I'll send a patch, but it seems be ignored by maintainer. https://patchwork.linux-mips.org/patch/13136/ Huacai On Fri, May 13, 2016 at 11:46 AM, Guenter Roeck <linux@xxxxxxxxxxxx> 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 in > next-20160512. > > Guenter > > >> Huacai >> >> On Wed, Apr 20, 2016 at 12:43 PM, Guenter Roeck <linux@xxxxxxxxxxxx> >> wrote: >>> >>> On 04/19/2016 08:37 PM, 陈华才 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"<linux@xxxxxxxxxxxx>; >>>> Date: Wed, Apr 20, 2016 10:54 AM >>>> To: "Huacai Chen"<chenhc@xxxxxxxxxx>; >>>> Cc: "Ralf Baechle"<ralf@xxxxxxxxxxxxxx>; >>>> "linux-mips"<linux-mips@xxxxxxxxxxxxxx>; >>>> "linux-next"<linux-next@xxxxxxxxxxxxxxx>; >>>> "linux-kernel"<linux-kernel@xxxxxxxxxxxxxxx>; >>>> Subject: next: fuloong2e qemu boot failure due to 'MIPS: Loongson: >>>> AddLoongson-3A R2 basic support' >>>> >>>> Hi, >>>> >>>> qemu fails to boot in -next for machine fulong2e with configuration >>>> fuloong2e_defconfig. Bisect points to commit 'MIPS: Loongson: Add >>>> Loongson-3A R2 basic support'. qemu hangs in boot, after displaying >>>> "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-tracking >>>> branch 'ipvs-next/master' >>>> git bisect bad 493ac92ff65ec4c4cd4c43870e778760a012951d >>>> # bad: [20ca3ae9c517eee9b2f1bd0fb2a06e2d14153792] Merge remote-tracking >>>> branch 'btrfs-kdave/for-next' >>>> git bisect bad 20ca3ae9c517eee9b2f1bd0fb2a06e2d14153792 >>>> # good: [c454e65fb9ade11d0f84718d06a6888e2c92804d] Merge remote-tracking >>>> branch 'omap/for-next' >>>> git bisect good c454e65fb9ade11d0f84718d06a6888e2c92804d >>>> # good: [6f5c70fb9b4fc0534157bfa40cea9b402e6f2506] Merge remote-tracking >>>> branch 'microblaze/next' >>>> git bisect good 6f5c70fb9b4fc0534157bfa40cea9b402e6f2506 >>>> # bad: [7f053cd68fd14243c8f202b4086d7dd75c409e6f] MIPS: Loongson-3: >>>> Introduce CONFIG_LOONGSON3_ENHANCEMENT >>>> git bisect bad 7f053cd68fd14243c8f202b4086d7dd75c409e6f >>>> # good: [e9aacdd7f0b66c4ace17e5950c48e7cc61a253c8] MIPS: Allow RIXI to >>>> be >>>> used on non-R2 or R6 cores >>>> git bisect good e9aacdd7f0b66c4ace17e5950c48e7cc61a253c8 >>>> # good: [d1e8b9a8dc6c7fa9add5dfa7083e035ce037e56d] MAINTAINERS: add >>>> Loongson1 architecture entry >>>> git bisect good d1e8b9a8dc6c7fa9add5dfa7083e035ce037e56d >>>> # good: [13ff6275bb389c3669082d3ef8483592a31eb0ea] MIPS: Fix siginfo.h >>>> to >>>> use strict posix types >>>> git bisect good 13ff6275bb389c3669082d3ef8483592a31eb0ea >>>> # good: [66e74bdd51e617023fa2e79a807b704fb3eed8aa] MIPS: Enable ptrace >>>> 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] MIPS: >>>> Loongson: Add Loongson-3A R2 basic support >>>> >>> >>> >> > >
