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charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: xenomai@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AS5PR10MB8173.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: b0009101-aaab-448c-b358-08dc593260b5 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Apr 2024 07:46:48.4962 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: gzjZFaZEfp8gc8I3PrJv84J6tJupp39mlx+0UhIo/Ny93KdczxNgFqNbNhwIdFaQuYz1+MdJbBhYZJdBFCrBohnslP67geYIScPgpAmvFo8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB4PR10MB6312 Hi,=0A= =0A= just so you know, we're looking at this issue.=0A= Which cmdline did you use? Was xenomai.supported_cpus set?=0A= In the meantime, if you have more information or if you have been able to c= reate a simplified application where the bug still occurs, please let us kn= ow.=0A= =0A= Best=0A= Clara=0A= =0A= > -----Original Message-----=0A= > From: JerryJun =0A= > Sent: Montag, 26. Februar 2024 15:34=0A= > To: Kiszka, Jan (T CED) =0A= > Cc: xenomai =0A= > Subject: Re:Re: NX-protected page=0A= > =0A= > hi, Jan, if you have reproducted it after trying to run the case for h= ours in=0A= > qemu=1B$B!)=1B(B or is there any doubt=1B$B!)=1B(B=0A= > =0A= > 2024-02-02 16:37:59, "Jan Kiszka" wrote:=0A= > >On 02.02.24 08:49, JerryJun wrote:=0A= > >>=0A= > >> how long did you run it=1B$B!)=1B(Bit will take a while for this crash= but not more than=0A= > 12 hours at mostly.=0A= > >> ok=1B$B!$=1B(Bi will try to run it without get /proc=1B$B!D!D=1B(B tha= nk you very much.=0A= > >>=0A= > >=0A= > >Not for hours, but one setup was running for about 30 min. at least.=0A= > >=0A= > >Jan=0A= > >=0A= > >>=0A= > >> At 2024-02-02 14:49:53, "Jan Kiszka" wrote:= =0A= > >>> On 01.02.24 08:09, Jan Kiszka wrote:=0A= > >>>> On 31.01.24 08:25, JerryJun wrote:=0A= > >>>>> yet=1B$B!$=1B(B you just do make in the project to product the bina= ry of oop-test,=0A= > run kill_test.sh , and finally wait kernel oop .=0A= > >>>>> we get the same results of kernel oop in the qemu-amd64, which use= =0A= > the config from xenomai-images=0A= > ,"https://eur01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fsou= =0A= > rce.denx.de%2FXenomai%2Fxenomai-images%2F-=0A= > %2Fblob%2Fmaster%2Frecipes-=0A= > kernel%2Flinux%2Ffiles%2Famd64_defconfig%3Fref_type%3Dheads&data=3D0=0A= > 5%7C02%7Cclara.kowalsky%40siemens.com%7C494bca636f6c48566cc208d=0A= > c36d843eb%7C38ae3bcd95794fd4addab42e1495d55a%7C1%7C0%7C6384=0A= > 45549672638180%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMD=0A= > AiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&s=0A= > data=3DxOckYYYOkjKZ3yKchy4B7kkX2eth%2Bqe88Mrd7XjldFw%3D&reserved=3D=0A= > 0", as follow.