Hi Friends ,
When the driver try to create node under sysfs during boot-up , i am getting following error.
sysfs: duplicate filename '254:0' can not be created . Can you help me out to resolve this error ?
Trace attached below .
Thanks,
Shankar
------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x34/0x44()
sysfs: duplicate filename '254:0' can not be created
Modules linked in:
[<c03285e8>] (dump_stack+0x0/0x14) from [<c006c380>] (warn_slowpath+0x60/0x7c)
[<c006c320>] (warn_slowpath+0x0/0x7c) from [<c00fc05c>] (sysfs_add_one+0x34/0x44)
r3:ce41ee20 r2:c03b643a
r6:cf81fd38 r5:ce4211e8 r4:ffffffef
[<c00fc028>] (sysfs_add_one+0x0/0x44) from [<c00fcdf0>] (sysfs_do_create_link+0xb4/0x148)
r5:ce4211e8 r4:ce421278
[<c00fcd3c>] (sysfs_do_create_link+0x0/0x148) from [<c00fceb0>] (sysfs_create_link+0x14/0x18)
r8:ce41f48c r7:00000000 r6:cf80aa20 r5:ce41f400 r4:cf81fd89
[<c00fce9c>] (sysfs_create_link+0x0/0x18) from [<c01c5570>] (device_add+0x130/0x53c)
[<c01c5440>] (device_add+0x0/0x53c) from [<c01c5998>] (device_register+0x1c/0x20)
[<c01c597c>] (device_register+0x0/0x20) from [<c025de14>] (rtc_device_register+0x110/0x1c8)
r5:00000000 r4:ce41f400
[<c025dd04>] (rtc_device_register+0x0/0x1c8) from [<c0328224>] (twl4030_rtc_probe+0x3c/0x1cc)
[<c03281e8>] (twl4030_rtc_probe+0x0/0x1cc) from [<c01c8444>] (platform_drv_probe+0x20/0x24)
r8:c0423b68 r7:cf3ca560 r6:c042d840 r5:cf8eda08 r4:cf8eda08
[<c01c8424>] (platform_drv_probe+0x0/0x24) from [<c01c76d8>] (driver_probe_device+0xd0/0x17c)
[<c01c7608>] (driver_probe_device+0x0/0x17c) from [<c01c77d0>] (__driver_attach+0x4c/0x70)
r7:cf3ca560 r6:c042d840 r5:cf8edab4 r4:cf8eda08
[<c01c7784>] (__driver_attach+0x0/0x70) from [<c01c6f64>] (bus_for_each_dev+0x4c/0x80)
r7:cf3ca560 r6:c042d840 r5:c01c7784 r4:00000000
[<c01c6f18>] (bus_for_each_dev+0x0/0x80) from [<c01c7520>] (driver_attach+0x20/0x28)
r6:c042d840 r5:00000000 r4:00000000
[<c01c7500>] (driver_attach+0x0/0x28) from [<c01c6844>] (bus_add_driver+0xa8/0x210)
[<c01c679c>] (bus_add_driver+0x0/0x210) from [<c01c79c4>] (driver_register+0x98/0x120)
r8:00000000 r7:c00234b4 r6:c042d840 r5:00000000 r4:c002ab84
[<c01c792c>] (driver_register+0x0/0x120) from [<c01c8864>] (platform_driver_register+0x78/0x94)
r9:00000000 r8:00000000 r7:c00234b4 r6:00000000 r5:00000000
r4:c002ab84
[<c01c87ec>] (platform_driver_register+0x0/0x94) from [<c00234c8>] (twl4030_rtc_init+0x14/0x1c)
[<c00234b4>] (twl4030_rtc_init+0x0/0x1c) from [<c003229c>] (do_one_initcall+0x54/0x184)
[<c0032248>] (do_one_initcall+0x0/0x184) from [<c0008424>] (kernel_init+0x80/0xf4)
r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:c002ab84
[<c00083a4>] (kernel_init+0x0/0xf4) from [<c006f210>] (do_exit+0x0/0x744)
r4:00000000
---[ end trace 70f73452e09e3610 ]---
"The most beautiful thing we can experience is the mysterious. It is the source of all true art and science."
