Detaching USB stick crashes BETA4/BETA5
M. Warner Losh
imp at bsdimp.com
Mon Sep 20 22:01:46 PDT 2004
In message: <200409200959.48269.Lutz.Bichler at unibw-muenchen.de>
Lutz Bichler <Lutz.Bichler at unibw-muenchen.de> writes:
: Hi,
:
: i have a problem with my USB stick on 5.3 BETA4 and BETA5 which did not exist
: in 5.2.1. Whenever i detach my USB stick FreeBSD crashes. I see the
: following:
:
: uhub3: at uhub1 port1 (addr 2) disconnected
: (da0:umass-sim0:0:0:0): lost device
: (da0:umass-sim0:0:0:0): removing device entry
: umass0: detached
: (null): at uhub3 port1 (addr3) disconnected
:
:
: Fatal trap 12: page fault while in kernel mode
: fault virtual address = 0x400
: fault code = supervisor read, page not present
: instruction pointer = 0x8:0xc04d5854
: stack pointer = 0x10:0xcc726bd4
: frame pointer = 0x10:0xcc726bd4
: code segment = base 0x0, limit 0xfffff, type 0x1b
: = DPL 0, pres 1, def32 1, gran 1
: processor eflags = interrupt enabled, resume, IOPL = 0
: current process = 40 (usb1)
: trap number = 12
: panic: page fault
:
:
: This happens on an IBM X24 Laptop and a Fujitsu-Siemens Scenic 400 Desktop.
This may be my fault. Any chance you can give me a traceback?
Warner
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