Numan DEMİRDÖĞEN <numand46@xxxxxxxxx> writes: > I have been getting this message since I started to use 3.0 series' > kernels. I found this (https://lkml.org/lkml/2011/5/4/516) topic > related to this warning. Hopefully I have added some relevant Cc's. The sdhci driver attempting to abuse sysfs and sysfs is refusing to put up with it. Can someone who understands the sdhci driver take a look at this? Eric > Best regards, > Numan. > --- > ver_linux output: > > Linux arch 3.1.6-1-ARCH #1 SMP PREEMPT Thu Dec 22 08:52:33 UTC 2011 > i686 Intel(R) Pentium(R) M processor 1.73GHz GenuineIntel GNU/Linux > Gnu C 4.6.2 > Gnu make 3.82 > binutils Binutils > util-linux fdformat > mount support > module-init-tools 3.16 > e2fsprogs 1.41.14 > xfsprogs 3.1.7 > Linux C Library > libc.2.15 > Dynamic linker (ldd) 2.15 > Linux C++ Library 6.0.16 > Procps 3.2.8 > Kbd 1.15.3 > Sh-utils 8.14 > Modules Loaded michael_mic arc4 ecb lib80211_crypt_tkip pcmcia > radeon ttm sdhci_pci sdhci firewire_ohci firewire_core ipw2200 libipw > yenta_socket cfg80211 iTCO_wdt r8169 intel_agp snd_hda_codec_si3054 > rfkill pcmcia_rsrc snd_hda_codec_analog psmouse pcmcia_core mmc_core > intel_gtt i2c_i801 mii iTCO_vendor_support crc_itu_t drm_kms_helper > evdev lib80211 battery ac video snd_hda_intel snd_hda_codec drm > snd_hwdep snd_pcm agpgart tifm_7xx1 tifm_core i2c_algo_bit i2c_core > snd_timer snd soundcore snd_page_alloc thermal button cpufreq_ondemand > acpi_cpufreq freq_table processor mperf ext4 mbcache jbd2 crc16 usbhid > hid sr_mod cdrom sd_mod pata_acpi uhci_hcd ahci libahci ata_piix > libata ehci_hcd scsi_mod usbcore > > dmesg excerpt: > > sdhci-pci 0000:06:09.4: SDHCI controller found [104c:8034] (rev 0) > sdhci-pci 0000:06:09.4: PCI INT A -> GSI 22 (level, low) -> IRQ 22 > _regulator_get: 0000:06:09.4 supply vmmc not found, using dummy regulator > Registered led device: mmc0:: > mmc0: SDHCI controller on PCI [0000:06:09.4] using PIO > _regulator_get: 0000:06:09.4 supply vmmc not found, using dummy regulator > ------------[ cut here ]------------ > WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0x9b/0xd0() > Hardware name: AMILO Pro V2045 > sysfs: cannot create duplicate filename > '/devices/pci0000:00/0000:00:1e.0/0000:06:09.4/microamps_requested_0000:06:09.4-vmmc' > Modules linked in: pcmcia radeon ttm sdhci_pci(+) sdhci firewire_ohci > firewire_core ipw2200 libipw yenta_socket cfg80211 iTCO_wdt r8169 > intel_agp snd_hda_codec_si3054 rfkill pcmcia_rsrc snd_hda_codec_analog > psmouse pcmcia_core mmc_core intel_gtt i2c_i801 mii > iTCO_vendor_support crc_itu_t drm_kms_helper evdev lib80211 battery ac > video snd_hda_intel snd_hda_codec drm snd_hwdep snd_pcm agpgart > tifm_7xx1 tifm_core i2c_algo_bit i2c_core snd_timer snd soundcore > snd_page_alloc thermal button cpufreq_ondemand acpi_cpufreq freq_table > processor mperf ext4 mbcache jbd2 crc16 usbhid hid sr_mod cdrom sd_mod > pata_acpi uhci_hcd ahci libahci ata_piix libata ehci_hcd scsi_mod > usbcore > Pid: 315, comm: modprobe Not tainted 3.1.6-1-ARCH #1 > Call Trace: > [<c0147182>] warn_slowpath_common+0x72/0xa0 > [<c02780db>] ? sysfs_add_one+0x9b/0xd0 > [<c02780db>] ? sysfs_add_one+0x9b/0xd0 > [<c0147253>] warn_slowpath_fmt+0x33/0x40 > [<c02780db>] sysfs_add_one+0x9b/0xd0 > [<c02773c9>] sysfs_add_file_mode+0x49/0x90 > [<c0277428>] sysfs_add_file+0x18/0x20 > [<c02774e1>] sysfs_create_file+0x21/0x30 > [<c036ddc8>] device_create_file+0x18/0x20 > [<c0341f5f>] create_regulator+0xdf/0x320 > [<c0342384>] _regulator_get+0x1e4/0x2a0 > [<e26803d0>] ? sdhci_timeout_timer+0xd0/0xd0 [sdhci] > [<c034246f>] regulator_get+0xf/0x20 > [<e267e64a>] sdhci_add_host+0x5ea/0xa80 [sdhci] > [<e268ce47>] sdhci_pci_probe+0x31a/0x3d3 [sdhci_pci] > [<c02e782d>] pci_device_probe+0x8d/0x120 > [<c0278a27>] ? sysfs_create_link+0x17/0x20 > [<c0370da8>] driver_probe_device+0x68/0x170 > [<c0370f41>] __driver_attach+0x91/0xa0 > [<c0370eb0>] ? driver_probe_device+0x170/0x170 > [<c0370009>] bus_for_each_dev+0x49/0x70 > [<c0370ac1>] driver_attach+0x21/0x30 > [<c0370eb0>] ? driver_probe_device+0x170/0x170 > [<c037079f>] bus_add_driver+0x17f/0x260 > [<c02e7690>] ? pci_dev_put+0x20/0x20 > [<c03713f6>] driver_register+0x66/0x110 > [<c02e85c3>] __pci_register_driver+0x43/0xc0 > [<e268f017>] sdhci_drv_init+0x17/0x19 [sdhci_pci] > [<c0101125>] do_one_initcall+0x35/0x170 > [<e268f000>] ? 0xe268efff > [<c0180ca5>] sys_init_module+0x905/0x1ac0 > [<c046325f>] sysenter_do_call+0x12/0x28 > ---[ end trace 1b4ccae14fe3a3a3 ]--- > create_regulator: dummy: could not add regulator_dev requested > microamps sysfs entry > mmc1: no vmmc regulator found > Registered led device: mmc1:: > mmc1: SDHCI controller on PCI [0000:06:09.4] using PIO > _regulator_get: 0000:06:09.4 supply vmmc not found, using dummy regulator > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html