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Date: Sun, 27 Mar 2022 18:30:27 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: lkp@...ts.01.org, lkp@...el.com,
LKML <linux-kernel@...r.kernel.org>
Subject: [x86/fpu/xstate] 3c238fa8a9:
WARNING:at_arch/x86/kernel/fpu/xstate.c:#fpu__init_system_xstate
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 3c238fa8a9b19d96892d6de4be1a4a6353515b50 ("x86/fpu/xstate: Consolidate size calculations")
https://git.kernel.org/cgit/linux/kernel/git/tglx/devel.git x86/fpu
in testcase: xsave-test
version: xsave-test-x86_64-3cc5e47-1_20210719
with following parameters:
ucode: 0x9c02000e
on test machine: 24 threads 1 sockets Intel Atom(R) P5362 processor with 64G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 0.000000][ T0] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/fpu/xstate.c:601 fpu__init_system_xstate (arch/x86/kernel/fpu/xstate.c:601 arch/x86/kernel/fpu/xstate.c:711 arch/x86/kernel/fpu/xstate.c:843)
[ 0.000000][ T0] Modules linked in:
[ 0.000000][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 5.17.0-02181-g3c238fa8a9b1 #1
[ 0.000000][ T0] RIP: 0010:fpu__init_system_xstate (arch/x86/kernel/fpu/xstate.c:601 arch/x86/kernel/fpu/xstate.c:711 arch/x86/kernel/fpu/xstate.c:843)
[ 0.000000][ T0] Code: 1d 84 39 c3 0f 84 04 02 00 00 80 3d f3 f0 86 ff 00 0f 85 bf fe ff ff 48 c7 c7 80 a5 a1 83 c6 05 df f0 86 ff 01 e8 49 c1 bb fd <0f> 0b e9 a5 fe ff ff 48 c7 c7 c0 73 1d 84 31 d2 48 0f ae 2f 31 c0
All code
========
0: 1d 84 39 c3 0f sbb $0xfc33984,%eax
5: 84 04 02 test %al,(%rdx,%rax,1)
8: 00 00 add %al,(%rax)
a: 80 3d f3 f0 86 ff 00 cmpb $0x0,-0x790f0d(%rip) # 0xffffffffff86f104
11: 0f 85 bf fe ff ff jne 0xfffffffffffffed6
17: 48 c7 c7 80 a5 a1 83 mov $0xffffffff83a1a580,%rdi
1e: c6 05 df f0 86 ff 01 movb $0x1,-0x790f21(%rip) # 0xffffffffff86f104
25: e8 49 c1 bb fd callq 0xfffffffffdbbc173
2a:* 0f 0b ud2 <-- trapping instruction
2c: e9 a5 fe ff ff jmpq 0xfffffffffffffed6
31: 48 c7 c7 c0 73 1d 84 mov $0xffffffff841d73c0,%rdi
38: 31 d2 xor %edx,%edx
3a: 48 0f ae 2f xrstor64 (%rdi)
3e: 31 c0 xor %eax,%eax
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: e9 a5 fe ff ff jmpq 0xfffffffffffffeac
7: 48 c7 c7 c0 73 1d 84 mov $0xffffffff841d73c0,%rdi
e: 31 d2 xor %edx,%edx
10: 48 0f ae 2f xrstor64 (%rdi)
14: 31 c0 xor %eax,%eax
[ 0.000000][ T0] RSP: 0000:ffffffff84407d08 EFLAGS: 00010086 ORIG_RAX: 0000000000000000
[ 0.000000][ T0] RAX: 0000000000000000 RBX: 0000000000000240 RCX: 0000000000000000
[ 0.000000][ T0] RDX: c0000000ffff7fff RSI: ffffffff84407a28 RDI: fffffbfff0880f93
[ 0.000000][ T0] RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff0880f2f
[ 0.000000][ T0] R10: ffffffff84407977 R11: fffffbfff0880f2e R12: 0000000000000001
[ 0.000000][ T0] R13: 0000000000000200 R14: 00000000000001a0 R15: 0000000000000240
[ 0.000000][ T0] FS: 0000000000000000(0000) GS:ffffffff85891000(0000) knlGS:0000000000000000
[ 0.000000][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.000000][ T0] CR2: ffff88906b9ff000 CR3: 000000107f5b4000 CR4: 00000000000406a0
[ 0.000000][ T0] Call Trace:
[ 0.000000][ T0] <TASK>
[ 0.000000][ T0] ? fpu__init_system (arch/x86/kernel/fpu/init.c:166 arch/x86/kernel/fpu/init.c:238)
[ 0.000000][ T0] ? arch_post_acpi_subsys_init (arch/x86/kernel/fpu/init.c:225)
[ 0.000000][ T0] ? early_cpu_init (arch/x86/kernel/cpu/common.c:1420 arch/x86/kernel/cpu/common.c:1478)
[ 0.000000][ T0] ? setup_arch (arch/x86/kernel/setup.c:813 (discriminator 4))
[ 0.000000][ T0] ? reserve_standard_io_resources (arch/x86/kernel/setup.c:777)
[ 0.000000][ T0] ? _printk (kernel/printk/printk.c:2261)
[ 0.000000][ T0] ? record_print_text.cold (kernel/printk/printk.c:2261)
[ 0.000000][ T0] ? cgroup_init_early (kernel/cgroup/cgroup.c:5814 (discriminator 13))
[ 0.000000][ T0] ? rdmacg_css_free (kernel/cgroup/rdma.c:564)
[ 0.000000][ T0] ? start_kernel (init/main.c:951)
[ 0.000000][ T0] ? x86_64_start_kernel (arch/x86/kernel/head64.c:525)
[ 0.000000][ T0] ? secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:300)
[ 0.000000][ T0] </TASK>
[ 0.000000][ T0] ---[ end trace 0000000000000000 ]---
[ 0.000000][ T0] CPUID[0d, 00]: eax=00000003 ebx=00000240 ecx=00000240 edx=00000000
[ 0.000000][ T0] CPUID[0d, 01]: eax=0000000f ebx=00000240 ecx=00000100 edx=00000000
[ 0.000000][ T0] CPUID[0d, 02]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 03]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 04]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 05]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 06]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 07]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 08]: eax=00000080 ebx=00000000 ecx=00000001 edx=00000000
[ 0.000000][ T0] CPUID[0d, 09]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 0a]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 0b]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 0c]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 0d]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 0e]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 0f]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 10]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 11]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 12]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 13]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 14]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 15]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 16]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 17]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 18]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 19]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 1a]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 1b]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] CPUID[0d, 1c]: eax=00000000 ebx=00000000 ecx=00000000 edx=00000000
[ 0.000000][ T0] signal: max sigframe size: 1440
[ 0.000000][ T0] BIOS-provided physical RAM map:
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000100-0x000000000009efff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x000000000009f000-0x00000000000fffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000650d5fff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000650d6000-0x00000000650e5fff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000650e6000-0x0000000065f1bfff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000065f1c000-0x0000000067336fff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000067337000-0x00000000692bafff] ACPI NVS
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000692bb000-0x00000000693fdfff] ACPI data
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000693fe000-0x000000006f7fffff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x000000006f800000-0x000000008fffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fe010000-0x00000000fe010fff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000107fffffff] usable
[ 0.000000][ T0] printk: debug: ignoring loglevel setting.
[ 0.000000][ T0] printk: bootconsole [earlyser0] enabled
[ 0.000000][ T0] NX (Execute Disable) protection: active
[ 0.000000][ T0] DMI not present or invalid.
[ 0.000000][ T0] tsc: Detected 2200.000 MHz processor
[ 0.000023][ T0] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000264][ T0] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000472][ T0] last_pfn = 0x1080000 max_arch_pfn = 0x400000000
[ 0.000808][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.002388][ T0] total RAM covered: 65520M
[ 0.003059][ T0] Found optimal setting for mtrr clean up
[ 0.003236][ T0] gran_size: 64K chunk_size: 32M num_reg: 7 lose cover RAM: 0G
[ 0.003604][ T0] e820: update [mem 0x7f000000-0xffffffff] usable ==> reserved
[ 0.003845][ T0] x2apic: enabled by BIOS, switching to x2apic ops
[ 0.004047][ T0] last_pfn = 0x6f800 max_arch_pfn = 0x400000000
