From nobody Fri Dec 3 18:41:19 2021 X-Original-To: freebsd-usb@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 3BB1C18C5455 for ; Fri, 3 Dec 2021 18:41:27 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [88.99.82.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4J5M9K4zq4z3h8f for ; Fri, 3 Dec 2021 18:41:25 +0000 (UTC) (envelope-from hps@selasky.org) Received: from [10.36.2.165] (unknown [178.17.145.105]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id BB867260511; Fri, 3 Dec 2021 19:41:24 +0100 (CET) Message-ID: Date: Fri, 3 Dec 2021 19:41:19 +0100 List-Id: FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-usb List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-usb@freebsd.org X-BeenThere: freebsd-usb@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: Poor USB performance on ASUS 520 motherboard (no IRQ?) Content-Language: en-US To: Daniel O'Connor , freebsd-usb@freebsd.org References: From: Hans Petter Selasky In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4J5M9K4zq4z3h8f X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 88.99.82.50 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [1.76 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net:c]; MID_RHS_MATCH_FROM(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; NEURAL_SPAM_MEDIUM(0.93)[0.927]; NEURAL_SPAM_SHORT(0.97)[0.974]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_SPAM_LONG(0.15)[0.154]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:88.99.0.0/16, country:DE]; RCVD_COUNT_TWO(0.00)[2]; SUBJECT_HAS_QUESTION(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 11/24/21 23:33, Daniel O'Connor wrote: > I found that the Gigabyte GA-A320M-H one works fine but the ASUS A520M-A/CSM one is significantly slower for tests where there are many back and forth messages (streaming data seems fine). Hi, There is a register in the XHCI PCI area, to set the IRQ latency. You may want to check the PCI IDs towards Linux if these chips require some kind of special quirks. --HPS