Date: Sat, 8 May 2010 21:05:57 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: Weongyo Jeong <weongyo@freebsd.org> Cc: FreeBSD current mailing list <current@freebsd.org> Subject: Re: a panic on uart_z8530_class? Message-ID: <20100508210455.D23815@maildrop.int.zabbadoz.net> In-Reply-To: <20100508200032.GB31100@weongyo> References: <20100508200032.GB31100@weongyo>
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On Sat, 8 May 2010, Weongyo Jeong wrote:
> Hello,
>
> Anyone encountered this panic on recent CURRENT kernel?
>
> [root@test ~]# uname -a
> FreeBSD test 9.0-CURRENT FreeBSD 9.0-CURRENT #16: Sun May 2 00:24:12 PDT 2010 root@test:/usr/obj/usr/src/sys/GENERIC amd64
>
> [root@test /home/freebsd/sys/modules/bwn]# ifconfig wlan0 create wlandev bwn0
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x0
> fault code = supervisor read instruction, page not present
> instruction pointer = 0x20:0x0
> stack pointer = 0x28:0xffffff8073cdd810
> frame pointer = 0x28:0xffffff8073cdd8e0
> code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags = interrupt enabled, resume, IOPL = 0
> current process = 1795 (ifconfig)
> [ thread pid 1795 tid 100096 ]
> Stopped at 0: *** error reading from address 0 ***
> db> bt
> Tracing pid 1795 tid 100096 td 0xffffff0003d8b390
> uart_z8530_class() at 0
> ifc_simple_create() at ifc_simple_create+0x89
> if_clone_createif() at if_clone_createif+0x64
> ifioctl() at ifioctl+0x685
can you give me
l *ifc_simple_create+0x89
l *if_clone_createif+0x64
l *ifioctl+0x685
--
Bjoern A. Zeeb (from 21) Micky Rosa:
But as we've all said, this game is about the past and the future,
and tonight we forget about the past. We just focus on the future.
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