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Groups > linux.kernel > #1392112
| From | Mateusz Guzik <mguzik@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: linux-next: Tree for May 2 [WARNING: at fs/dcache.c] |
| Date | 2016-05-02 12:40 +0200 |
| Message-ID | <rujqF-1DM-5@gated-at.bofh.it> (permalink) |
| References | <ruhIe-dd-3@gated-at.bofh.it> <ruj7k-1t7-27@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, May 02, 2016 at 07:15:24PM +0900, Sergey Senozhatsky wrote: > On (05/02/16 18:40), Stephen Rothwell wrote: > > Hi all, > > > > Changes since 20160429 > > Hello, > > [ 0.368791] ------------[ cut here ]------------ > [ 0.368850] WARNING: CPU: 0 PID: 1 at fs/dcache.c:1688 d_set_d_op+0x5e/0xcc > [ 0.368911] Modules linked in: > [ 0.369002] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc6-next-20160502-dbg-00005-gf58c9da-dirty #404 > [ 0.369161] 0000000000000000 ffff880133067908 ffffffff811b8202 0000000000000000 > [ 0.369371] 0000000000000000 ffff880133067948 ffffffff81039365 00000698e5dffe26 > [ 0.369580] ffff880132c090c0 ffffffff81613680 ffff880132c040a0 ffff880132c08000 > [ 0.369791] Call Trace: > [ 0.369846] [<ffffffff811b8202>] dump_stack+0x4d/0x63 > [ 0.369904] [<ffffffff81039365>] __warn+0xb8/0xd3 > [ 0.369962] [<ffffffff810393e6>] warn_slowpath_null+0x18/0x1a > [ 0.370021] [<ffffffff811012f6>] d_set_d_op+0x5e/0xcc > [ 0.370079] [<ffffffff8110d887>] simple_lookup+0x2e/0x45 The issue is that 2 macros have the same value: #define DCACHE_OP_REAL 0x08000000 #define DCACHE_PAR_LOOKUP 0x08000000 /* being looked up (with parent locked shared) */ Verified with switching one to 0x10000000 and the warning went away. -- Mateusz Guzik
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linux-next: Tree for May 2 Stephen Rothwell <sfr@canb.auug.org.au> - 2016-05-02 10:50 +0200
Re: linux-next: Tree for May 2 [WARNING: at fs/dcache.c] Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-05-02 12:20 +0200
Re: linux-next: Tree for May 2 [WARNING: at fs/dcache.c] Mateusz Guzik <mguzik@redhat.com> - 2016-05-02 12:40 +0200
Re: linux-next: Tree for May 2 [WARNING: at fs/dcache.c] Stephen Rothwell <sfr@canb.auug.org.au> - 2016-05-02 14:10 +0200
Re: linux-next: Tree for May 2 [WARNING: at fs/dcache.c] Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-05-02 14:20 +0200
Re: linux-next: Tree for May 2 [WARNING: at fs/dcache.c] Stephen Rothwell <sfr@canb.auug.org.au> - 2016-05-02 14:40 +0200
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