From nobody Thu Jan 19 07:48:41 2023 X-Original-To: freebsd-xen@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 4NyFBF5qDBz2v8LF for ; Thu, 19 Jan 2023 07:48:53 +0000 (UTC) (envelope-from echo@lethedata.com) Received: from mail-4323.proton.ch (mail-4323.proton.ch [185.70.43.23]) (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-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "protonmail.com", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4NyFBD2tbcz43fk for ; Thu, 19 Jan 2023 07:48:52 +0000 (UTC) (envelope-from echo@lethedata.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=lethedata.com header.s=protonmail3 header.b=dAzlTmIu; spf=pass (mx1.freebsd.org: domain of echo@lethedata.com designates 185.70.43.23 as permitted sender) smtp.mailfrom=echo@lethedata.com; dmarc=pass (policy=none) header.from=lethedata.com Date: Thu, 19 Jan 2023 07:48:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lethedata.com; s=protonmail3; t=1674114529; x=1674373729; bh=eUolyDpCBIYzbzOM4YrVEik1O/1mthYq5nXwuy81EMA=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=dAzlTmIuSnS8x5ANiEV2XYySWc8Wh3v8LNPj6TbfsXxstsPpw9IKntMl2QLe1h9eN iYy2U33nAEZbN+khHO9omRQAbOeencKMGZAFoebCNmIHVqoidx2Kt2PMc1aBSkh5qW sRnyY924oT9aMpqmtjkU537P5tXxWHwuMibg2ukJC8auOM/9vZwxleE8AW5QnuzFkJ FdSL0DRmeYERLYUbUQ1d78UgwYed3pOm0RiMIWX+HWOlI6ZkLGadWbqKtsKG7jmuir AKXvqLMqqe7LZOt1ARtQZZ0QjVL6XWDbHxIp0FpjMn6EoPiykC/MlMG/Ppd4LOLUDj /DR56Kpn5APDw== To: "freebsd-xen@FreeBSD.org" From: Echo Nar Subject: xbd attach as ada Message-ID: Feedback-ID: 37343801:user:proton List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-xen List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-xen@freebsd.org X-BeenThere: freebsd-xen@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[lethedata.com,none]; R_DKIM_ALLOW(-0.20)[lethedata.com:s=protonmail3]; R_SPF_ALLOW(-0.20)[+ip4:185.70.43.0/24]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[freebsd-xen@FreeBSD.org]; RCVD_COUNT_ZERO(0.00)[0]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:62371, ipnet:185.70.43.0/24, country:CH]; TO_DN_EQ_ADDR_ALL(0.00)[]; DKIM_TRACE(0.00)[lethedata.com:+]; BLOCKLISTDE_FAIL(0.00)[185.70.43.23:server fail]; FROM_HAS_DN(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; RWL_MAILSPIKE_POSSIBLE(0.00)[185.70.43.23:from] X-Rspamd-Queue-Id: 4NyFBD2tbcz43fk X-Spamd-Bar: --- X-ThisMailContainsUnwantedMimeParts: N Hello, I've been trying to understand a bit more about how FreeBSD handles xvd (xb= d) disks due to Bug=C2=A0269023. I was wondering why does xbd blocks attach as= ada devices rather than just act as xbd devices directly. dmesg snipit: xbd0: 16384MB at device/vbd/768 on xenbusb_front0 xbd0: attaching as ada0 xbd0: features: write_barrier xbd0: synchronize cache commands enabled. Thanks, Echo Nar