From unknown Fri Jun 20 07:11:38 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#22797 <22797@debbugs.gnu.org> To: bug#22797 <22797@debbugs.gnu.org> Subject: Status: Using UUID for vfat file system is impossible Reply-To: bug#22797 <22797@debbugs.gnu.org> Date: Fri, 20 Jun 2025 14:11:38 +0000 retitle 22797 Using UUID for vfat file system is impossible reassign 22797 guix submitter 22797 Alex Kost severity 22797 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Wed Feb 24 14:33:22 2016 Received: (at submit) by debbugs.gnu.org; 24 Feb 2016 19:33:22 +0000 Received: from localhost ([127.0.0.1]:44203 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aYfBa-0004kZ-JL for submit@debbugs.gnu.org; Wed, 24 Feb 2016 14:33:22 -0500 Received: from eggs.gnu.org ([208.118.235.92]:57249) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aYfBZ-0004kM-3T for submit@debbugs.gnu.org; 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Wed, 24 Feb 2016 11:33:09 -0800 (PST) Received: from leviafan ([217.107.192.146]) by smtp.gmail.com with ESMTPSA id rx1sm572886lbb.22.2016.02.24.11.32.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Feb 2016 11:32:59 -0800 (PST) From: Alex Kost To: bug-guix@gnu.org Subject: Using UUID for vfat file system is impossible Date: Wed, 24 Feb 2016 22:32:59 +0300 Message-ID: <87egc1dhuc.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) Hello, unlike other file system types, FAT volumes have short UUIDs, for example: "58D7-4FA5", but such an UUID cannot be used in an operating system declaration: (file-system (device (uuid "58D7-4FA5")) (title 'uuid) (type "vfat") ;; ... ) because (uuid "58D7-4FA5") errors. -- Alex From debbugs-submit-bounces@debbugs.gnu.org Thu Feb 25 13:33:05 2016 Received: (at 22797-done) by debbugs.gnu.org; 25 Feb 2016 18:33:05 +0000 Received: from localhost ([127.0.0.1]:46375 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aZ0in-0001ak-K1 for submit@debbugs.gnu.org; Thu, 25 Feb 2016 13:33:05 -0500 Received: from eggs.gnu.org ([208.118.235.92]:56247) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aZ0im-0001aI-9O for 22797-done@debbugs.gnu.org; Thu, 25 Feb 2016 13:33:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aZ0id-0000k5-U0 for 22797-done@debbugs.gnu.org; Thu, 25 Feb 2016 13:32:59 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_20 autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:43910) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZ0id-0000k1-QI; Thu, 25 Feb 2016 13:32:55 -0500 Received: from reverse-83.fdn.fr ([80.67.176.83]:58078 helo=pluto) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aZ0id-0008KU-4Y; Thu, 25 Feb 2016 13:32:55 -0500 From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) To: Alex Kost Subject: Re: bug#22797: Using UUID for vfat file system is impossible References: <87egc1dhuc.fsf@gmail.com> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 7 =?utf-8?Q?Vent=C3=B4se?= an 224 de la =?utf-8?Q?R?= =?utf-8?Q?=C3=A9volution?= X-PGP-Key-ID: 0x3D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-unknown-linux-gnu Date: Thu, 25 Feb 2016 19:32:52 +0100 In-Reply-To: <87egc1dhuc.fsf@gmail.com> (Alex Kost's message of "Wed, 24 Feb 2016 22:32:59 +0300") Message-ID: <87vb5c3ajv.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 22797-done Cc: 22797-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.0 (/) --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Alex Kost skribis: > Hello, unlike other file system types, FAT volumes have short UUIDs, > for example: "58D7-4FA5", but such an UUID cannot be used in an > operating system declaration: > > (file-system > (device (uuid "58D7-4FA5")) > (title 'uuid) > (type "vfat") > ;; ... > ) > > because (uuid "58D7-4FA5") errors. That=E2=80=99s expected. :-) I=E2=80=99ve clarified this in 0767f6a: --=-=-= Content-Type: text/x-patch Content-Disposition: inline @@ -6302,7 +6302,12 @@ is interpreted as a partition label name; when it is @code{uuid}, @code{device} is interpreted as a partition unique identifier (UUID). UUIDs may be converted from their string representation (as shown by the -@command{tune2fs -l} command) using the @code{uuid} form, like this: +@command{tune2fs -l} command) using the @code{uuid} form@footnote{The +@code{uuid} form expects 16-byte UUIDs as defined in +@uref{https://tools.ietf.org/html/rfc4122, RFC@tie{}4122}. This is the +form of UUID used by the ext2 family of file systems and others, but it +is different from ``UUIDs'' found in FAT file systems, for instance.