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Received: from librecmc.lan ([192.168.10.1] helo=localhost) by lab.riabenko.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98) (envelope-from ) id 1tVymK-00000000645-2b6U; Thu, 09 Jan 2025 22:05:17 +0200 Date: Thu, 9 Jan 2025 22:05:17 +0200 To: Christophe Pisteur Cc: help guix Subject: Re: Could not prepare Boot variable Message-Id: <20250109220517.f5b53504945220251dab649e@riabenko.com> In-Reply-To: References: X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=185.143.146.30; envelope-from=roman@riabenko.com; helo=lab.riabenko.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.087, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Roman Riabenko From: Roman Riabenko via Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: help-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -5.77 X-Spam-Score: -5.77 X-Migadu-Queue-Id: B0FC487DD7 X-Migadu-Scanner: mx10.migadu.com X-TUID: Bzmfcp7pAcXh Hello Christophe On Thu, 09 Jan 2025 20:01:55 +0100 Christophe Pisteur wrote: > Could not prepare Boot variable: No space left on device I also had this issue recently. The device here is not the boot partition. Instead, the device here is the EFI itself. Check whether you have any files begninning with "dump" in /sys/firmware/efi/efivars/ Those are dump files saved by the pstore kernel module. They should be safe to remove. Removing them frees up space for a new boot variable. I do not recommend rebooting until you complete the failed system reconfiguration. Otherwise, the boot may fail. GRUB did not show up for me at all. To prevent dump files from filling up space, I disabled the pstore backend which saves dump files to efi variables. I added the following configuration in the operating-system declaration. ;; Prevent filling /sys/firmware/efi/efivars/ with dumps (kernel-arguments (cons* "efi_pstore.pstore_disable=1" %default-kernel-arguments)) Hope this helps. Roman