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From:   Bruno Goncalves <bgoncalv@redhat.com>
Date:   Fri, 5 Aug 2022 11:47:57 +0200
Message-ID: <CA+QYu4rPbfH-4wNR06Vn=31RCGKFFEB-KRskn52Jtig_UugYzg@mail.gmail.com>
Subject: [5.19.0] [aarch64] WARNING: CPU: 0 PID: 1 at mm/page_alloc.c:5407 __alloc_pages+0x1a0/0x290
To:     linux-arm-kernel@lists.infradead.org,
        LKML <linux-kernel@vger.kernel.org>
Cc:     CKI Project <cki-project@redhat.com>
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Hello,

Since commit "c1c76700a0d6" we started to hit the following call trace
on aarch64 VMs when looking at journalctl log

kernel: Mountpoint-cache hash table entries: 16384 (order: 5, 131072
bytes, linear)
kernel: ACPI PPTT: No PPTT table found, CPU and cache topology may be inaccurate
kernel: ------------[ cut here ]------------
kernel: WARNING: CPU: 0 PID: 1 at mm/page_alloc.c:5407 __alloc_pages+0x1a0/0x290
kernel: Modules linked in:
kernel: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0 #1
kernel: pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
kernel: pc : __alloc_pages+0x1a0/0x290
kernel: lr : alloc_page_interleave+0x24/0xbc
kernel: sp : ffff80000803bb90
kernel: x29: ffff80000803bb90 x28: 0000000000000000 x27: 0000000000000000
kernel: x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
kernel: x23: 000000000000001e x22: 0000000000000000 x21: 000000000000001e
kernel: x20: 000000000000001e x19: 0000000000040b20 x18: 0000000000000014
kernel: x17: 6e69206562207961 x16: 6d2079676f6c6f70 x15: 6f74206568636163
kernel: x14: 20646e6120555043 x13: 6574617275636361 x12: 6e69206562207961
kernel: x11: 6d2079676f6c6f70 x10: 6f74206568636163 x9 : ffffa4f6617fd5e8
kernel: x8 : ffffa4f663ed0440 x7 : 0000000000000007 x6 : 0000000000000000
kernel: x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
kernel: x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffffa4f663c53532
kernel: Call trace:
kernel:  __alloc_pages+0x1a0/0x290
kernel:  alloc_page_interleave+0x24/0xbc
kernel:  alloc_pages+0x10c/0x16c
kernel:  kmalloc_order+0x3c/0xc0
kernel:  kmalloc_order_trace+0x38/0x130
kernel:  __kmalloc+0x2e8/0x350
kernel:  detect_cache_attributes+0x9c/0x110
kernel:  update_siblings_masks+0x34/0x270
kernel:  store_cpu_topology+0x7c/0xc0
kernel:  smp_prepare_cpus+0x34/0x108
kernel:  kernel_init_freeable+0x108/0x1b8
kernel:  kernel_init+0x30/0x150
kernel:  ret_from_fork+0x10/0x20
kernel: ---[ end trace 0000000000000000 ]---
kernel: Early cacheinfo failed, ret = -12
kernel: cblist_init_generic: Setting adjustable number of callback queues.
kernel: cblist_init_generic: Setting shift to 2 and lim to 1.

test logs: https://datawarehouse.cki-project.org/kcidb/tests/4712644
cki issue tracker: https://datawarehouse.cki-project.org/issue/1485

kernel config: https://s3.amazonaws.com/arr-cki-prod-trusted-artifacts/trusted-artifacts/605193135/build%20aarch64/2816138306/artifacts/kernel-mainline.kernel.org-redhat_605193135_aarch64.config
kernel build: https://s3.amazonaws.com/arr-cki-prod-trusted-artifacts/trusted-artifacts/605193135/publish%20aarch64/2816138315/artifacts/kernel-mainline.kernel.org-redhat_605193135_aarch64.tar.gz

Thanks,
Bruno Goncalves