From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: next: fuloong2e qemu boot failure due to 'MIPS: Loongson: AddLoongson-3A R2 basic support' Date: Fri, 13 May 2016 06:42:53 -0700 Message-ID: <5735D9DD.1030408@roeck-us.net> References: <20160420025454.GA17200@roeck-us.net> <5717090E.2050004@roeck-us.net> <57354E33.8080905@roeck-us.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from bh-25.webhostbox.net ([208.91.199.152]:42641 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752480AbcEMNm6 (ORCPT ); Fri, 13 May 2016 09:42:58 -0400 In-Reply-To: Sender: linux-next-owner@vger.kernel.org List-ID: To: Huacai Chen Cc: Ralf Baechle , linux-mips , linux-next , linux-kernel On 05/12/2016 10:49 PM, Huacai Chen wrote: > I'll send a patch, but it seems be ignored by maintainer. > https://patchwork.linux-mips.org/patch/13136/ > It is marked as accepted, so it should be in Ralf's queue. Thanks, Guenter > Huacai > > On Fri, May 13, 2016 at 11:46 AM, Guenter Roeck = wrote: >> On 04/19/2016 10:41 PM, Huacai Chen wrote: >>> >>> This is a kernel bug, I'll send a patch. >>> >> >> Did you ever send a patch to fix this problem ? It is still broken i= n >> next-20160512. >> >> Guenter >> >> >>> Huacai >>> >>> On Wed, Apr 20, 2016 at 12:43 PM, Guenter Roeck >>> wrote: >>>> >>>> On 04/19/2016 08:37 PM, =E9=99=88=E5=8D=8E=E6=89=8D wrote: >>>>> >>>>> >>>>> Hi, >>>>> >>>>> Could you please remove the line "#define cpu_hwrena_impl_bits >>>>> 0xc0000000" in >>>>> arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h >>>>> and try again?Thanks. >>>>> >>>> >>>> That fixes the problem. >>>> >>>> Does this need to be addressed in qemu or in the Linux kernel ? >>>> >>>> Thanks, >>>> Guenter >>>> >>>> >>>>> Huacai >>>>> >>>>> ------------------ Original ------------------ >>>>> From: "Guenter Roeck"; >>>>> Date: Wed, Apr 20, 2016 10:54 AM >>>>> To: "Huacai Chen"; >>>>> Cc: "Ralf Baechle"; >>>>> "linux-mips"; >>>>> "linux-next"; >>>>> "linux-kernel"; >>>>> Subject: next: fuloong2e qemu boot failure due to 'MIPS: Loongso= n: >>>>> AddLoongson-3A R2 basic support' >>>>> >>>>> Hi, >>>>> >>>>> qemu fails to boot in -next for machine fulong2e with configurati= on >>>>> fuloong2e_defconfig. Bisect points to commit 'MIPS: Loongson: Add >>>>> Loongson-3A R2 basic support'. qemu hangs in boot, after displayi= ng >>>>> "Inode-cache hash table entries: 16384 (order: 3, 131072 bytes)". >>>>> >>>>> Bisect log is attached. >>>>> >>>>> Guenter >>>>> >>>>> --- >>>>> # bad: [1bd7a2081d2c7b096f75aa934658e404ccaba5fd] Add linux-next >>>>> specific >>>>> files for 20160418 >>>>> # good: [bf16200689118d19de1b8d2a3c314fc21f5dc7bb] Linux 4.6-rc3 >>>>> git bisect start 'HEAD' 'v4.6-rc3' >>>>> # bad: [493ac92ff65ec4c4cd4c43870e778760a012951d] Merge remote-tr= acking >>>>> branch 'ipvs-next/master' >>>>> git bisect bad 493ac92ff65ec4c4cd4c43870e778760a012951d >>>>> # bad: [20ca3ae9c517eee9b2f1bd0fb2a06e2d14153792] Merge remote-tr= acking >>>>> branch 'btrfs-kdave/for-next' >>>>> git bisect bad 20ca3ae9c517eee9b2f1bd0fb2a06e2d14153792 >>>>> # good: [c454e65fb9ade11d0f84718d06a6888e2c92804d] Merge remote-t= racking >>>>> branch 'omap/for-next' >>>>> git bisect good c454e65fb9ade11d0f84718d06a6888e2c92804d >>>>> # good: [6f5c70fb9b4fc0534157bfa40cea9b402e6f2506] Merge remote-t= racking >>>>> branch 'microblaze/next' >>>>> git bisect good 6f5c70fb9b4fc0534157bfa40cea9b402e6f2506 >>>>> # bad: [7f053cd68fd14243c8f202b4086d7dd75c409e6f] MIPS: Loongson-= 3: >>>>> Introduce CONFIG_LOONGSON3_ENHANCEMENT >>>>> git bisect bad 7f053cd68fd14243c8f202b4086d7dd75c409e6f >>>>> # good: [e9aacdd7f0b66c4ace17e5950c48e7cc61a253c8] MIPS: Allow RI= XI to >>>>> be >>>>> used on non-R2 or R6 cores >>>>> git bisect good e9aacdd7f0b66c4ace17e5950c48e7cc61a253c8 >>>>> # good: [d1e8b9a8dc6c7fa9add5dfa7083e035ce037e56d] MAINTAINERS: a= dd >>>>> Loongson1 architecture entry >>>>> git bisect good d1e8b9a8dc6c7fa9add5dfa7083e035ce037e56d >>>>> # good: [13ff6275bb389c3669082d3ef8483592a31eb0ea] MIPS: Fix sigi= nfo.h >>>>> to >>>>> use strict posix types >>>>> git bisect good 13ff6275bb389c3669082d3ef8483592a31eb0ea >>>>> # good: [66e74bdd51e617023fa2e79a807b704fb3eed8aa] MIPS: Enable p= trace >>>>> hw >>>>> watchpoints on MIPS R6 >>>>> git bisect good 66e74bdd51e617023fa2e79a807b704fb3eed8aa >>>>> # good: [f7cabc2dac8adf5986dbc700584bc3b8fe493d4d] MIPS: Loongson= -3: >>>>> Adjust irq dispatch to speedup processing >>>>> git bisect good f7cabc2dac8adf5986dbc700584bc3b8fe493d4d >>>>> # bad: [4978c8477e96fb9e9d870d8f42328dcabf1a65e9] MIPS: Loongson-= 3: Set >>>>> cache flush handlers to cache_noop >>>>> git bisect bad 4978c8477e96fb9e9d870d8f42328dcabf1a65e9 >>>>> # bad: [04a35922c1dac1b4864b8b366a37474e9e51d8c0] MIPS: Loongson:= Add >>>>> Loongson-3A R2 basic support >>>>> git bisect bad 04a35922c1dac1b4864b8b366a37474e9e51d8c0 >>>>> # first bad commit: [04a35922c1dac1b4864b8b366a37474e9e51d8c0] MI= PS: >>>>> Loongson: Add Loongson-3A R2 basic support >>>>> >>>> >>>> >>> >> >> >