From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.120]) by mx.groups.io with SMTP id smtpd.web12.15075.1594905651871286241 for ; Thu, 16 Jul 2020 06:20:52 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=ZotLEKTh; spf=pass (domain: redhat.com, ip: 205.139.110.120, mailfrom: lersek@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594905651; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aawggXl0+SI/wwcSYZUY8yED4/b9ZeRPpYTqBJU9r5w=; b=ZotLEKThGfFHEiiNFIkynrEJiu1uPHPkUnVb1azzr6kIVtp9Vb9C/LRXIBk6v+NYvPbB7w PJDA+OUZ3DFSqFe9XzYs9cToMAy+X1wtJMlas04HozThYOPlA8MaqGXDeVnYqb4CUYIP8r MVGym78hVbBbE13I1VRNT9TK7CjQdS8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-160-c_NHYcaqO7m18PhJUK7DfA-1; Thu, 16 Jul 2020 09:20:49 -0400 X-MC-Unique: c_NHYcaqO7m18PhJUK7DfA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E030115C20; Thu, 16 Jul 2020 13:20:47 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-112-123.ams2.redhat.com [10.36.112.123]) by smtp.corp.redhat.com (Postfix) with ESMTP id B19FD5C1D2; Thu, 16 Jul 2020 13:20:46 +0000 (UTC) Subject: Re: [edk2-devel] Extremely long delays with UDF support? To: devel@edk2.groups.io, tim.lewis@insyde.com References: <000901d65ae7$b5042020$1f0c6060$@insyde.com> Cc: Zhichao Gao , Ray Ni , Gary Lin From: "Laszlo Ersek" Message-ID: <4bd81dc1-79f1-0ff8-6944-ec186821e892@redhat.com> Date: Thu, 16 Jul 2020 15:20:45 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <000901d65ae7$b5042020$1f0c6060$@insyde.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit On 07/15/20 22:37, Tim Lewis wrote: > Has anyone else seen extremely long delays with UDF support on USB > CD-ROMs/DVDs? We found that PartitionDxe can add seconds because of the > number blocks being read. ... is this perhaps related to what Zhichao has been working on? ("MdeModulePkg/PartitionDxe: Fix the partition check issue".) Laszlo