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From: Christoph Hellwig <hch@infradead.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Baolin Wang <baolin.wang@linux.alibaba.com>,
	linux-mm@kvack.org
Subject: Re: page type is 3, passed migratetype is 1 (nr=512)
Date: Mon, 27 May 2024 06:14:12 -0700	[thread overview]
Message-ID: <ZlSHJGOH-zrJmPU-@infradead.org> (raw)
In-Reply-To: <ZlRLMcB80keLDL2o@infradead.org>

On Mon, May 27, 2024 at 01:58:25AM -0700, Christoph Hellwig wrote:
> Hi all,
> 
> when running xfstests on nfs against a local server I see warnings like
> the ones above, which appear to have been added in commit
> e0932b6c1f94 (mm: page_alloc: consolidate free page accounting").

I've also reproduced this with xfstests on local xfs and no nfs in the
loop:

generic/176 214s ... [ 1204.507931] run fstests generic/176 at 2024-05-27 12:52:30
[ 1204.969286] XFS (nvme0n1): Mounting V5 Filesystem cd936307-415f-48a3-b99d-a2d52ae1f273
[ 1204.993621] XFS (nvme0n1): Ending clean mount
[ 1205.387032] XFS (nvme1n1): Mounting V5 Filesystem ab3ee1a4-af62-4934-9a6a-6c2fde321850
[ 1205.412322] XFS (nvme1n1): Ending clean mount
[ 1205.440388] XFS (nvme1n1): Unmounting Filesystem ab3ee1a4-af62-4934-9a6a-6c2fde321850
[ 1205.808063] XFS (nvme1n1): Mounting V5 Filesystem 7099b02d-9c58-4d1d-be1d-2cc472d12cd9
[ 1205.827290] XFS (nvme1n1): Ending clean mount
[ 1208.058931] ------------[ cut here ]------------
[ 1208.059613] page type is 3, passed migratetype is 1 (nr=512)
[ 1208.060402] WARNING: CPU: 0 PID: 509870 at mm/page_alloc.c:645 expand+0x1c5/0x1f0
[ 1208.061352] Modules linked in: i2c_i801 crc32_pclmul i2c_smbus [last unloaded: scsi_debug]
[ 1208.062344] CPU: 0 PID: 509870 Comm: xfs_io Not tainted 6.10.0-rc1+ #2437
[ 1208.063150] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 1208.064204] RIP: 0010:expand+0x1c5/0x1f0
[ 1208.064625] Code: 05 16 70 bf 02 01 e8 ca fc ff ff 8b 54 24 34 44 89 e1 48 c7 c7 80 a2 28 83 48 89 c6 b8 01 00 3
[ 1208.066555] RSP: 0018:ffffc90003b2b968 EFLAGS: 00010082
[ 1208.067111] RAX: 0000000000000000 RBX: ffffffff83fa9480 RCX: 0000000000000000
[ 1208.067872] RDX: 0000000000000005 RSI: 0000000000000027 RDI: 00000000ffffffff
[ 1208.068629] RBP: 00000000001f2600 R08: 00000000fffeffff R09: 0000000000000001
[ 1208.069336] R10: 0000000000000000 R11: ffffffff83676200 R12: 0000000000000009
[ 1208.070038] R13: 0000000000000200 R14: 0000000000000001 R15: ffffea0007c98000
[ 1208.070750] FS:  00007f72ca3d5780(0000) GS:ffff8881f9c00000(0000) knlGS:0000000000000000
[ 1208.071552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1208.072121] CR2: 00007f72ca1fff38 CR3: 00000001aa0c6002 CR4: 0000000000770ef0
[ 1208.072829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1208.073527] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400
[ 1208.074225] PKRU: 55555554
[ 1208.074507] Call Trace:
[ 1208.074758]  <TASK>
[ 1208.074977]  ? __warn+0x7b/0x120
[ 1208.075308]  ? expand+0x1c5/0x1f0
[ 1208.075652]  ? report_bug+0x191/0x1c0
[ 1208.076043]  ? handle_bug+0x3c/0x80
[ 1208.076400]  ? exc_invalid_op+0x17/0x70
[ 1208.076782]  ? asm_exc_invalid_op+0x1a/0x20
[ 1208.077203]  ? expand+0x1c5/0x1f0
[ 1208.077543]  ? expand+0x1c5/0x1f0
[ 1208.077878]  __rmqueue_pcplist+0x3a9/0x730
[ 1208.078285]  get_page_from_freelist+0x7a0/0xf00
[ 1208.078745]  __alloc_pages_noprof+0x153/0x2e0
[ 1208.079181]  __folio_alloc_noprof+0x10/0xa0
[ 1208.079603]  __filemap_get_folio+0x16b/0x370
[ 1208.080030]  iomap_write_begin+0x496/0x680
[ 1208.080441]  iomap_file_buffered_write+0x17f/0x440
[ 1208.080916]  xfs_file_buffered_write+0x7e/0x2a0
[ 1208.081374]  vfs_write+0x262/0x440
[ 1208.081717]  __x64_sys_pwrite64+0x8f/0xc0
[ 1208.082112]  do_syscall_64+0x4f/0x120
[ 1208.082487]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 1208.082982] RIP: 0033:0x7f72ca4ce2b7
[ 1208.083350] Code: 08 89 3c 24 48 89 4c 24 18 e8 15 f4 f8 ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 b
[ 1208.085126] RSP: 002b:00007ffe56d1a930 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
[ 1208.085867] RAX: ffffffffffffffda RBX: 0000000154400000 RCX: 00007f72ca4ce2b7
[ 1208.086560] RDX: 0000000000400000 RSI: 00007f72c9401000 RDI: 0000000000000003
[ 1208.087248] RBP: 0000000154400000 R08: 0000000000000000 R09: 00007ffe56d1a9d0
[ 1208.087946] R10: 0000000154400000 R11: 0000000000000293 R12: 00000000ffffffff
[ 1208.088639] R13: 00000000abc00000 R14: 0000000000000000 R15: 0000000000000551
[ 1208.089340]  </TASK>
[ 1208.089565] ---[ end trace 0000000000000000 ]---



  reply	other threads:[~2024-05-27 13:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-27  8:58 Christoph Hellwig
2024-05-27 13:14 ` Christoph Hellwig [this message]
2024-05-28 16:47   ` Johannes Weiner
2024-05-29  5:43     ` Christoph Hellwig
2024-05-29 16:28     ` Johannes Weiner
2024-05-30  1:04       ` Johannes Weiner
2024-05-30  1:51         ` Zi Yan
2024-05-30  3:22           ` Johannes Weiner
2024-05-30  4:06         ` [PATCH] mm: page_alloc: fix highatomic typing in multi-block buddies kernel test robot
2024-05-30 11:42         ` page type is 3, passed migratetype is 1 (nr=512) Johannes Weiner
2024-05-30 14:34           ` Zi Yan
2024-05-31 13:43           ` Vlastimil Babka
2024-05-31  5:41         ` Christoph Hellwig

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