Detaching USB stick crashes BETA4/BETA5
Lutz Bichler
Lutz.Bichler at unibw-muenchen.de
Mon Sep 20 01:03:44 PDT 2004
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.
Regards,
Lutz
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