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Date: Thu, 31 Oct 2013 09:49:56 -0700 From: Lee Jones <lee.jones@...aro.org> To: Borislav Petkov <bp@...en8.de> Cc: lkml <linux-kernel@...r.kernel.org>, Samuel Ortiz <sameo@...ux.intel.com> Subject: Re: sysfs: cannot create duplicate filename /bus/i2c/drivers/tps65010 > > > just FYI: I see the below with the attached randconfig on latest -rc7+ > > > (output is a bit funny due to keeping earlyprintk on). > > > > > > [ 0.460026] ------------[ cut here ]------------ > > > [ 0.462726] WARNING: CPU: 0 PID: 1 at fs/sysfs/dir.c:526 sysfs_add_one+0xa0/0xc0() > > > [ 0.464002] sysfs: cannot create duplicate filename '/bus/i2c/drivers/tps65010' > > > [ 0.466018] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc7-02023-gf5889fb1b3ba #1 > > > [ 0.468002] 0000000000000009 > > > [ 0.468002] 0000000000000009 ffff88007e44fc20 ffff88007e44fc20 ffffffff89cda7e4 ffffffff89cda7e4 ffff88007e44fc58 ffff88007e44fc58 > > > [ 0.470111] ffffffff89089307 > > > [ 0.470111] ffffffff89089307 00000000ffffffef 00000000ffffffef ffff88007e52cd20 ffff88007e52cd20 ffff88007e44fd00 ffff88007e44fd00 > > > [ 0.473348] ffff88007e549000 > > > [ 0.473348] ffff88007e549000 0000000000000000 0000000000000000 ffff88007e44fcb8 ffff88007e44fcb8 ffffffff890893a7 ffffffff890893a7 > > > [ 0.475453] Call Trace: > > > [ 0.476004] [<ffffffff89cda7e4>] dump_stack+0x19/0x1b > > > [ 0.477448] [<ffffffff89089307>] warn_slowpath_common+0x67/0x90 > > > [ 0.479108] [<ffffffff890893a7>] warn_slowpath_fmt+0x47/0x50 > > > [ 0.480003] [<ffffffff89198ea0>] sysfs_add_one+0xa0/0xc0 > > > [ 0.481493] [<ffffffff8919900f>] create_dir+0x6f/0xe0 > > > [ 0.482910] [<ffffffff89199394>] sysfs_create_dir+0x84/0xe0 > > > [ 0.484011] [<ffffffff8941dd7f>] kobject_add_internal+0xaf/0x2c0 > > > [ 0.485690] [<ffffffff8941dff0>] kobject_init_and_add+0x60/0x80 > > > [ 0.488010] [<ffffffff8943ee2d>] ? __raw_spin_lock_init+0x2d/0x50 > > > [ 0.489721] [<ffffffff895774ae>] bus_add_driver+0x9e/0x2a0 > > > [ 0.492017] [<ffffffff8a769b5d>] ? wm831x_spi_init+0x28/0x28 > > > [ 0.493622] [<ffffffff8957914f>] driver_register+0x5f/0xf0 > > > [ 0.495160] [<ffffffff8a769b5d>] ? wm831x_spi_init+0x28/0x28 > > > [ 0.496018] [<ffffffff89845c67>] i2c_register_driver+0x27/0xb0 > > > [ 0.497650] [<ffffffff8a769b91>] tps_init+0x34/0x79 > > > [ 0.499041] [<ffffffff8a743df3>] do_one_initcall+0x7c/0x117 > > > [ 0.500011] [<ffffffff890a62d8>] ? parse_args+0x1f8/0x330 > > > [ 0.501522] [<ffffffff8a743fa1>] kernel_init_freeable+0x113/0x198 > > > [ 0.504002] [<ffffffff8a74382f>] ? do_early_param+0x88/0x88 > > > [ 0.505587] [<ffffffff89cc9990>] ? rest_init+0x130/0x130 > > > [ 0.507079] [<ffffffff89cc9999>] kernel_init+0x9/0x180 > > > [ 0.508004] [<ffffffff89ced98a>] ret_from_fork+0x7a/0xb0 > > > [ 0.509496] [<ffffffff89cc9990>] ? rest_init+0x130/0x130 > > > [ 0.512011] ---[ end trace 70292a51052b5aeb ]--- > > > > Is this an MFD issue? > > I'd think so because AFAICT it all starts from > drivers/mfd/tps65010.c::tps_init() but I don't know the code so ... What h/w are you attempting to run this on? -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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