Date: Sun, 28 Oct 2001 15:46:48 -0500 (EST) From: Jim Durham <durham@w2xo.pgh.pa.us> To: John Baldwin <jhb@FreeBSD.ORG> Cc: freebsd-mobile@FreeBSD.ORG Subject: RE: Inspiron crashes with 4.4-RELEASE Message-ID: <Pine.BSF.4.21.0110281534290.16532-100000@w2xo.pgh.pa.us> In-Reply-To: <XFMail.011028090139.jhb@FreeBSD.org>
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Jim Durham On Sun, 28 Oct 2001, John Baldwin wrote: > > On 28-Oct-01 Jim Durham wrote: > > After running 4.3 RELEASE beautifully for about 6 months, my > > Dell Inspiron 4000 won't run after installing 4.4-RELEASE. > > > > The system panics and reboots thusly: > > > > ukphy0: <Generic IEEE 802.3u media interface> on miibus0 > > ukphy0: no media present > > (following in "dim" text) > > ootOct 28 08:49:42 jimslaptop pccardd[123]: ed1 D-Link (DFE-650) inserted > > > > (back to bright text) > > > > Fatal trap 12: page fault while in kernel mode > > fault virtual address = 0x8 > > fault code = supervisor read, page not present > > instruction pointer = 0x8:0xc03a38a0 > > stack pointer = 0x10:0xcc25fb48 > > frame pointer = 0x10:0xcc25fb54 > > code segment = base 0x0, limit 0xfffff, type 0x1b > > = DPL 0, pres 1, def32 1, gran1 > > processor eflags = interrupt enables, resume, IOPL = 0 > > current process = 322 (ifconfig) > > interrupt mask = net tty > > trap number = 12 > > panic: page fault > > > > syncing disks.. 22 22 > > done > > Uptime: 3m40s > > Automatic reboot in 15 seconds - press a key on the console to abort > > > > etc, etc > > > > Looks like it is concerned with ifconfig'ing the D-LINK DFE-650 card. > > This is done with dhcp. > > > > > > I have also filed a bug report. > > > > > > I didn't see this in the archives or open bug listings. > > Please compile ddb into your kernel and get a stack trace. It is a simple NULL > pointer dereference that can probably be fixed easily if enough info is > provided. > More information: If I set a breakpoint at ukphy_service, it page faults on the call and reports the address as ukphy_service+48. I'm looking at mii_mediachg() in mii.c and I see no call to ukphy_service. What's going on here? It looks like mii_mediachg is calling some bogus address in the middle of ukphy_service or something. -Jim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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