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. 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��.n��������+%������w��{.n�����{��w����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f