From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Wed, 20 Apr 2016 11:55:41 +0200 Subject: SoCFPGA with CONFIG_THUMB2_KERNEL boot error In-Reply-To: References: <20160419140220.GA9503@pengutronix.de> <20160420092516.GA21732@e103592.cambridge.arm.com> Message-ID: <20160420095541.GG31470@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Apr 20, 2016 at 11:43:30AM +0200, Ard Biesheuvel wrote: > (replying to self) > > On 20 April 2016 at 11:39, Ard Biesheuvel wrote: > > (+ Arnd) > > > > On 20 April 2016 at 11:25, Dave Martin wrote: > >> On Tue, Apr 19, 2016 at 04:02:20PM +0200, Steffen Trumtrar wrote: > >>> Hi! > >>> > >>> According to kernelci.org (and validating on my own hardware), the current > >>> socfpga mainline kernel has an issue with CONFIG_THUMB2_KERNEL enabled. > >>> > >>> https://storage.kernelci.org/mainline/v4.6-rc4-11-g12566cc35d0e/arm-multi_v7_defconfig/lab-khilman/boot-socfpga_cyclone5_de0_sockit.html > >>> > >>> vs > >>> > >>> https://storage.kernelci.org/mainline/v4.6-rc4-11-g12566cc35d0e/arm-multi_v7_defconfig+CONFIG_THUMB2_KERNEL=y/lab-khilman/boot-socfpga_cyclone5_de0_sockit.html > >>> > >>> Both boot successfully, but notice that the board fails to bring up CPU1 if > >>> thumb2 support is enabled. > >>> > >>> Any ideas why this might be happening? > >> > > Actually, this looks like a problem with the secondary entry point to > me. Could you try this? Been there, done that. Unfortunately this does not solve the problem. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |