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[85.48.94.111]) by smtp.gmail.com with ESMTPSA id f124sm6010954wmf.7.2020.08.19.08.52.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Aug 2020 08:52:37 -0700 (PDT) Date: Wed, 19 Aug 2020 17:52:30 +0200 From: Paul Cercueil Subject: Re: [PATCH v2 00/13] Convert Ingenic to a generic board v2 To: Zhou Yanjie Cc: Thomas Bogendoerfer , Paul Burton , Krzysztof Kozlowski , od@zcrc.me, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org Message-Id: In-Reply-To: References: <20200812001510.460382-1-paul@crapouillou.net> <92dee3a6-9b1d-8fef-19b3-461bf8432f30@wanyeetech.com> X-Mailer: geary/3.36.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Le mer. 19 ao=C3=BBt 2020 =C3=A0 17:35, Paul Cercueil a=20 =C3=A9crit : > Hi Zhou, >=20 > Le mer. 19 ao=C3=BBt 2020 =C3=A0 22:12, Zhou Yanjie=20 > a =C3=A9crit : >> Hi Paul, >>=20 >> I have some good news and some bad news. >>=20 >> Good news is: >>=20 >> I tested this series of patches on CU1000-Neo & CU1830-Neo, and it=20 >> =7Fcan boot normally and log in to debian normally. >>=20 >> Bad news is: >>=20 >> 1. Because we dropped arch/mips/jz4740/setup.c, so it did not return=20 >> =7FMACH_INGENIC_XXXX correctly, which caused the correction of the L2=20 >> =7Fcache probe in arch/mips/mm/sc-mips.c to fail, causing JZ4770/X1000=20 >> =7Fto detect the L2 cache capacity incorrect. >=20 > It's properly detected here on JZ4770. The detection code was just=20 > moved to arch/mips/generic/board-ingenic.c. >=20 >> 2. When I did some heavy work (compiled docker source code after=20 >> =7Flogging in with ssh), the following message appeared: >=20 > Chances are that these messages are related. Stuff like that tends to=20 > appear in -rc1 and get fixed afterwards. I meant are *NOT* related :) -Paul >=20 > Cheers, > -Paul >=20 >> message1: >>=20 >> [ 4694.290776] warn_alloc: 25 callbacks suppressed >> [ 4694.290791] containerd-shim: page allocation failure: order:4,=20 >> =7Fmode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=3D(null) >> [ 4694.315266] CPU: 0 PID: 19817 Comm: containerd-shim Not tainted=20 >> =7F5.8.0-00013-g192f2fd7b678 #15 >> [ 4694.317993] Stack : 80ae0000 80a50000 80860000 809b8fb0 809e4a30=20 >> =7F850dfcb4 00000000 ffffffff >> [ 4694.320818] 80a50000 80a576c7 809c4374 00004d69 80ad348c=20 >> =7F00000001 850dfc58 7750292a >> [ 4694.322695] 00000000 00000000 809c4374 ffff00fe 850dffe0=20 >> =7F00001400 00000199 00000000 >> [ 4694.325083] ffffffff 866f7600 80a50000 878bd778 80a50000=20 >> =7F80000000 809c2b50 00000000 >> [ 4694.326957] 00040cc0 00000000 000001d2 00000000 80a53220=20 >> =7F7750292a 0000a098 80ad0000 >> [ 4694.327750] ... >> [ 4694.340943] Call Trace: >> [ 4694.341181] [<8001ae08>] show_stack+0x6c/0x12c >> [ 4694.355233] [<800f64b0>] warn_alloc+0xa8/0x130 >> [ 4694.361283] [<800f6dfc>] __alloc_pages_nodemask+0x8a4/0x8d8 >> [ 4694.362839] [<80103110>] ____cache_alloc+0x324/0x8fc >> [ 4694.367439] [<801038e4>] __kmalloc+0x78/0xd8 >> [ 4694.376798] [<80195b28>] proc_sys_call_handler+0xf4/0x1d8 >> [ 4694.377229] [<80195c44>] proc_sys_read+0x14/0x20 >> [ 4694.384090] [<80116274>] vfs_read+0xac/0x108 >> [ 4694.385654] [<801165d4>] ksys_read+0x80/0xe0 >> [ 4694.395277] [<8001ec8c>] syscall_common+0x34/0x58 >> [ 4694.394544] Mem-Info: >> [ 4694.396828] active_anon:661 inactive_anon:942 isolated_anon:0 >> [ 4694.396828] active_file:10515 inactive_file:9667 isolated_file:0 >> [ 4694.396828] unevictable:0 dirty:2003 writeback:0 >> [ 4694.396828] slab_reclaimable:1609 slab_unreclaimable:3103 >> [ 4694.396828] mapped:2182 shmem:156 pagetables:207 bounce:0 >> [ 4694.396828] free:1635 free_pcp:7 free_cma:0 >> [ 4694.405770] Node 0 active_anon:2644kB inactive_anon:3768kB=20 >> =7Factive_file:42060kB inactive_file:38668kB unevictable:0kB=20 >> =7Fisolated(anon):0kB isolated(file):0kB mapped:8728kB dirty:8048kB=20 >> =7Fwriteback:0kB shmem:624kB writeback_tmp:0kB all_unreclaimable? no >> [ 4694.408349] Normal free:6484kB min:1376kB low:1720kB high:2064kB=20 >> =7Freserved_highatomic:0KB active_anon:2644kB inactive_anon:3768kB=20 >> =7Factive_file:42064kB inactive_file:38724kB unevictable:0kB=20 >> =7Fwritepending:8060kB present:131072kB managed:118804kB mlocked:0kB=20 >> =7Fkernel_stack:584kB pagetables:828kB bounce:0kB free_pcp:32kB=20 >> =7Flocal_pcp:32kB free_cma:0kB >> [ 4694.409607] lowmem_reserve[]: 0 0 0 >> [ 4694.410382] Normal: 117*4kB (UM) 406*8kB (UM) 149*16kB (UME)=20 >> =7F12*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB=20 >> =7F0*4096kB =3D 6484kB >> [ 4694.418673] 20618 total pagecache pages >> [ 4694.423125] 226 pages in swap cache >> [ 4694.423912] Swap cache stats: add 535090, delete 534864, find=20 >> =7F234586/366812 >> [ 4694.431304] Free swap =3D 774396kB >> [ 4694.431900] Total swap =3D 786428kB >> [ 4694.432480] 32768 pages RAM >> [ 4694.432537] 0 pages HighMem/MovableOnly >> [ 4694.441338] 3067 pages reserved >> [ 4694.441770] 0 pages cma reserved >>=20 >> --------------------------------------------------------- >>=20 >> message2: >>=20 >> [ 4426.473667] warn_alloc: 27 callbacks suppressed >> [ 4426.473681] kswapd0: page allocation failure: order:0,=20 >> =7Fmode:0xa20(GFP_ATOMIC), nodemask=3D(null) >> [ 4426.475946] CPU: 0 PID: 439 Comm: kswapd0 Not tainted=20 >> =7F5.8.0-00013-g192f2fd7b678 #15 >> [ 4426.478136] Stack : 80ae0000 80a50000 80860000 809b8fb0 809e4a30=20 >> =7F87c0dccc 00000000 ffffffff >> [ 4426.478301] 80a50000 80a576c7 809c4374 000001b7 80ad348c=20 >> =7F00000001 87c0dc70 b7c290ba >> [ 4426.478464] 00000000 00000000 809c4374 00000000 0000000f=20 >> =7F00000000 0000019f 00000000 >> [ 4426.478626] bff4ffd7 1c5e5f3c 80ae0000 31672d33 80a50000=20 >> =7F00000000 809c2b50 00000000 >> [ 4426.478787] 00000a20 00000000 00000000 00000000 00000002=20 >> =7F804d392c 00000000 80ad0000 >> [ 4426.478940] ... >> [ 4426.481390] Call Trace: >> [ 4426.483842] [<8001ae08>] show_stack+0x6c/0x12c >> [ 4426.485555] [<800f64b0>] warn_alloc+0xa8/0x130 >> [ 4426.487275] [<800f6dfc>] __alloc_pages_nodemask+0x8a4/0x8d8 >> [ 4426.487382] [<800f6f80>] page_frag_alloc+0x74/0x144 >> [ 4426.489534] [<805fc1a4>] __napi_alloc_skb+0x88/0x118 >> [ 4426.491769] [<8052ed8c>] stmmac_napi_poll_rx+0x434/0xa94 >> [ 4426.494354] [<80613eb0>] net_rx_action+0x11c/0x310 >> [ 4426.496414] [<807ecd0c>] __do_softirq+0x10c/0x258 >> [ 4426.498395] [<800320c0>] __irq_exit_rcu+0x68/0xbc >> [ 4426.500365] [<80032324>] irq_exit+0x10/0x1c >> [ 4426.501844] [<804876b4>] plat_irq_dispatch+0x8c/0xb8 >> [ 4426.504076] [<800154f8>] handle_int+0x138/0x144 >> [ 4426.505883] [<8005280c>] arch_local_irq_enable+0x4/0xc >> [ 4426.508289] Mem-Info: >> [ 4426.510576] active_anon:770 inactive_anon:1763 isolated_anon:0 >> [ 4426.510576] active_file:5581 inactive_file:15166 isolated_file:0 >> [ 4426.510576] unevictable:0 dirty:1262 writeback:880 >> [ 4426.510576] slab_reclaimable:1187 slab_unreclaimable:3016 >> [ 4426.510576] mapped:3478 shmem:315 pagetables:186 bounce:0 >> [ 4426.510576] free:453 free_pcp:16 free_cma:0 >> [ 4426.512469] Node 0 active_anon:3080kB inactive_anon:7052kB=20 >> =7Factive_file:22324kB inactive_file:60664kB unevictable:0kB=20 >> =7Fisolated(anon):0kB isolated(file):0kB mapped:13912kB dirty:5048kB=20 >> =7Fwriteback:3520kB shmem:1260kB writeback_tmp:0kB all_unreclaimable?=20 >> no >> [ 4426.512938] Normal free:1812kB min:5472kB low:5816kB high:6160kB=20 >> =7Freserved_highatomic:0KB active_anon:3080kB inactive_anon:7052kB=20 >> =7Factive_file:22324kB inactive_file:60664kB unevictable:0kB=20 >> =7Fwritepending:8568kB present:131072kB managed:118804kB mlocked:0kB=20 >> =7Fkernel_stack:544kB pagetables:744kB bounce:0kB free_pcp:64kB=20 >> =7Flocal_pcp:64kB free_cma:0kB >> [ 4426.515643] lowmem_reserve[]: 0 0 0 >> [ 4426.516400] Normal: 11*4kB (U) 59*8kB (UE) 75*16kB (U) 3*32kB (U)=20 >> =7F0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB =3D 1812kB >> [ 4426.517399] 21378 total pagecache pages >> [ 4426.518507] 306 pages in swap cache >> [ 4426.519259] Swap cache stats: add 533859, delete 533553, find=20 >> =7F134676/266712 >> [ 4426.520752] Free swap =3D 777212kB >> [ 4426.521331] Total swap =3D 786428kB >> [ 4426.521911] 32768 pages RAM >> [ 4426.521973] 0 pages HighMem/MovableOnly >> [ 4426.523072] 3067 pages reserved >> [ 4426.523474] 0 pages cma reserved >>=20 >> --------------------------------------------------------- >>=20 >> message3: >>=20 >> [ 292.077309] CPU 0 Unable to handle kernel paging request at=20 >> =7Fvirtual address 00000104, epc =3D=3D 801e7f30, ra =3D=3D 801e7f24 >> [ 292.087904] Oops[#1]: >> [ 292.090169] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted=20 >> =7F5.9.0-rc1-00016-g8d1e63c37d0d-dirty #1 >> [ 292.098768] Workqueue: events cache_reap >> [ 292.102675] $ 0 : 00000000 00000001 808f3bf4 00000122 >> [ 