=0A= > >>>>> [ 6191.671953] BUG: kernel NULL pointer dereference, address:=0A= > >>>>> 0000000000000000 [ 6191.671955] #PF: supervisor instruction fetch= =0A= > >>>>> in kernel mode [ 6191.671956] #PF: error_code(0x0010) -=0A= > >>>>> not-present page [ 6191.671956] PGD 0 P4D 0 [ 6191.671958] Oops:=0A= > >>>>> 0010 [#1] PREEMPT SMP PTI IRQ_PIPELINE [ 6191.671959] CPU: 3 PID:= =0A= > >>>>> 7047 Comm: oop-test Kdump: loaded Not tainted=0A= > >>>>> 5.10.199-devo-3.2.4-20240130 #1 [ 6191.671960] Hardware name:=0A= > QEMU=0A= > >>>>> Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014 [=0A= > >>>>> 6191.671961] IRQ stage: Linux [ 6191.671961] RIP: 0010:0x0 [=0A= > >>>>> 6191.671962] Code: Unable to access opcode bytes at RIP=0A= > 0xffffffffffffffd6.=0A= > >>>>> [ 6191.671962] RSP: 0018:ffffc90000118f80 EFLAGS: 00010246 [=0A= > >>>>> 6191.671963] RAX: 0000000000000000 RBX: ffff888108d3d730 RCX:=0A= > >>>>> 0000000000000000 [ 6191.671964] RDX: ffff888108d3d738 RSI:=0A= > >>>>> ffffffff82516284 RDI: ffff888108d3d730 [ 6191.671965] RBP:=0A= > >>>>> 0000000000000000 R08: 0000000000000000 R09:=0A= > 0000000000000001 [=0A= > >>>>> 6191.671965] R10: 0000000000000000 R11: 0000000000000001=0A= > R12:=0A= > >>>>> 0000000000000000 [ 6191.671966] R13: 0000000000000018 R14:=0A= > >>>>> ffffffff811d37e0 R15: 0000000000000000 [ 6191.671967] FS:=0A= > >>>>> 00007fc6e83ea780(0000) GS:ffff88813bd80000(0000)=0A= > >>>>> knlGS:0000000000000000 [ 6191.671967] CS: 0010 DS: 0000 ES:=0A= > 0000 CR0: 0000000080050033 [ 6191.671968] CR2: ffffffffffffffd6 CR3:=0A= > 0000000106750005 CR4: 0000000000170ee0 [ 6191.671968] Call Trace:=0A= > >>>>> [ 6191.671968] =0A= > >>>>> [ 6191.671969] ? show_trace_log_lvl+0x1c2/0x2c9 [ 6191.671969] ?= =0A= > >>>>> irq_work_single+0x42/0x80 [ 6191.671969] ?=0A= > >>>>> __die_body.cold+0x8/0xd [ 6191.671970] ? no_context+0x13a/0x270=0A= > [=0A= > >>>>> 6191.671970] ? exc_page_fault+0x6f/0x200 [ 6191.671970] ?=0A= > >>>>> asm_exc_page_fault+0x1e/0x30 [ 6191.671970] ?=0A= > >>>>> handle_oob_irq+0x90/0x90 [=0A= > 6191.671971] irq_work_single+0x42/0x80=0A= > >>>>> [ 6191.671971] irq_work_run_list+0x2d/0x40 [ 6191.671971]=0A= > >>>>> irq_work_run+0x26/0x40 [ 6191.671972]=0A= > >>>>> inband_work_interrupt+0xa/0x20 [ 6191.671972]=0A= > >>>>> handle_synthetic_irq+0xb1/0x210 [ 6191.671972]=0A= > >>>>> asm_call_irq_on_stack+0x12/0x20 [ 6191.671973] [=0A= > >>>>> 6191.671973] arch_do_IRQ_pipelined+0x15d/0x2a0 [ 6191.671973]=0A= > >>>>> sync_current_irq_stage+0x157/0x1f0=0A= > >>>>> [ 6191.671974] __inband_irq_enable+0x4b/0x70 [ 6191.671974]=0A= > >>>>> _raw_spin_unlock_irqrestore+0x35/0x70=0A= > >>>>> [ 6191.671974] __set_cpus_allowed_ptr+0xbf/0x230 [=0A= > 6191.671975]=0A= > >>>>> sched_setaffinity+0x383/0x6b0 [ 6191.671975]=0A= > >>>>> __x64_sys_sched_setaffinity+0x45/0x80=0A= > >>>>> [ 6191.671975] do_syscall_64+0x39/0x50 [ 6191.671978]=0A= > >>>>> entry_SYSCALL_64_after_hwframe+0x62/0xc7=0A= > >>>>> [ 