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[108.223.40.66]) by smtp.gmail.com with ESMTPSA id m18-v6sm15529111pfk.149.2018.10.15.14.18.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Oct 2018 14:18:17 -0700 (PDT) Date: Mon, 15 Oct 2018 14:18:15 -0700 From: Guenter Roeck To: Rob Herring Subject: Re: linux-next: Tree for Oct 15 Message-ID: <20181015211815.GA24993@roeck-us.net> References: <20181015192546.15faf3a1@canb.auug.org.au> <20181015182637.GA16445@roeck-us.net> <20181016071240.3f62816d@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stephen Rothwell , "linux-kernel@vger.kernel.org" , linux-next , linuxppc-dev Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, Oct 15, 2018 at 03:35:12PM -0500, Rob Herring wrote: > On Mon, Oct 15, 2018 at 3:12 PM Stephen Rothwell wrote: > > > > Hi Guenter, > > > > [Just cc'ing the PPC and devicetree folks] > > > > On Mon, 15 Oct 2018 11:26:37 -0700 Guenter Roeck wrote: > > > > > > On Mon, Oct 15, 2018 at 07:25:46PM +1100, Stephen Rothwell wrote: > > > > > > > > My qemu boots of a powerpc pseries_le_defconfig kernel failed today. > > > > > > Same here. Interestingly, this only affects little endian pseries > > > boots; big endian works fine. I'll try to bisect later. > > > > > > ALl ppc qemu tests (including big endian pseries) also generate a warning. > > > > > > WARNING: CPU: 0 PID: 0 at mm/memblock.c:1301 .memblock_alloc_range_nid+0x20/0x68 > > > Modules linked in: > > > CPU: 0 PID: 0 Comm: swapper Not tainted 4.19.0-rc7-next-20181015 #1 > > > NIP: c000000000f99198 LR: c000000000f99490 CTR: c000000000bb8364 > > > REGS: c000000001217a78 TRAP: 0700 Not tainted (4.19.0-rc7-next-20181015) > > > MSR: 0000000080021000 CR: 24000422 XER: 20000000 > > > IRQMASK: 1 > > > GPR00: c000000000f99490 c000000001217d00 c00000000121a500 00000000000000c0 > > > GPR04: 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff > > > GPR08: 0000000000000000 00000000000000c0 0000000000000018 00000000000000b7 > > > GPR12: 0000000000000040 c000000000fe7840 0000000000000000 0000000000000000 > > > GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > > GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > > GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > > GPR28: c000000000000304 c000000001262088 00000000000000c0 c000000000fea500 > > > NIP [c000000000f99198] .memblock_alloc_range_nid+0x20/0x68 > > > LR [c000000000f99490] .memblock_alloc_base+0x18/0x48 > > > Call Trace: > > > [c000000001217d00] [c000000002a00000] 0xc000000002a00000 (unreliable) > > > [c000000001217d80] [c000000000f99490] .memblock_alloc_base+0x18/0x48 > > > [c000000001217df0] [c000000000f7a274] .allocate_paca_ptrs+0x3c/0x74 > > > [c000000001217e70] [c000000000f78bf0] .early_init_devtree+0x288/0x320 > > > [c000000001217f10] [c000000000f79b6c] .early_setup+0x80/0x130 > > > [c000000001217f90] [c000000000000528] start_here_multiplatform+0x68/0x80 > > > > > > > > > sparc images crash, starting with next-20181009. Bisect with > > > next-201810112 points to the merge of devicetree/for-next, though > > > devicetree/for-next itself does not have the problem (bisect log > > > attached below). The crash is in devicetree code. > > > > > > Crash logs: > > > https://kerneltests.org/builders/qemu-sparc64-next/builds/981/steps/qemubuildcommand_1/logs/stdio > > > https://kerneltests.org/builders/qemu-sparc-next/builds/975/steps/qemubuildcommand_1/logs/stdio > > The sparc crash appears to be related to changes I made. Looking into it. > Let me know if you need me to test anything or do some debugging. Thanks, Guenter