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[185.136.65.227]) by gmr-mx.google.com with ESMTPS id ffacd0b85a97d-432be512e98si177009f8f.10.2026.01.09.03.03.40 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Jan 2026 03:03:40 -0800 (PST) Received-SPF: pass (google.com: domain of fm-68982-20260109110340798675a86c000207dd-ie_csu@rts-flowmailer.siemens.com designates 185.136.65.227 as permitted sender) client-ip=185.136.65.227; Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 20260109110340798675a86c000207dd for ; Fri, 09 Jan 2026 12:03:40 +0100 Message-ID: Subject: Re: [PATCH] installer: suppress kernel info/debug messages From: "'Florian Bezdeka' via isar-users" To: "Heinisch, Alexander (FT RPD CED SES-AT)" , "amikan@ilbers.de" , "isar-users@googlegroups.com" , "Prusty, Badrikesh (FT FDS CES LX PBU 2)" Date: Fri, 09 Jan 2026 12:03:39 +0100 In-Reply-To: <127da51abc14bc7fcf2bd295b98bec90ebd95cee.camel@siemens.com> References: <20251223021555.289180-1-badrikesh.prusty@siemens.com> <127da51abc14bc7fcf2bd295b98bec90ebd95cee.camel@siemens.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-68982:519-21489:flowmailer X-Original-Sender: florian.bezdeka@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=fm1 header.b=eHcu6k1k; spf=pass (google.com: domain of fm-68982-20260109110340798675a86c000207dd-ie_csu@rts-flowmailer.siemens.com designates 185.136.65.227 as permitted sender) smtp.mailfrom=fm-68982-20260109110340798675a86c000207dd-Ie_csu@rts-flowmailer.siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Florian Bezdeka Reply-To: Florian Bezdeka Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,RCVD_IN_RP_CERTIFIED, RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: wXw/GdsJ92OI On Fri, 2026-01-09 at 10:54 +0000, Heinisch, Alexander (FT RPD CED SES- AT) wrote: > On Mon, 2026-01-05 at 11:24 +0200, Anton Mikanovich wrote: > > Applied to next, thanks. > Sry for the late reply - holiday season :-) >=20 > >=20 > > 23/12/2025 04:15, 'Badrikesh Prusty' via isar-users wrote: > > > Lower the kernel log level to 4 to suppress notice, info, and debug > > > messages on the console. > > > This prevents audit and driver messages from cluttering the screen > > > while keeping critical errors and systemd service status output > > > visible, resulting in a cleaner installer UI. > > >=20 > > > Signed-off-by: Badrikesh Prusty > > > --- > > > =C2=A0 meta-isar/recipes-core/images/isar-image-installer.bb | 3 ++- > > > =C2=A0 1 file changed, 2 insertions(+), 1 deletion(-) > > >=20 > > > diff --git a/meta-isar/recipes-core/images/isar-image-installer.bb > > > b/meta-isar/recipes-core/images/isar-image-installer.bb > > > index 3511f3f6..a58f8849 100644 > > > --- a/meta-isar/recipes-core/images/isar-image-installer.bb > > > +++ b/meta-isar/recipes-core/images/isar-image-installer.bb > > > @@ -11,7 +11,8 @@ DESCRIPTION =3D "Example of a ISAR based Installer > > > Image" > > > =C2=A0 INSTALLER_WKS_FILE ??=3D "installer-efi.wks.in" > > > =C2=A0 WKS_FILE =3D "${INSTALLER_WKS_FILE}" > > > =C2=A0=20 > > > -ADDITIONAL_KERNEL_CMDLINE ??=3D "" > > > +# Hide kernel warning/info/debug messages > > > +ADDITIONAL_KERNEL_CMDLINE ??=3D "loglevel=3D4" > > >=20 >=20 > I guess the reason for that is to have readable output while running > the target bootstrapper? > As for the installer image this service is run pretty late, maybe you > could reduce kernel logs when starting that service? (e.g. > PreStart=3D...) Which service? We're talking about kernel cmdline arguments here. Those have impact on system startup/boot already. PreStart=3D seems to point into the direction of systemd, which is involved way later in the boot process. >=20 > > > =C2=A0=20 > > > =C2=A0 OVERRIDES .=3D "${@':unattended-installer' if > > > bb.utils.to_boolean(d.getVar('INSTALLER_UNATTENDED')) else ''}" > > > =C2=A0 ADDITIONAL_KERNEL_CMDLINE:append:unattended-installer =3D " \ >=20 >=20 --=20 You received this message because you are subscribed to the Google Groups "= isar-users" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to isar-users+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/isar-users/= e6ace7a34fbb8b4b77f228dfe505468bd565c3f1.camel%40siemens.com.