From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33293) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1en1Z7-0001uS-Nn for guix-patches@gnu.org; Sat, 17 Feb 2018 07:26:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1en1Z4-0007Bd-K3 for guix-patches@gnu.org; Sat, 17 Feb 2018 07:26:05 -0500 Received: from debbugs.gnu.org ([208.118.235.43]:39663) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1en1Z4-0007BR-GN for guix-patches@gnu.org; Sat, 17 Feb 2018 07:26:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1en1Z4-0000mP-3v for guix-patches@gnu.org; Sat, 17 Feb 2018 07:26:02 -0500 Subject: [bug#30498] [PATCH shepherd] shepherd: If /dev/kmsg is writable, use it for logging. Resent-Message-ID: Date: Sat, 17 Feb 2018 13:25:12 +0100 From: Danny Milosavljevic Message-ID: <20180217132512.7e895e87@scratchpost.org> In-Reply-To: <20180217122035.1443-1-dannym@scratchpost.org> References: <20180217122035.1443-1-dannym@scratchpost.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+kyle=kyleam.com@gnu.org Sender: "Guix-patches" To: 30498@debbugs.gnu.org It's nice to be able to correlate all the stuff that happens at startup now: Now you can actually see the communication between the processes sometimes :) Example output: $ dmesg ... [ 2.893529] usb 1-6: Manufacturer: Chicony Electronics Co., Ltd. [ 3.056972] shepherd[1]: Service root has been started. [ 3.456744] shepherd[1]: starting services... [ 3.457110] shepherd[1]: Service root-file-system has been started. [ 3.466479] shepherd[1]: waiting for udevd... [ 3.522308] udevd[186]: starting version 3.2.2 [ 3.574506] udevd[186]: starting eudev-3.2.2 [ 3.967420] udevd[186]: no sender credentials received, message ignored [ 4.030350] Non-volatile memory driver v1.3 [ 4.059448] thinkpad_acpi: ThinkPad ACPI Extras v0.25 ... [ 5.298348] ath9k_htc 2-2:1.0 wlp0s29f7u2: renamed from wlan0 [ 5.381098] fbcon: inteldrmfb (fb0) is primary device [ 5.938603] Console: switching to colour frame buffer device 160x50 [ 5.958004] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 5.993028] shepherd[1]: Service udev has been started. [ 10.953719] Btrfs loaded, crc32c=crc32c-generic [ 10.955704] BTRFS: device label dayas-home devid 1 transid 260833 /dev/dm-0 [ 10.983703] shepherd[1]: Service device-mapping-dayas-home has been started. [ 10.984000] shepherd[1]: Service user-file-systems has been started. [ 11.049660] BTRFS info (device dm-0): disk space caching is enabled [ 11.049663] BTRFS info (device dm-0): has skinny extents [ 11.219716] BTRFS info (device dm-0): enabling ssd optimizations [ 11.236633] shepherd[1]: Service file-system-/home has been started. [ 11.237366] shepherd[1]: Service file-system-/dev/pts has been started. [ 11.237997] shepherd[1]: Service file-system-/dev/shm has been started. [ 11.238568] shepherd[1]: Service file-system-/gnu/store has been started. [ 11.239180] shepherd[1]: Service file-system-/run/systemd has been started. [ 11.239839] shepherd[1]: Service file-system-/run/user has been started. [ 11.240465] shepherd[1]: Service file-system-/sys/fs/cgroup has been started. [ 11.241261] shepherd[1]: Service file-system-/sys/fs/cgroup/elogind has been started. [ 16.538532] shepherd[1]: Respawning thermald. ... [ 21.862151] IPv6: ADDRCONF(NETDEV_CHANGE): wlp0s29f7u2: link becomes ready [ 345.176995] shepherd[1]: Respawning xorg-server. [ 345.178541] shepherd[1]: Service xorg-server has been started. [ 764.782498] perf: interrupt took too long (2526 > 2500), lowering kernel.perf_event_max_sample_rate to 79000