292.107887] $ 4 : 808f3bf8 00000100 0000003c 87c02080 >> [ 292.113099] $ 8 : 87c01000 8581e301 00000001 00000000 >> [ 292.118311] $12 : 87c3dc7c 0000000a 810021c4 00000100 >> [ 292.123523] $16 : 85855600 8100218c 86284600 80790000 >> [ 292.128735] $20 : 0000003c 00000000 8100219c fffffffe >> [ 292.133946] $24 : 00000122 87c02090 >> [ 292.139158] $28 : 87c3c000 87c3dc48 807b0000 801e7f24 >> [ 292.144371] Hi : 00000000 >> [ 292.147237] Lo : 000c6bf4 >> [ 292.150109] epc : 801e7f30 free_block+0x68/0x198 >> [ 292.154887] ra : 801e7f24 free_block+0x5c/0x198 >> [ 292.159660] Status: 10001402 KERNEL EXL >> [ 292.163569] Cause : 4080800c (ExcCode 03) >> [ 292.167563] BadVA : 00000104 >> [ 292.170430] PrId : 00d00100 (Ingenic XBurst) >> [ 292.174776] Process kworker/0:0 (pid: 5, threadinfo=3D50ecb211,=20 >> =7Ftask=3Da81ea849, tls=3D00000000) >> [ 292.183016] Stack : 87c2e020 87c50cd0 8079e358 00000000 87c01000=20 >> =7F801e8b14 87c50cd0 87c2e050 >> [ 292.191353] 87c50cd0 8014930c 87c3dc7c 87c50ca0 807a0000=20 >> =7F87c3dc7c 87c3dc7c 018070a3 >> [ 292.199689] 80790000 86284600 801e8618 00000000 00000100=20 >> =7F00000122 00000000 8100219c >> [ 292.208025] fffffffe 801e8544 00000003 00000000 00000000=20 >> =7F87c3dce0 808f3bf4 00000000 >> [ 292.216361] 87c01000 801e8618 87c06300 00000000 00000000=20 >> =7F87c3dce0 87c01000 85855a80 >> [ 292.224697] ... >> [ 292.227132] Call Trace: >> [ 292.229569] [<801e7f30>] free_block+0x68/0x198 >> [ 292.234003] [<801e8b14>] ___cache_free+0x1f8/0x2e8 >> [ 292.238781] [<801e8544>] kfree+0x48/0x6c >> [ 292.242693] [<801e8618>] kmem_freepages+0xb0/0x124 >> [ 292.247471] [<801e86e0>] slab_destroy+0x48/0x7c >> [ 292.251989] [<801e8778>] slabs_destroy+0x64/0x94 >> [ 292.256593] [<801e8b4c>] ___cache_free+0x230/0x2e8 >> [ 292.261372] [<801e8544>] kfree+0x48/0x6c >> [ 292.265283] [<801e8618>] kmem_freepages+0xb0/0x124 >> [ 292.270062] [<801e86e0>] slab_destroy+0x48/0x7c >> [ 292.274580] [<801e8778>] slabs_destroy+0x64/0x94 >> [ 292.279185] [<801e8d90>]=20 >> drain_array.isra.59.constprop.61+0xb4/0xdc >> [ 292.285437] [<801e8f84>] cache_reap+0x64/0x120 >> [ 292.289869] [<80137204>] process_one_work+0x1b8/0x25c >> [ 292.294907] [<80137588>] worker_thread+0x294/0x3c4 >> [ 292.299684] [<8013cfe0>] kthread+0x148/0x150 >> [ 292.303941] [<8010506c>] ret_from_kernel_thread+0x14/0x1c >> [ 292.309324] Code: 8c430008 8c450004 24440004 =20 >> ac650000 =7F 8c430014 ac4f0004 ac580008 8d0a0014 >> [ 292.319053] >> [ 292.320591] ---[ end trace 2a1f2afba7a08ca1 ]--- >> [ 292.325197] Kernel panic - not syncing: Fatal exception >> [ 292.330409] Rebooting in 10 seconds.. >>=20 >> these three kinds of message appear at random. Sometimes they will=20 >> =7Fappear at the beginning of the compilation, and sometimes they will=20 >> =7Fappear after tens of minutes of compilation. >>=20 >> Thanks and best regards! >>=20 >> =E5=9C=A8 2020/8/12 =E4=B8=8A=E5=8D=888:14, Paul Cercueil =E5=86=99=E9= =81=93: >>> Hi, >>>=20 >>> Changes since V1: >>>=20 >>> - the get_system_type() now will simply return the "system_type" >>> variable if non-NULL, and the various boards can set this pointer >>> should they want to set a custom value. The .get_system_type >>> callback that v1 added to the struct mips_machine is gone. >>>=20 >>> - the board-ingenic.c has been modified accordingly. >>>=20 >>> - patch [06/13] is new, it makes sure that the kernel's command=20 >>> line =7F=7Fis >>> initialized properly and includes the parameters passed by the >>> bootloader. >>>=20 >>> - the cu1830-neo board defconfig has now been regenerated in patch >>> [12/13]. >>>=20 >>> Cheers, >>> -Paul >>>=20 >>> Paul Cercueil (13): >>> MIPS: cpu-probe: Set Ingenic's writecombine to _CACHE_CACHABLE_WA >>> MIPS: cpu-probe: Mark XBurst CPU as having vtagged caches >>> MIPS: cpu-probe: ingenic: Fix broken BUG_ON >>> MIPS: Kconfig: add MIPS_GENERIC_KERNEL symbol >>> MIPS: generic: Allow boards to set system type >>> MIPS: generic: Init command line with fw_init_cmdline() >>> MIPS: generic: Support booting with built-in or appended DTB >>> MIPS: generic: Add support for zboot >>> MIPS: generic: Increase NR_IRQS to 256 >>> MIPS: generic: Add support for Ingenic SoCs >>> MIPS: jz4740: Drop folder >>> MIPS: configs: Regenerate configs of Ingenic boards >>> MAINTAINERS: Update paths to Ingenic platform code >>>=20 >>> MAINTAINERS | 4 +- >>> arch/mips/Kbuild.platforms | 1 - >>> arch/mips/Kconfig | 43 ++++-- >>> arch/mips/configs/ci20_defconfig | 4 +- >>> arch/mips/configs/cu1000-neo_defconfig | 16 +- >>> arch/mips/configs/cu1830-neo_defconfig | 15 +- >>> arch/mips/configs/gcw0_defconfig | 2 +- >>> arch/mips/configs/qi_lb60_defconfig | 5 +- >>> arch/mips/configs/rs90_defconfig | 4 +- >>> arch/mips/generic/Kconfig | 8 +- >>> arch/mips/generic/Makefile | 1 + >>> arch/mips/generic/Platform | 1 + >>> arch/mips/generic/board-ingenic.c | 108 +++++++++++++ >>> arch/mips/generic/init.c | 11 +- >>> arch/mips/generic/proc.c | 5 + >>> arch/mips/include/asm/mach-generic/irq.h | 2 +- >>> .../asm/mach-jz4740/cpu-feature-overrides.h | 50 ------ >>> arch/mips/include/asm/mach-jz4740/irq.h | 13 -- >>> arch/mips/include/asm/pgtable-bits.h | 5 - >>> arch/mips/{jz4740 =3D> ingenic}/Kconfig | 16 +- >>> arch/mips/jz4740/Makefile | 9 -- >>> arch/mips/jz4740/Platform | 3 - >>> arch/mips/jz4740/setup.c | 145=20 >>> =7F=7F------------------ >>> arch/mips/kernel/cpu-probe.c | 8 +- >>> 24 files changed, 186 insertions(+), 293 deletions(-) >>> create mode 100644 arch/mips/generic/board-ingenic.c >>> delete mode 100644=20 >>> =7F=7Farch/mips/include/asm/mach-jz4740/cpu-feature-overrides.h >>> delete mode 100644 arch/mips/include/asm/mach-jz4740/irq.h >>> rename arch/mips/{jz4740 =3D> ingenic}/Kconfig (91%) >>> delete mode 100644 arch/mips/jz4740/Makefile >>> delete mode 100644 arch/mips/jz4740/Platform >>> delete mode 100644 arch/mips/jz4740/setup.c >>>=20 >=20