6191.671979] RIP: 0033:0x7fc6e84d6617 [ 6191.671979] Code: 1f=0A= > 40=0A= > >>>>> 00 48 8b 15 79 c8 0e 00 f7 d8 41 b9 ff ff ff ff 64 89 02 44 89 c8= =0A= > >>>>> c3 66 2e 0f 1f 84 00 00 00 00 00 b8 cb 00 00 00 0f 05 <48> 3d 00=0A= > >>>>> f0 ff ff 77 29 41 89 c0 83 f8 ff 74 18 64 c7 04 25 38 00 [=0A= > >>>>> 6191.671980] RSP: 002b:00007ffd574dfde8 EFLAGS: 00000206=0A= > ORIG_RAX:=0A= > >>>>> 00000000000000cb [ 6191.671981] RAX: ffffffffffffffda RBX:=0A= > >>>>> 00007fc6e7b985c8 RCX: 00007fc6e84d6617 [ 6191.671982] RDX:=0A= > >>>>> 00007fc6e7b985f0 RSI: 0000000000000080 RDI:=0A= > 0000000000001b8d [=0A= > >>>>> 6191.671982] RBP: 00007ffd574dfe70 R08: 00007fc6e83ea780 R09:=0A= > 00000000ffffffff [ 6191.671983] R10: fffffffffffffdca R11:=0A= > 0000000000000206 R12: 000055a818eb61c0 [ 6191.671983] R13:=0A= > 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [=0A= > 6191.671984] Modules linked in:=0A= > >>>>> [ 6191.671985] CR2: 0000000000000000=0A= > >>>>>=0A= > >>>>=0A= > >>>> Okay... that is "good" news - looking for some time slot to=0A= > >>>> reproduce and debug myself now.=0A= > >>>>=0A= > >>>=0A= > >>> I've tried to reproduce, using the .config.yaml below for=0A= > >>> xenomai-images, but it does not trigger here. Do I need to run this= =0A= > >>> for hours? What exactly did you do to trigger it in the qemu image=0A= > >>> of xenomai-images?=0A= > >>>=0A= > >>> BTW, I assume the access of /proc/xenomai/sched/stat plays an=0A= > >>> important role in causing the crash, right? You don't get it without = them?=0A= > >>>=0A= > >>> Jan=0A= > >>>=0A= > >>> #=0A= > >>> # Automatically generated by kas 4.2 #=0A= > >>> _source_dir: /repo=0A= > >>> build_system: isar=0A= > >>> header:=0A= > >>> includes:=0A= > >>> - kas.yml=0A= > >>> - board-qemu-amd64.yml=0A= > >>> - opt-linux-latest-5.10.yml=0A= > >>> version: 16=0A= > >>> menu_configuration:=0A= > >>> DEBUG: false=0A= > >>> KERNEL_4_19: false=0A= > >>> KERNEL_4_19_LATEST: false=0A= > >>> KERNEL_5_10: false=0A= > >>> KERNEL_5_10_LATEST: true=0A= > >>> KERNEL_5_15: false=0A= > >>> KERNEL_5_15_LATEST: false=0A= > >>> KERNEL_5_4: false=0A= > >>> KERNEL_5_4_LATEST: false=0A= > >>> KERNEL_6_1: false=0A= > >>> KERNEL_6_1_LATEST: false=0A= > >>> TARGET_BBB: false=0A= > >>> TARGET_HIKEY: false=0A= > >>> TARGET_QEMU_AMD64: true=0A= > >>> TARGET_QEMU_ARM: false=0A= > >>> TARGET_QEMU_ARM64: false=0A= > >>> TARGET_X86_64_EFI: false=0A= > >>> XENOMAI3: true=0A= > >>> XENOMAI4: false=0A= > >>> XENOMAI_3_0_LATEST: false=0A= > >>> XENOMAI_3_1_LATEST: false=0A= > >>> XENOMAI_3_2: true=0A= > >>> XENOMAI_3_2_LATEST: false=0A= > >>> XENOMAI_LATEST: false=0A= > >>>=0A= > >>> --=0A= > >>> Siemens AG, Technology=0A= > >>> Linux Expert Center=0A= > >=0A= > >--=0A= > >Siemens AG, Technology=0A= > >Linux Expert Center=0A=