Re: kobject_add failed for tts/0 (-13)-EACCES

[Jan Engelhardt]

On Dec 19 2007 20:25, Jiri Slaby wrote:
>On 12/18/2007 06:39 AM, ManojKwal wrote:
>> io scheduler cfq registered
>> serial_dtsp_init()
>> serial_dtsp_probe()
>> dtsp_uart.0: tts/0 at MMIO 0x20200000 (irq = 2) is a ttyS
>> kobject_add failed for tts/0 (-13)
>> [<c001d918>] (dump_stack+0x0/0x14) from [<c00c9d74>]
>> (kobject_add+0x168/0x1a4)
>> [<c00c9c0c>] (kobject_add+0x0/0x1a4) from [<c00eab84>]
>> (class_device_add+0x88/0x420)
>>  r8 = C0114240  r7 = 0CC00040  r6 = C3E11BC0  r5 = C0323440
>>  r4 = C0323440 
>> [<c00eaafc>] (class_device_add+0x0/0x420) from [<c00eaf38>]
>> (class_device_register+0x1c/0x20)
>> [<c00eaf1c>] (class_device_register+0x0/0x20) from [<c00eafc8>]
>> (class_device_create+0x8c/0xc4)
>>  r4 = C0323440 
>> [<c00eaf3c>] (class_device_create+0x0/0xc4) from [<c00d0ef0>]
>> (tty_register_device+0xc8/0xe8)
>> [<c00d0e28>] (tty_register_device+0x0/0xe8) from [<c00e500c>]
>> (uart_add_one_port+0x22c/0x2a0)
>>  r7 = C011FAE4  r6 = 00000002  r5 = 00000000  r4 = 60000013
>> [<c00e4de0>] (uart_add_one_port+0x0/0x2a0) from [<c00e6a9c>]
>> (serial_dtsp_probe+0x40/0x60)
>
>Actually this is the first time google sees this function name. Where's that
>kernel from?
>
And tts/0 looks quite devfs-era -- and, what's more, I can image that in that
era, kobject does not yet handle '/' in paths (but I may be wrong - Kay
Sievers should know better as the issue recently turned up wrt. MD).
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