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[2620:137:e000::3:1]) by mx.google.com with ESMTPS id t12-20020a65554c000000b00578b379922bsi10362386pgr.511.2023.09.25.12.40.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Sep 2023 12:41:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) client-ip=2620:137:e000::3:1; Authentication-Results: mx.google.com; dkim=pass header.i=@ucw.cz header.s=gen1 header.b=bTgxHCrL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ucw.cz Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id DE326806A3AF; Mon, 25 Sep 2023 07:37:12 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232204AbjIYOhE (ORCPT + 99 others); Mon, 25 Sep 2023 10:37:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229537AbjIYOhD (ORCPT ); Mon, 25 Sep 2023 10:37:03 -0400 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A1B2101; Mon, 25 Sep 2023 07:36:54 -0700 (PDT) Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 916EF1C001E; Mon, 25 Sep 2023 16:36:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1695652612; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=A7Kx6EcoVfeBKi/SbwuwCQZldltNiCrHCuxYKrSTkLM=; b=bTgxHCrLGiy6IbyXRORlo36rCN9vZbwl0l3j/og4gJKP1+jG7UozXISxwxIFXeRVHzoFeT Z0lDrMBrDnppBRrH9QBhubb025oZjEU3iJ4BWvtIF3HfMJyOrliUZroTZqI9tWOcH0cpbi RcMPC5Yquju+aFsap1ThfO1Nfh0dsU0= Date: Mon, 25 Sep 2023 16:36:43 +0200 From: Pavel Machek To: kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, tony@atomide.com, sre@kernel.org, nekit1000@gmail.com, mpartap@gmx.net, merlijn@wizzup.org, martin_rysavy@centrum.cz, phone-devel@vger.kernel.org, maemo-leste@lists.dyne.org Subject: droid4 -- weird behaviour when attempting to use usb host Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Mon, 25 Sep 2023 07:37:13 -0700 (PDT) Hi! I'm having some fun with usb host. Good news is it works with externally powered hub... after a while. I get some error messages about inability to go host mode, but with enough patience it eventually does enter host mode and I see my keyboard/mouse. And usually in that process, one of my cpu cores disappear. top no longer shows 2 cores, and I was wondering for a while if d4 is single-core system. It is not, my two cores are back after reboot. That's with 6.1.9 kernel from leste. Ideas how to debug this would be welcome. (Do you use usb host?) Best regards, Pavel --=20