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Tue, 13 Jan 2026 09:52:35 +0100 (CET) From: =?utf-8?q?alexander=2Efeilke=40ew=2Etq-group=2Ecom?= In-Reply-To: <302c38-69287300-35-2a0bce00@4807151> Content-Type: text/plain; charset="utf-8" X-Forward: 127.0.0.1 References: <302c38-69287300-35-2a0bce00@4807151> Date: Tue, 13 Jan 2026 09:52:35 +0100 Cc: "Fabio Estevam" , "Simon Glass" , u-boot@lists.denx.de, u-boot@ew.tq-group.com To: "Tom Rini" MIME-Version: 1.0 Message-ID: Subject: =?utf-8?q?Re=3A?= [BUG] silent hangup when debugging =?utf-8?q?lib/fdtdec=2Ec?= User-Agent: SOGoMail 5.12.1 Content-Transfer-Encoding: quoted-printable X-cloud-security-sender: alexander.feilke@ew.tq-group.com X-cloud-security-recipient: u-boot@lists.denx.de X-cloud-security-crypt: load encryption module X-cloud-security-Mailarchiv: E-Mail archived for: alexander.feilke@ew.tq-group.com X-cloud-security-Mailarchivtype: outbound X-cloud-security-Virusscan: CLEAN X-cloud-security-disclaimer: This E-Mail was scanned by E-Mailservice on mx-relay89-hz1.antispameurope.com with 4dr30g6glVz2pXvx X-cloud-security-connect: he-nlb01-hz1.hornetsecurity.com[94.100.132.6], TLS=1, IP=94.100.132.6 X-cloud-security-Digest: 8a35be522a0d225264531d786fd58fe1 X-cloud-security: scantime:2.074 DKIM-Signature: a=rsa-sha256; bh=BFki2m4DL4L1GcQtZsdTACjLLF+B4uXrSs6gmaMKBvY=; c=relaxed/relaxed; d=ew.tq-group.com; h=content-type:mime-version:subject:from:to:message-id:date; s=hse1; t=1768294366; v=1; b=SskwEExE1O0XXV/R+W/MxQcCkr583mXhr4QswjGmk62Us9eD0Xf/+LAaZlN2X/JzFtsoKkj3 V2t1/t20wIEaL6gHPA2tUA7Kf1/m8W7sGR3tPLRDMNyxVVKucAO1mrysMqj1HG3oZ+TsBSpBrZq WumX8qg1lqKoBk1UHRB5mWY/5yhS7u2u+jTHxbPQantxn27OaWomQyIdaLWZfbjre4bCtaGEZIr XnKKw2ppcURlG+DNaHA1Tf9O6OjygEeSQKAxRRlHchDy5vSKrTt1vTE4YY2+SaVP0o9F+z3VZLO lEksDqM8Jo64CjBhitiEXdH/dqFgsaRTQ2qY56aqxhjQA== X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean > > Description: U-Boot hangs silently during boot when enabling DEBUG=20 > > in lib/fdtdec.c > >=20 > > Not sure if its really a bug or rather a configuration issue on my = side. > >=20 > > Minimal steps to reproduce: > >=20 > > The hang is caused by `panic("FDT overlap");` later inside the if b= lock. > > (see `lib/fdtdec.c:1279` in `fdt=5Ffind=5Fseparate(void)`) > >=20 > > Additionally, no boot log can be seen because serial is initialized= after > > loading the devicetree in this boot stage (see `common/board=5Fr.c:= 665` in > > `initcall=5Frun=5Fr(void)`) > >=20 > > Tested on i.MX6 with configs for tqma6d=5Fmba6 and other tq boards = that > > aren't, mainlined yet (tqma6ulx=5Fmba6ul and tqma7d=5Fmba7). > >=20 > > Any idea what to look for to fix this on our side? > > >=20 > I can boot and reproduce the hangup issue on mx7dsabresd: >=20 > > FDT 8787da38 gd 0091de20 > top 87887538 sp 87800000 > sys=5Finit=5Fsp=5Faddr 0091ff10 > gbl=5Fdata=5Fsize 000000f0 > FDT overlap > resetting ... > System reset not supported on this platform > ### ERROR ### Please RESET the board ### Just want to revive this topic as the issue is still unresolved.