Date: Mon, 15 Dec 2008 07:44:42 -0600 From: Octavian Ionescu <itavy@itavy.com> To: "Paul B. Mahol" <onemda@gmail.com> Cc: freebsd-drivers@freebsd.org Subject: Re: Driver for DWL-G122 rev C1 Message-ID: <20081215074442.u7fju0xwysgckc0c@www.itavy.com> In-Reply-To: <3a142e750812150423w168620f7g40e93cf61f6a3b7b@mail.gmail.com> References: <49458F28.4000206@itavy.com> <3a142e750812150423w168620f7g40e93cf61f6a3b7b@mail.gmail.com>
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hi, yes i have SMP enabled. i will recompile the kernel with the new =20 options and i will let yuo know. Thank you --=20 Octavian Quoting "Paul B. Mahol" <onemda@gmail.com>: > On 12/14/08, Octavian Ionescu <itavy@itavy.com> wrote: >> hi, >> >> i have an Wireless USB DWL-G122 rev c1 card and on current itblocks my >> computer after a while. it scans for ap after i have configured it but >> after 2-3 minutes of scaning hang the entire computer and give me an >> backtrace prompt. >> >> # uname -a >> FreeBSD 8.0-CURRENT FreeBSD 8.0-CURRENT #2: Sat Dec 6 17:17:09 UTC >> 2008 root@:/usr/obj/usr/src/sys/ITAVYEEE2 i386 >> >> #dmesg >> .... >> Dec 14 22:40:28 kernel: rum0: <Ralink 802.11 bg WLAN, class 0/0, rev >> 2.00/0.01, addr 3> on uhub4 >> Dec 14 22:40:28 kernel: rum0: MAC/BBP RT2573 (rev 0x2573a), RF RT2528 >> Dec 14 22:40:28 kernel: rum0: WARNING: using obsoleted IFF_NEEDSGIANT fl= ag > > Let me guess you have SMP machine with SMP enabled kernel? > In that case usb ehci have some bugs triggered with rum driver. > > Workaround: disable smp: > # echo "kern.smp.disabled=3D1" >> /boot/loader.conf and reboot. > > Fix: > use if_rum2 from usb2: > > # echo "usb2_wlan_rum_load=3DYES" >> /boot/loader.conf > > For this one to really work you need first to remove usb,uhci,ehci,ohci an= d > others old usb stuff from kernel conf, and use usb2 as modules ... > > > -- > Paul >
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