[ 0.004241][ T0] Scan for SMP in [mem 0x00000000-0x000003ff]
[ 0.004443][ T0] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
[ 0.004644][ T0] Scan for SMP in [mem 0x000f0000-0x000fffff]
[ 0.010588][ T0] Using GB pages for direct mapping
[ 0.011874][ T0] RAMDISK: [mem 0x106b9ff000-0x107abfffff]
[ 0.012057][ T0] ACPI: Early table checksum verification disabled
[ 0.012262][ T0] ACPI: RSDP 0x00000000693FD014 000024 (v02 INTEL )
[ 0.012473][ T0] ACPI: XSDT 0x00000000692FB188 0000D4 (v01 INTEL INTEL ID 00000000 INTL 01000013)
[ 0.012775][ T0] ACPI: FACP 0x00000000693F6000 000114 (v06 INTEL INTEL ID 00000000 INTL 20091013)
[ 0.013078][ T0] ACPI: DSDT 0x00000000693DB000 016E37 (v02 INTEL INTEL ID 00000003 INTL 20091013)
[ 0.013376][ T0] ACPI: FACS 0x0000000069298000 000040
[ 0.013550][ T0] ACPI: SSDT 0x00000000693FB000 00076F (v02 INTEL RAS_ACPI 00000001 INTL 20181003)
[ 0.013847][ T0] ACPI: SSDT 0x00000000693FA000 000663 (v02 INTEL ADDRXLAT 00000001 INTL 20181003)
[ 0.014144][ T0] ACPI: BERT 0x00000000693F9000 000030 (v01 INTEL INTEL ID 00000001 INTL 00000001)
[ 0.014440][ T0] ACPI: ERST 0x00000000693F8000 000230 (v01 INTEL INTEL ID 00000001 INTL 00000001)
[ 0.014736][ T0] ACPI: BDAT 0x00000000693F7000 000030 (v01 INTEL INTEL ID 00000000 INTL 20091013)
[ 0.015034][ T0] ACPI: HMAT 0x00000000693F5000 000698 (v01 INTEL INTEL ID 00000001 INTL 20091013)
[ 0.015330][ T0] ACPI: HPET 0x00000000693F4000 000038 (v01 INTEL INTEL ID 00000001 INTL 20091013)
[ 0.015627][ T0] ACPI: MCFG 0x00000000693F3000 00003C (v01 INTEL INTEL ID 00000001 INTL 20091013)
[ 0.015923][ T0] ACPI: WDDT 0x00000000693F2000 000040 (v01 INTEL INTEL ID 00000000 INTL 20091013)
[ 0.016219][ T0] ACPI: APIC 0x00000000693DA000 00011E (v04 INTEL INTEL ID 00000000 INTL 20091013)
[ 0.016515][ T0] ACPI: SLIT 0x00000000693D9000 00012C (v01 INTEL INTEL ID 00000001 INTL 01000013)
[ 0.016811][ T0] ACPI: SRAT 0x00000000693D7000 001570 (v03 INTEL INTEL ID 00000002 INTL 01000013)
[ 0.017107][ T0] ACPI: OEM4 0x0000000069375000 061EE1 (v02 INTEL CPU CST 00003000 INTL 20181003)
[ 0.017404][ T0] ACPI: OEM1 0x0000000069330000 044D89 (v02 INTEL CPU EIST 00003000 INTL 20181003)
[ 0.017700][ T0] ACPI: OEM2 0x000000006931E000 011831 (v02 INTEL CPU HWP 00003000 INTL 20181003)
[ 0.017996][ T0] ACPI: SSDT 0x0000000069300000 01D9A5 (v02 INTEL SSDT PM 00004000 INTL 20181003)
[ 0.018292][ T0] ACPI: SSDT 0x00000000692FF000 000943 (v02 INTEL INTEL ID 00000000 INTL 20091013)
[ 0.018589][ T0] ACPI: HEST 0x00000000692FE000 00013C (v01 INTEL INTEL ID 00000001 INTL 00000001)
[ 0.018885][ T0] ACPI: SPCR 0x00000000692FD000 000050 (v02 INTEL INTEL ID 00000000 INTL 01000013)
[ 0.019182][ T0] ACPI: DMAR 0x00000000692FC000 0000D8 (v01 INTEL INTEL ID 00000001 INTL 20091013)
[ 0.019478][ T0] ACPI: FPDT 0x00000000693FC000 000044 (v01 INTEL INTEL ID 00000002 INTL 01000013)
[ 0.019773][ T0] ACPI: Reserving FACP table memory at [mem 0x693f6000-0x693f6113]
[ 0.020020][ T0] ACPI: Reserving DSDT table memory at [mem 0x693db000-0x693f1e36]
[ 0.020266][ T0] ACPI: Reserving FACS table memory at [mem 0x69298000-0x6929803f]
[ 0.020511][ T0] ACPI: Reserving SSDT table memory at [mem 0x693fb000-0x693fb76e]
[ 0.020757][ T0] ACPI: Reserving SSDT table memory at [mem 0x693fa000-0x693fa662]
[ 0.021002][ T0] ACPI: Reserving BERT table memory at [mem 0x693f9000-0x693f902f]
[ 0.021248][ T0] ACPI: Reserving ERST table memory at [mem 0x693f8000-0x693f822f]
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
--
0-DAY CI Kernel Test Service
https://01.org/lkp
View attachment "config-5.17.0-02181-g3c238fa8a9b1" of type "text/plain" (166041 bytes)
View attachment "job-script" of type "text/plain" (5150 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (23448 bytes)
View attachment "xsave-test" of type "text/plain" (41185 bytes)
View attachment "job.yaml" of type "text/plain" (4256 bytes)
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