From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wout3-smtp.messagingengine.com (wout3-smtp.messagingengine.com [64.147.123.19]) by mx.groups.io with SMTP id smtpd.web09.9629.1620227481151466679 for ; Wed, 05 May 2021 08:11:21 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@fastmail.fm header.s=fm3 header.b=PE7xlo+c; spf=pass (domain: fastmail.fm, ip: 64.147.123.19, mailfrom: manwag@fastmail.fm) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id 6357B1297 for ; Wed, 5 May 2021 11:11:20 -0400 (EDT) Received: from imap9 ([10.202.2.59]) by compute3.internal (MEProxy); Wed, 05 May 2021 11:11:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastmail.fm; h= mime-version:message-id:in-reply-to:references:date:from:to :subject:content-type; s=fm3; bh=VrAiq8MnIRalmfdfb8b4XVLUtePOqmS 3+MFCOl52azM=; b=PE7xlo+c3P/i9R9UkDZol9vdPOG1IRRxWtxzB7aKw4pYKp8 CvkyuKoE7kzNBne2YoJ8ke+A2w/yi0N3l4unnFSeSQaFk9yFb1hHR1R2mqDTNWAA Pz6Dlk7f2l1D9k6EZPuICzlnt54ej8wAcbmFvsSciJHpLG54DUBOY+5m5n/pfLIP xnMJ0/oUBoCs1OzSZuz4BFIclCfrcm5LUZGwx3UGEjkR8U5GmLsOqS4Nia0ltaEo EVZU3Sx53g44T1YqQ6kVv+kGKADQd8OjOea6BIjA2IVkLtdiFmA2wnbJJUlDZW6w Y6tVg4jpGFXW8H54xFIbU6gYRv/EuTSo0PGnpKw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=VrAiq8 MnIRalmfdfb8b4XVLUtePOqmS3+MFCOl52azM=; b=gUdOB0IQcAUksxcdB2uvWD W0gbJ290y1oDkBMglNubW36Z0FV7LBQHFyS4PhJjGooYGx0uXGdHQgdfInTvHlQ6 jejkq97Qzj29bQzq9XLSE5amGzanNId6pVj6LPWsDwpu6D/wvjvB/A8R2G2oxnyC Nq6JRX+Go5pO+nu2oABecs0kZbDp13sMlNLKM1FTEhv35usr0uLseGwLddfTl5TA zJllDHMYYegZeACTDBUbT+kKXaqm8i72oMI9BCQSMcuAL8OCbhUATRK9fqh3bJFK BQ7KH6Q6RctYajEDBplN0FYtQr//TN8gSaikbhqMO7E40gDLne2pSxUyALDVLlaQ == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdefkedgkeduucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefofgggkfgjfhffhffvufgtsegrtd erreerredtnecuhfhrohhmpedfofgrnhhuvghlucghrghgvghsrhgvihhthhgvrhdfuceo ofgrnhghrghgsefhrghsthforghilhdrhffoqeenucggtffrrghtthgvrhhnpeelhedthf ehieetfeetgfdvjeefueelheevgfdvkeeiheejfedvueehveffudejvdenucevlhhushht vghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpeforghnhggrgheshfgrsh htofgrihhlrdfhof X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id D6C1C2E0062; Wed, 5 May 2021 11:11:19 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.5.0-alpha0-442-g5daca166b9-fm-20210428.001-g5daca166 Mime-Version: 1.0 Message-Id: In-Reply-To: <28966.1620221649842149776@lists.yoctoproject.org> References: <28966.1620221649842149776@lists.yoctoproject.org> Date: Wed, 05 May 2021 17:10:59 +0200 From: "Manuel Wagesreither" To: yocto@lists.yoctoproject.org Subject: Re: [yocto] [meta-raspberrypi] Booting a Raspberry Pi 4 using PXE Content-Type: multipart/alternative; boundary=33980d4b58984f458000dac8e5f96948 --33980d4b58984f458000dac8e5f96948 Content-Type: text/plain Hello Anton, Am Mi, 5. Mai 2021, um 15:34, schrieb Anton Antonov: > I don't know what exactly you mean by "whenever the Raspi is booting over the network". > When a machine boots from network (i,e. using DHCP/BOOTP) then usually DHCP server points to, for example, a TFTP server where the kernel and initramfs should be obtained from and kernel parameters. So, you need to check your DHCP/TFTP/etc servers configuration for kernel parameters. The boot files (kernel, kernel parameters, device tree overlays, ...) served by TFTP are bit-identical to the ones present at `/boot` of the usb stick. When I boot over PXE/BOOTP/DHCP/TFTP/etc, something seems to replace all occurences of `8250.nr_uarts=1` with `8250.nr_uarts=0`. When I boot using usb drive using the exact same files, this doesn't happen and uart is active. Regards, Manuel --33980d4b58984f458000dac8e5f96948 Content-Type: text/html Content-Transfer-Encoding: quoted-printable
Hello Anton,

Am Mi, 5. Mai 2021, um 15:34, schrieb Anton A= ntonov:
I d= on't know what exactly you mean by "whenever the Raspi is booting over t= he network".
When a machine boots from network (i,e. usin= g DHCP/BOOTP) then usually DHCP server points to, for example, a TFTP se= rver where the kernel and initramfs should be obtained from and kernel p= arameters. So, you need to check your DHCP/TFTP/etc servers configuratio= n for kernel parameters.

The = boot files (kernel, kernel parameters, device tree overlays, ...) served= by TFTP are bit-identical to the ones present at `/boot` of the usb sti= ck.

When I boot over PXE/BOOTP/DHCP/TFTP/et= c, something seems to replace all occurences of `8250.nr_uarts=3D1` with= `8250.nr_uarts=3D0`. When I boot using usb drive using the exact same f= iles, this doesn't happen and uart is active.


Regards,
Manuel
--33980d4b58984f458000dac8e5f96948--