Date: Fri, 14 Nov 2008 15:41:52 +0800 From: kevin <kevinxlinuz@163.com> To: FreeBSD Current <freebsd-current@freebsd.org> Cc: freebsd-usb@freebsd.org Subject: kernel panic of usb2 Message-ID: <491D2BC0.2080604@163.com>
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Hi ,
i can't write anything in usb flash devices.i can mount device well
with usb2_storage_mss.
db>bt
Tracing pid 1367 tid 100147 td 0xffffff0004e756e0
kdb_enter() at kdb_enter+0x3d
panic() at panic+0x176
vm_pfault() at vm_pfault+0x19ce
trap_pfault() at trap_pfault+0x2a9
trap() at trap+0c327
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0xffffffff80511166, rsp = 0xfffffffee962bac0, rdp =
0xffffff
fee962bb00 ---
bcopy() at bcopy+0x16
usb2_bdma_per_sync() at usb2_bdma_per_sync+0x35
usb2_bdma_work_loop() at usb2_bdma_work_loop+0x346
usb2_command_wrapper() at usb2_command_wrapper+0x76
usb2_callback_wrapper() at usb2_callback_wrapper+0x2d4
usb2_command_wrapper() at usb2_command_wrapper+0x76
usb2_callback_proc() at usb2_callback_proc+0x90
usb2_process() at usb2_process+0xd2
fork_exit() at fork_exit+0x118
fork_trampoline() at fork_trampoline+0xe
--- trap 0, rip =0, rsp=0xfffffffee962bd40, rbp = 0 ---
Thanks,
kevin
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