT_IN|1, (char*)buf, sizeof(buf), timeout);

when my_data is NULL.
>How-To-Repeat:
The problem is not reproducible with every shutdown/restart; just seems to happen every now and then.
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: