From owner-freebsd-wireless@FreeBSD.ORG Thu May 22 18:35:00 2014 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E53C49A6; Thu, 22 May 2014 18:34:59 +0000 (UTC) Received: from mail-yk0-x22b.google.com (mail-yk0-x22b.google.com [IPv6:2607:f8b0:4002:c07::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 91D702E56; Thu, 22 May 2014 18:34:59 +0000 (UTC) Received: by mail-yk0-f171.google.com with SMTP id 142so3133874ykq.2 for ; Thu, 22 May 2014 11:34:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=3Ib7nuTrZlVZSjptX53cLyqBmAM/vw/cm17DKD9BIiw=; b=dQ9U6isZE3rpT3sjz5Pmvz2kQ51Q6BT0YoIm/sm63N++IAyZo2PZU+CD9Yy6Q7/9Gd O7UeInss19SLMnp9+fr8owY9HHBHIyDDCHgfMOAmxuh5xpn+0WpMMhlR38Bm3Wwzoiet vyjNjimBJm+EpP0I0/XBiSyiQRNLVWhbv6j5mFmz/pfC1Z/eMGq0vVD9U0lle/7QN3Wv K3UiuX21H7IIBpdgxNTvY5SmeX2aDLBjJ8ElskUqvYAY9r1YW5hTQ0cZJE6MemcgXNcv gCodl5A9Y+kZ9iOqaO6FptokWpLrLbWecD/0GZVW//x10RLc5pM4XSNvJYLMXxPZdnm+ w1Aw== MIME-Version: 1.0 X-Received: by 10.236.172.170 with SMTP id t30mr39281569yhl.136.1400783698721; Thu, 22 May 2014 11:34:58 -0700 (PDT) Received: by 10.170.89.65 with HTTP; Thu, 22 May 2014 11:34:58 -0700 (PDT) In-Reply-To: <537DE4DF.1060703@selasky.org> References: <537AEC79.6080406@selasky.org> <537B497E.8070701@selasky.org> <537B6F44.6070905@selasky.org> <537B9D78.3030103@selasky.org> <537C4712.908@selasky.org> <537CC4CF.9030509@selasky.org> <537CE3C9.7090807@selasky.org> <537D9955.3070001@selasky.org> <537DE4DF.1060703@selasky.org> Date: Thu, 22 May 2014 20:34:58 +0200 Message-ID: Subject: Re: if_rsu hardware causes a kernel panic on removal.. From: Idwer Vollering To: Hans Petter Selasky Content-Type: text/plain; charset=UTF-8 Cc: freebsd-wireless@freebsd.org, freebsd-usb@freebsd.org X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 May 2014 18:35:00 -0000 2014-05-22 13:51 GMT+02:00 Hans Petter Selasky : > On 05/22/14 13:22, Idwer Vollering wrote: >> >> rsu0: timeout waiting for EMEM transfer > > > Does this patch make any difference: > > === ./if_rsu.c > ================================================================== > --- ./if_rsu.c (revision 266539) > +++ ./if_rsu.c (local) > @@ -2220,13 +2220,13 @@ > goto fail; > } > /* Wait for load to complete. */ > - for (ntries = 0; ntries != 10; ntries++) { > + for (ntries = 0; ntries != 50; ntries++) { > usb_pause_mtx(&sc->sc_mtx, hz / 100); > reg = rsu_read_2(sc, R92S_TCR); > if (reg & R92S_TCR_EMEM_CODE_DONE) > break; > } > - if (ntries == 10) { > + if (ntries == 50) { > device_printf(sc->sc_dev, "timeout waiting for EMEM > transfer\n"); > error = ETIMEDOUT; > goto fail; > Hi, This patch again improves its stability, but the interface keeps flapping: May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=20, val=0, arg_len=7]: Device not configured May 22 20:29:03 machete last message repeated 3 times May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=25, val=0, arg_len=0]: Device not configured May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=95, val=208, arg_len=0]: Device not configured May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=17, val=0, arg_len=0]: Device not configured May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=26, val=0, arg_len=0]: Device not configured May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=95, val=208, arg_len=0]: Device not configured May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=17, val=0, arg_len=0]: Device not configured May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=26, val=0, arg_len=0]: Device not configured May 22 20:29:03 machete wpa_supplicant[2211]: ioctl[SIOCS80211, op=16, val=1, arg_len=0]: Device not configured May 22 20:30:27 machete dhclient[2734]: send_packet: Invalid argument wlan2: link state changed to UP wlan2: link state changed to DOWN wlan2: link state changed to UP wlan2: link state changed to DOWN May 22 20:30:27 machete dhclient[2734]: send_packet: Invalid argument wlan2: link state changed to UP May 22 20:30:36 machete dhclient[2734]: send_packet: No buffer space available wlan2: link state changed to DOWN wlan2: link state changed to UP May 22 20:31:03 machete dhclient[2734]: send_packet: No buffer space available