This is a kernel bug, I'll send a patch. 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 >> > > -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html