}, +like this: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable When we implement FAT UUIDs, we=E2=80=99ll either adjust the =E2=80=98uuid= =E2=80=99 form or introduce a separate =E2=80=98fat-uuid=E2=80=99 form. Thanks, Ludo=E2=80=99. --=-=-=-- From debbugs-submit-bounces@debbugs.gnu.org Thu Feb 25 14:50:26 2016 Received: (at 22797-done) by debbugs.gnu.org; 25 Feb 2016 19:50:26 +0000 Received: from localhost ([127.0.0.1]:46386 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aZ1ve-0003Qc-Nq for submit@debbugs.gnu.org; Thu, 25 Feb 2016 14:50:26 -0500 Received: from mail-lf0-f53.google.com ([209.85.215.53]:32778) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aZ1vc-0003QQ-O5 for 22797-done@debbugs.gnu.org; Thu, 25 Feb 2016 14:50:25 -0500 Received: by mail-lf0-f53.google.com with SMTP id m1so40323582lfg.0 for <22797-done@debbugs.gnu.org>; Thu, 25 Feb 2016 11:50:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type:content-transfer-encoding; bh=7kt8FrvES90NgYcnHMabrwJQeEv3+79LL79WCkNjAL0=; b=YPHgTDV+tXuYHlYDGPhm3bG9MVdHHElZkxXg1EageJSWfGepWx2jgju7Lk6c1qpjrV pnwPa2c0ONkM3IIFhYbySoLZCeENTaxiXISc05cmXMIg9xoBAg17EcTa//czd8FZiDVd wGNIqRsiFpdm2xTyYpxOrcPf84vHwWWsgeEfHBRfmRbkzZo5KalsHKsEV1jNuQvtu9pZ X4bwSXtSV/2gezAQvXAjgAxWBiq9DkNWpUcM/sacvlSKFob7IcjogEKedmmbx2iSFS3N jXAxA6iXbYBrXcd2pQ0cj4IUVsAztTgdAgsSI2SjttNUgLc4FqCNXijn/RMD0lBFSunM qRUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-type :content-transfer-encoding; bh=7kt8FrvES90NgYcnHMabrwJQeEv3+79LL79WCkNjAL0=; b=eDAhaL7NWQZbop+3aGzUEBi21bdnnkPpaONTYR/CIuS3pk9nBDMUavig4AtsQ/V4S0 0Dtvs7L9E6ARYoaOD9+aOr4Cl0zhiim1Frzxu3EDOBko1h/ImKJoblJQtgp6Rr9CP47N QVDlNqM7bcmEi3QpCxYEwNj9JhQBgS4O2+HT9K1iFDFrODnh2ka9OLlddyArUFhX4vf0 DAC3Xo/ujQHmURl+jpKUdrEPj66uq6TBwXMPaAj5ZelaHUGZTL1bnev99qY+vUzXYZaR dyC4+sfmqKCo0yeWX4YxnKETcH4PQ8/HlhJGVEr1kejYA19Y8fmzKA6TUt5VbHeQxIa2 ZW+Q== X-Gm-Message-State: AG10YOQVHkrAUeGiHRooqIp2HYDtwAH63awxgzVfNjMhuqa4ozRbay+DTKvivKYODbiKEg== X-Received: by 10.25.91.20 with SMTP id p20mr14383787lfb.79.1456429818471; Thu, 25 Feb 2016 11:50:18 -0800 (PST) Received: from leviafan ([217.107.192.146]) by smtp.gmail.com with ESMTPSA id 34sm1370685lfv.35.2016.02.25.11.50.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 25 Feb 2016 11:50:17 -0800 (PST) From: Alex Kost To: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Subject: Re: bug#22797: Using UUID for vfat file system is impossible References: <87egc1dhuc.fsf@gmail.com> <87vb5c3ajv.fsf@gnu.org> Date: Thu, 25 Feb 2016 22:50:19 +0300 In-Reply-To: <87vb5c3ajv.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Thu, 25 Feb 2016 19:32:52 +0100") Message-ID: <8760xcpo1w.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 22797-done Cc: 22797-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.0 (/) Ludovic Court=C3=A8s (2016-02-25 21:32 +0300) wrote: > Alex Kost skribis: > >> Hello, unlike other file system types, FAT volumes have short UUIDs, >> for example: "58D7-4FA5", but such an UUID cannot be used in an >> operating system declaration: >> >> (file-system >> (device (uuid "58D7-4FA5")) >> (title 'uuid) >> (type "vfat") >> ;; ... >> ) >> >> because (uuid "58D7-4FA5") errors. > > That=E2=80=99s expected. :-) I=E2=80=99ve clarified this in 0767f6a: Ah, actually I thought it's expected as this is not a "normal" UUID. Thanks for the clarification. --=20 Alex From unknown Fri Jun 20 07:11:38 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Fri, 25 Mar 2016 11:24:04 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator