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Message-ID: <YyRBktIgj+G3wq/k@kroah.com>
Date: Fri, 16 Sep 2022 11:27:46 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: David Wysochanski <dwysocha@...hat.com>
Cc: wangyugui@...-tech.com, Naresh Kamboju <naresh.kamboju@...aro.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
stable@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
jonathanh@...dia.com, f.fainelli@...il.com,
sudipm.mukherjee@...il.com, slade@...dewatkins.com,
Trond Myklebust <trond.myklebust@...merspace.com>,
Anna Schumaker <anna@...nel.org>,
linux-nfs <linux-nfs@...r.kernel.org>
Subject: Re: [PATCH 5.15 000/121] 5.15.68-rc1 review
On Thu, Sep 15, 2022 at 05:27:40PM -0400, David Wysochanski wrote:
> On Thu, Sep 15, 2022 at 12:02 PM Wang Yugui <wangyugui@...-tech.com> wrote:
> >
> > Hi,
> >
> > > I have not bisected the reported problem.
> > >
> > > hugemmap05.c:99: TINFO: check /proc/meminfo before allocation.
> > > hugemmap05.c:278: TINFO: HugePages_Total is 3.
> > > hugemmap05.c:278: TINFO: HugePages_Free is 3.
> > > hugemmap05.c:278: TINFO: HugePages_Surp is 1.
> > > hugemmap05.c:27[ 51.077819] ------------[ cut here ]------------
> > > [ 51.082692] WARNING: CPU: 0 PID: 590 at fs/nfs/inode.c:123
> > > nfs_evict_inode+0x58/0x70
> > > [ 51.090451] Modules linked in: x86_pkg_temp_thermal
> > > [ 51.095329] CPU: 0 PID: 590 Comm: hugemmap05 Not tainted 5.15.68-rc1 #1
> > > [ 51.101948] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
> > > 2.5 11/26/2020
> > > [ 51.109340] RIP: 0010:nfs_evict_inode+0x58/0x70
> > > [ 51.113872] Code: 29 49 8b 54 24 90 49 8d 44 24 90 48 39 c2 75 2b
> > > 4c 89 e7 e8 7a d8 ff ff 4c 89 e7 e8 82 74 ff ff 4c 8b 65 f8 c9 c3 cc
> > > cc cc cc <0f> 0b 49 8b 54 24 90 49 8d 44 24 90 48 39 c2 74 d5 0f 0b eb
> > > d1 0f
> > > [ 51.132626] RSP: 0018:ffffb6b140a8fb90 EFLAGS: 00010286
> > > [ 51.137861] RAX: adacafaea9a8abaa RBX: ffff937fa606a2c0 RCX: ffffb6b140a8fbd0
> > > [ 51.144986] RDX: ffff937fa606a2d0 RSI: ffffffffbc720682 RDI: ffffffffbc5ec05f
> > > [ 51.152120] RBP: ffffb6b140a8fb98 R08: 0000000000000000 R09: ffffb6b140a8fcf0
> > > [ 51.159253] R10: 0000000000000000 R11: 0000000000000002 R12: ffff937fa606a1a8
> > > [ 51.166395] R13: ffffffffbd851b40 R14: ffff937c40803870 R15: 0000000000000003
> > > [ 51.173525] FS: 00007f5afcdf4740(0000) GS:ffff937fa7a00000(0000)
> > > knlGS:0000000000000000
> > > [ 51.181602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > > [ 51.187359] CR2: 00007f5afcf10680 CR3: 000000010360a006 CR4: 00000000003706f0
> > > 8: TINFO: HugePa[ 51.194499] DR0: 0000000000000000 DR1:
> > > 0000000000000000 DR2: 0000000000000000
> > > [ 51.203009] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> > > [ 51.210135] Call Trace:
> > > [ 51.212585] <TASK>
> > > [ 51.214684] evict+0xc8/0x180
> > > [ 51.217682] prune_icache_sb+0x81/0xc0
> > > [ 51.221435] super_cache_scan+0x169/0x200
> > > [ 51.225447] do_shrink_slab+0x13f/0x2b0
> > > [ 51.229288] shrink_slab+0x186/0x2a0
> > > [ 51.232868] drop_slab_node+0x4a/0xa0
> > > [ 51.236533] drop_slab+0x41/0x90
> > > [ 51.239765] drop_caches_sysctl_handler+0x79/0x90
> > > [ 51.244471] proc_sys_call_handler+0x159/0x290
> > > [ 51.248918] proc_sys_write+0x13/0x20
> > > [ 51.252582] new_sync_write+0x111/0x1a0
> > > [ 51.256423] vfs_write+0x1d5/0x270
> > > [ 51.259828] ksys_write+0x67/0xf0
> > > [ 51.263150] __x64_sys_write+0x19/0x20
> > > [ 51.266901] do_syscall_64+0x38/0x90
> > > [ 51.270479] entry_SYSCALL_64_after_hwframe+0x61/0xcb
> > > [ 51.275534] RIP: 0033:0x7f5afcef31d7
> > > [ 51.279112] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7
> > > 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00
> > > 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89
> > > 74 24
> > > [ 51.297859] RSP: 002b:00007ffd40638738 EFLAGS: 00000246 ORIG_RAX:
> > > 0000000000000001
> > > [ 51.305425] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5afcef31d7
> > > [ 51.312557] RDX: 0000000000000001 RSI: 00000000016f1480 RDI: 0000000000000003
> > > [ 51.319689] RBP: 00000000016f1480 R08: 0000000000000001 R09: 0000000000000001
> > > [ 51.326812] R10: 0000000000001000 R11: 0000000000000246 R12: 0000000000000001
> > > [ 51.333938] R13: 00000000016f12a0 R14: 0000000000000001 R15: 00007f5afcfe87a0
> > > [ 51.341073] </TASK>
> > > [ 51.343264] ---[ end trace 3420625c1fbde9e9 ]---
> > > ges_Rsvd is 3.
> > > [ 51.348004] hugemmap05 (590): drop_caches: 3
> > > hugemmap05.c:253: TINFO: First hex is 7070707
> >
> > I hit this warning too.
> >
> > It seems that we need this patch for 5.15.y
> >
> > commit 0ebeebcf59601bcfa0284f4bb7abdec051eb856d
> > Author: Dave Wysochanski <dwysocha@...hat.com>
> > Date: Sun Oct 10 18:23:13 2021 -0400
> >
> > NFS: Fix WARN_ON due to unionization of nfs_inode.nrequests
> >
> > Fixes the following WARN_ON
> > WARNING: CPU: 2 PID: 18678 at fs/nfs/inode.c:123 nfs_clear_inode+0x3b/0x50 [nfs]
> > ...
> > Call Trace:
> > nfs4_evict_inode+0x57/0x70 [nfsv4]
> > evict+0xd1/0x180
> >
> > Best Regards
> > Wang Yugui (wangyugui@...-tech.com)
> > 2022/09/15
> >
> >
>
> Sorry, commit 0ebeebcf59601bcfa0284f4bb7abdec051eb856d probably should
> have had this
> Fixes: e591b298d7ec "NFS: Save some space in the inode"
Now queued up, thanks.
greg k-h
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