From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.mail.ru (smtp1.mail.ru [94.100.176.129]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 5B6F92C007C for ; Thu, 21 Feb 2013 06:43:08 +1100 (EST) Message-ID: <51253558.1070407@mail.ru> Date: Wed, 20 Feb 2013 21:43:04 +0100 From: Phileas Fogg MIME-Version: 1.0 To: Phileas Fogg Subject: Re: PS3: Strange issue with kexec and FreeBSD loader References: <1360365046.495584377@f356.mail.ru> <5123C729.5040607@mail.ru> <5123D864.4060503@mail.ru> In-Reply-To: <5123D864.4060503@mail.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Phileas Fogg wrote: > Phileas Fogg wrote: >> I could finally find the commit which broke FreeBSD booting in linux-stable.git >> repository. >> The Linux 3.4-rc1 seems to have this problem already. >> >> -------------- >> commit 5375871d432ae9fc581014ac117b96aaee3cd0c7 >> Merge: b57cb72 dfbc2d7 >> Author: Linus Torvalds >> Date: Wed Mar 21 18:55:10 2012 -0700 >> >> Merge branch 'next' of >> git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc >> >> Pull powerpc merge from Benjamin Herrenschmidt: >> "Here's the powerpc batch for this merge window. It is going to be a >> bit more nasty than usual as in touching things outside of >> arch/powerpc mostly due to the big iSeriesectomy :-) We finally got >> rid of the bugger (legacy iSeries support) which was a PITA to >> maintain and that nobody really used anymore. >> >> Here are some of the highlights: >> >> - Legacy iSeries is gone. Thanks Stephen ! There's still some bits >> and pieces remaining if you do a grep -ir series arch/powerpc but >> they are harmless and will be removed in the next few weeks >> hopefully. >> >> - The 'fadump' functionality (Firmware Assisted Dump) replaces the >> previous (equivalent) "pHyp assisted dump"... it's a rewrite of a >> mechanism to get the hypervisor to do crash dumps on pSeries, the >> new implementation hopefully being much more reliable. Thanks >> Mahesh Salgaonkar. >> >> - The "EEH" code (pSeries PCI error handling & recovery) got a big >> spring cleaning, motivated by the need to be able to implement a >> new backend for it on top of some new different type of firwmare. >> >> The work isn't complete yet, but a good chunk of the cleanups is >> there. Note that this adds a field to struct device_node which is >> not very nice and which Grant objects to. I will have a patch soon >> that moves that to a powerpc private data structure (hopefully >> before rc1) and we'll improve things further later on (hopefully >> getting rid of the need for that pointer completely). Thanks Gavin >> Shan. >> >> - I dug into our exception & interrupt handling code to improve the >> way we do lazy interrupt handling (and make it work properly with >> "edge" triggered interrupt sources), and while at it found & fixed >> a wagon of issues in those areas, including adding support for page >> fault retry & fatal signals on page faults. >> >> - Your usual random batch of small fixes & updates, including a bunch >> of new embedded boards, both Freescale and APM based ones, etc..." >> >> I fixed up some conflicts with the generalized irq-domain changes from >> Grant Likely, hopefully correctly. >> >> * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: >> (141 commits) >> powerpc/ps3: Do not adjust the wrapper load address >> powerpc: Remove the rest of the legacy iSeries include files >> powerpc: Remove the remaining CONFIG_PPC_ISERIES pieces >> init: Remove CONFIG_PPC_ISERIES >> powerpc: Remove FW_FEATURE ISERIES from arch code >> tty/hvc_vio: FW_FEATURE_ISERIES is no longer selectable >> powerpc/spufs: Fix double unlocks >> powerpc/5200: convert mpc5200 to use of_platform_populate() >> powerpc/mpc5200: add options to mpc5200_defconfig >> powerpc/mpc52xx: add a4m072 board support >> powerpc/mpc5200: update mpc5200_defconfig to fit for charon board >> Documentation/powerpc/mpc52xx.txt: Checkpatch cleanup >> powerpc/44x: Add additional device support for APM821xx SoC and Bluestone >> board >> powerpc/44x: Add support PCI-E for APM821xx SoC and Bluestone board >> MAINTAINERS: Update PowerPC 4xx tree >> powerpc/44x: The bug fixed support for APM821xx SoC and Bluestone board >> powerpc: document the FSL MPIC message register binding >> powerpc: add support for MPIC message register API >> powerpc/fsl: Added aliased MSIIR register address to MSI node in dts >> powerpc/85xx: mpc8548cds - add 36-bit dts >> ... >> >> _______________________________________________ >> Linuxppc-dev mailing list >> Linuxppc-dev@lists.ozlabs.org >> https://lists.ozlabs.org/listinfo/linuxppc-dev > > Reverting this commit fixes the problem with SHA256 checkusm in the purgatory > code too. I'm trying to find out which commit exactly caused the problem. > > regards > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev I found the single commit which brakes kexec stuff for FreeBSD loader or other custom ELF kernels on the PS3 console. From 7230c5644188cd9e3fb380cc97dde00c464a3ba7 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Tue, 6 Mar 2012 18:27:59 +1100 Subject: [PATCH] powerpc: Rework lazy-interrupt handling regards