Date: Mon, 23 Jun 2008 12:11:46 +0200 From: "Paul B. Mahol" <onemda@gmail.com> To: "Thomas Sparrevohn" <Thomas.Sparrevohn@btinternet.com> Cc: freebsd-usb@freebsd.org Subject: Re: rum driver triggers panic after wlan update Message-ID: <3a142e750806230311t5afc96y4e72e78b3857bb2c@mail.gmail.com> In-Reply-To: <-8024707341139107721@unknownmsgid> References: <-8024707341139107721@unknownmsgid>
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Look usb/124758, I think it is already known problem. On 6/23/08, Thomas Sparrevohn <Thomas.Sparrevohn@btinternet.com> wrote: > Hi > > > > Before I send a pr in - I just wanted to check whether the issue is known > > > > A seemly random period time after I plugin the rum0 device the kernel > crashes > > > > rum0: <Belkin Belkin 54g USB Network Adapter, class 0/0, rev 2.00/0.01, addr > 5> on uhub1 > > rum0: MAC/BBP RT2573 (rev 0x2573a), RF RT2528 > > rum0: WARNING: using obsoleted IFF_NEEDSGIANT flag > > rum0: bpf attached > > rum0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps > > rum0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps > 36Mbps 48Mbps 54Mbps > > wlan0: bpf attached > > wlan0: Ethernet address: 00:17:3f:72:40:90 > > wlan0: bpf attached > > rum0: need multicast update callback > > rum0: need multicast update callback > > > > > > Fatal trap 12: page fault while in kernel mode > > cpuid = 1; apic id = 01 > > fault virtual address = 0x40 > > fault code = supervisor read data, page not present > > instruction pointer = 0x8:0xffffffff803e082e > > stack pointer = 0x10:0xffffffffd75bfb50 > > frame pointer = 0x10:0xffffffffd75bfb80 > > 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 = 12 (irq22: ehci0) > > > > It I boot the machine USB rum0 device attached - The crash comes normally > pretty instantaneously (dmesg_8.txt) > > > > wlan0: Ethernet address: 00:17:3f:72:40:90 > > rum0: need multicast update callback > > rum0: could not transmit buffer: SHORT_XFER > > > > > > Fatal trap 12: page fault while in kernel mode > > cpuid = 1; apic id = 01 > > fault virtual address = 0x8 > > fault code = supervisor read data, page not present > > instruction pointer = 0x8:0xffffffff803e0712 > > stack pointer = 0x10:0xffffffffd75bfb50 > > frame pointer = 0x10:0xffffffffd75bfb80 > > 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 = 12 (irq22: ehci0) > > Physical memory: 4076 MB > > Dumping 317 MB: 302 286 270 254 238 222 206 190 174 158 142 126 110 94 78 62 > 46 30 14 > > > > If I use a kernel without debugging - the kernel simply freezes totally - no > panic - no nothing - does anybody have any idea? > > > > > >
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