linux-kernel - Re: mm: memory-failure: update ttu flag inside unmap_poisoned

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Message-ID: <844a1a1b-c9f3-48c2-b5d2-239037fa0b3b@huawei.com>
Date: Thu, 20 Mar 2025 10:40:40 +0800
From: mawupeng <mawupeng1@...wei.com>
To: <arthur.marsh@...ernode.on.net>
CC: <mawupeng1@...wei.com>, <akpm@...ux-foundation.org>, <david@...hat.com>,
	<linmiaohe@...wei.com>, <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
	<mhocko@...e.com>, <nao.horiguchi@...il.com>, <osalvador@...e.de>
Subject: Re: mm: memory-failure: update ttu flag inside unmap_poisoned_folio



On 2025/3/20 1:21, Arthur Marsh wrote:
> On recent kernel builds on a system with the following CPU with integrated GPU:
> 
> AMD Ryzen 5 5500GT with Radeon Graphics 
> 
> using the integrated GPU, on the following motherboard:
> 
> System manufacturer System Product Name/PRIME B350M-A, BIOS 6232 09/29/2024
> 
> I've been getting the error below on the initial loading of chromium after
> booting, which I git-bisected back to commit
> 
> b81679b1633aa43c0d973adfa816d78c1ed0d032 (which I am replying to now):
> 
> :
> 
> [  281.651311] WARNING: CPU: 4 PID: 3525 at mm/util.c:674 __kvmalloc_node_noprof+0xc8/0xe0
> [  281.651322] Modules linked in: snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device fuse bnep bluetooth rfkill cpufreq_userspace cpufreq_conservative cpufreq_powersave binfmt_misc nf_tables scsi_transport_iscsi nfnetlink sch_fq_codel exfat parport_pc ppdev lp parport rtl2832_sdr videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev fc0012 rtl2832 i2c_mux regmap_i2c dvb_usb_rtl28xxu amdgpu dvb_usb_v2 dvb_core mc amdxcp gpu_sched snd_hda_codec_realtek snd_hda_codec_hdmi drm_panel_backlight_quirks cec snd_hda_codec_generic drm_buddy drm_ttm_helper ttm snd_hda_scodec_component snd_hda_intel drm_client_lib drm_exec drm_suballoc_helper snd_intel_dspcfg drm_display_helper snd_hda_codec intel_rapl_msr intel_rapl_common snd_hda_core drm_kms_helper tpm_crb tpm_tis tpm_tis_core snd_hwdep drm snd_pcm tpm edac_mce_amd sha512_ssse3 sha3_generic jitterentropy_rng hmac drbg libaescfb snd_timer ansi_cprng sha512_generic i2c_algo_bit ecdh_generic snd sha256_ssse3 sha1_ssse3
> [  281.651387]  ccp aesni_intel ecc video mfd_core gf128mul crypto_simd cryptd button evdev soundcore wmi pcspkr rng_core k10temp ext4 crc16 mbcache jbd2 hid_generic usbhid sg uas sr_mod hid usb_storage cdrom sd_mod sp5100_tco ahci libahci xhci_pci r8169 xhci_hcd libata realtek mdio_devres serio_raw i2c_piix4 usbcore scsi_mod i2c_smbus libphy scsi_common usb_common
> [  281.651424] CPU: 4 UID: 1000 PID: 3525 Comm: chromium Tainted: G        W          6.14.0-rc3+ #6448
> [  281.651429] Tainted: [W]=WARN
> [  281.651430] Hardware name: System manufacturer System Product Name/PRIME B350M-A, BIOS 6232 09/29/2024
> [  281.651433] RIP: 0010:__kvmalloc_node_noprof+0xc8/0xe0
> [  281.651436] Code: 64 24 08 41 89 d8 be 01 00 00 00 48 89 ef 48 01 d1 48 89 44 24 10 48 c7 04 24 00 04 00 00 e8 6f 25 04 00 eb 87 80 e7 20 75 82 <0f> 0b 90 0f 1f 44 00 00 e9 75 ff ff ff 66 66 2e 0f 1f 84 00 00 00
> [  281.651438] RSP: 0018:ffffb1334837fc40 EFLAGS: 00010246
> [  281.651440] RAX: 0000000000000000 RBX: 00000000000000c0 RCX: 0000000000000016
> [  281.651442] RDX: 0000000000000016 RSI: ffffffffbe164ba8 RDI: 0000000000052cc0
> [  281.651443] RBP: 0000000498843b00 R08: ffffb1334837fda8 R09: ffffb1334837fdb8
> [  281.651444] R10: 0000000000000018 R11: 0000000000000000 R12: 00000000ffffffff
> [  281.651445] R13: ffffb1334837fcb8 R14: 0000000000000000 R15: ffff997e75680010
> [  281.651446] FS:  00007fda628ef500(0000) GS:ffff99854e700000(0000) knlGS:0000000000000000
> [  281.651447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [  281.651448] CR2: 00007fda6554b302 CR3: 000000013df40000 CR4: 0000000000750ef0
> [  281.651449] PKRU: 55555558
> [  281.651450] Call Trace:
> [  281.651451]  <TASK>
> [  281.651453]  ? __kvmalloc_node_noprof+0xc8/0xe0
> [  281.651455]  ? __warn.cold+0xad/0x109
> [  281.651459]  ? __kvmalloc_node_noprof+0xc8/0xe0
> [  281.651461]  ? report_bug+0x102/0x190
> [  281.651470]  ? handle_bug+0x59/0xa0
> [  281.651474]  ? exc_invalid_op+0x1f/0x90
> [  281.651477]  ? asm_exc_invalid_op+0x16/0x20
> [  281.651481]  ? __kmalloc_node_noprof+0x278/0x360
> [  281.651487]  ? __kvmalloc_node_noprof+0xc8/0xe0
> [  281.651489]  ? srso_alias_return_thunk+0x5/0xfbef5
> [  281.651491]  ? chrdev_open+0xad/0x220
> [  281.651496]  amdgpu_bo_create_list_entry_array+0x47/0x120 [amdgpu]
> [  281.651729]  amdgpu_bo_list_ioctl+0x4e/0x330 [amdgpu]
> [  281.651823]  ? __pfx_amdgpu_bo_list_ioctl+0x10/0x10 [amdgpu]
> [  281.651914]  drm_ioctl_kernel+0xa6/0x100 [drm]
> [  281.651942]  drm_ioctl+0x236/0x540 [drm]
> [  281.651954]  ? __pfx_amdgpu_bo_list_ioctl+0x10/0x10 [amdgpu]
> [  281.652047]  ? srso_alias_return_thunk+0x5/0xfbef5
> [  281.652049]  ? preempt_count_add+0x51/0xd0
> [  281.652053]  ? srso_alias_return_thunk+0x5/0xfbef5
> [  281.652054]  ? migrate_enable+0xc0/0xf0
> [  281.652058]  amdgpu_drm_ioctl+0x58/0xa0 [amdgpu]
> [  281.652138]  __x64_sys_ioctl+0x55f/0xab0
> [  281.652143]  ? srso_alias_return_thunk+0x5/0xfbef5
> [  281.652145]  ? do_sys_openat2+0x74/0xb0
> [  281.652148]  ? do_user_addr_fault+0x3a0/0x660
> [  281.652153]  do_syscall_64+0x47/0x110
> [  281.652155]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [  281.652157] RIP: 0033:0x7fda65ad08db
> [  281.652159] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
> [  281.652160] RSP: 002b:00007ffc93108640 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> [  281.652162] RAX: ffffffffffffffda RBX: 00003cfc000ac640 RCX: 00007fda65ad08db
> [  281.652162] RDX: 00007ffc931086f0 RSI: 00000000c0106443 RDI: 0000000000000014
> [  281.652163] RBP: 00007ffc931086f0 R08: 0000000000000000 R09: 0000000000000000
> [  281.652164] R10: 000000000000006c R11: 0000000000000246 R12: 00000000c0106443
> [  281.652165] R13: 0000000000000014 R14: 00007ffc93108760 R15: 00003cfc000ac658
> [  281.652168]  </TASK>
> [  281.652168] ---[ end trace 0000000000000000 ]---

It seems there is no connection with this patch.

> 
> chromium still loads and runs fine, but I am left wondering why this message
> is appearing.
> 
> I can supply full dmesg and .config if required.
> 
> Arthur.
> 
>