When the driver try to create node under sysfs during boot-up , i am getting following error.
sysfs: duplicate filename '254:0' can not be created . Can you help me out to resolve this error ?
Trace attached below .
Thanks,
Shankar
------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x34/0x44()
sysfs: duplicate filename '254:0' can not be created
Modules linked in:
[<c03285e8>] (dump_stack+0x0/0x14) from [<c006c380>] (warn_slowpath+0x60/0x7c)
[<c006c320>] (warn_slowpath+0x0/0x7c) from [<c00fc05c>] (sysfs_add_one+0x34/0x44)
r3:ce41ee20 r2:c03b643a
r6:cf81fd38 r5:ce4211e8 r4:ffffffef
[<c00fc028>] (sysfs_add_one+0x0/0x44) from [<c00fcdf0>] (sysfs_do_create_link+0xb4/0x148)
r5:ce4211e8 r4:ce421278
[<c00fcd3c>] (sysfs_do_create_link+0x0/0x148) from [<c00fceb0>] (sysfs_create_link+0x14/0x18)
r8:ce41f48c r7:00000000 r6:cf80aa20 r5:ce41f400 r4:cf81fd89
[<c00fce9c>] (sysfs_create_link+0x0/0x18) from [<c01c5570>] (device_add+0x130/0x53c)
[<c01c5440>] (device_add+0x0/0x53c) from [<c01c5998>] (device_register+0x1c/0x20)
[<c01c597c>] (device_register+0x0/0x20) from [<c025de14>] (rtc_device_register+0x110/0x1c8)
r5:00000000 r4:ce41f400
[<c025dd04>] (rtc_device_register+0x0/0x1c8) from [<c0328224>] (twl4030_rtc_probe+0x3c/0x1cc)
[<c03281e8>] (twl4030_rtc_probe+0x0/0x1cc) from [<c01c8444>] (platform_drv_probe+0x20/0x24)
r8:c0423b68 r7:cf3ca560 r6:c042d840 r5:cf8eda08 r4:cf8eda08
[<c01c8424>] (platform_drv_probe+0x0/0x24) from [<c01c76d8>] (driver_probe_device+0xd0/0x17c)
[<c01c7608>] (driver_probe_device+0x0/0x17c) from [<c01c77d0>] (__driver_attach+0x4c/0x70)
r7:cf3ca560 r6:c042d840 r5:cf8edab4 r4:cf8eda08
[<c01c7784>] (__driver_attach+0x0/0x70) from [<c01c6f64>] (bus_for_each_dev+0x4c/0x80)
r7:cf3ca560 r6:c042d840 r5:c01c7784 r4:00000000
[<c01c6f18>] (bus_for_each_dev+0x0/0x80) from [<c01c7520>] (driver_attach+0x20/0x28)
r6:c042d840 r5:00000000 r4:00000000
[<c01c7500>] (driver_attach+0x0/0x28) from [<c01c6844>] (bus_add_driver+0xa8/0x210)
[<c01c679c>] (bus_add_driver+0x0/0x210) from [<c01c79c4>] (driver_register+0x98/0x120)
r8:00000000 r7:c00234b4 r6:c042d840 r5:00000000 r4:c002ab84
[<c01c792c>] (driver_register+0x0/0x120) from [<c01c8864>] (platform_driver_register+0x78/0x94)
r9:00000000 r8:00000000 r7:c00234b4 r6:00000000 r5:00000000
r4:c002ab84
[<c01c87ec>] (platform_driver_register+0x0/0x94) from [<c00234c8>] (twl4030_rtc_init+0x14/0x1c)
[<c00234b4>] (twl4030_rtc_init+0x0/0x1c) from [<c003229c>] (do_one_initcall+0x54/0x184)
[<c0032248>] (do_one_initcall+0x0/0x184) from [<c0008424>] (kernel_init+0x80/0xf4)
r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:c002ab84
[<c00083a4>] (kernel_init+0x0/0xf4) from [<c006f210>] (do_exit+0x0/0x744)
r4:00000000
---[ end trace 70f73452e09e3610 ]---
"The most beautiful thing we can experience is the mysterious. It is the source of all true art and science."
--
With Regards,
ShankarGanesh K .
"The most beautiful thing we can experience is the mysterious. It is the source of all true art and science."
