[Bugme-new] [Bug 10777] New: proc_dir_entry 'rtc' already registered

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=10777

           Summary: proc_dir_entry 'rtc' already registered
           Product: Drivers
           Version: 2.5
     KernelVersion: 2.6.25.4
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: low
          Priority: P1
         Component: Other
        AssignedTo: drivers_other at kernel-bugs.osdl.org
        ReportedBy: devzero at web.de


Latest working kernel version: -
Earliest failing kernel version: 2.6.25 , maybe earlier kernels too
Distribution: opensuse 11 beta
Hardware Environment: x86
Software Environment: - 

Problem Description:

not a real problem, but probably not desired behaviour


lsmod |grep rtc

rtc_cmos               14752  0 
rtc_core               24860  1 rtc_cmos
rtc_lib                 7040  1 rtc_core

modprobe genrtc

dmesg:
Generic RTC Driver v1.07
proc_dir_entry 'rtc' already registered
Pid: 2643, comm: modprobe Tainted: G        N
2.6.25.4-HEAD_20080520151401-default #1
 [<c01071d9>] dump_trace+0x63/0x227
 [<c0107c8a>] show_trace+0x15/0x29
 [<c02e7398>] _etext+0x5b/0x65
 [<c01aa764>] proc_register+0xf9/0x128
 [<c01aa89b>] create_proc_entry+0x77/0x8b
 [<e085e030>] rtc_generic_init+0x30/0x59 [genrtc]
 [<c0144281>] sys_init_module+0x198b/0x1ab8
 [<c01059e4>] sysenter_past_esp+0x6d/0xa9
 [<ffffe430>] 0xffffe430
 =======================

lsmod |grep rtc

genrtc                 12904  0 
rtc_cmos               14752  0 
rtc_core               24860  1 rtc_cmos
rtc_lib                 7040  1 rtc_core

as we can see genrtc loads and wants to register in /proc, but there already is
 one. 

even more weird:

# ls -la /proc/driver/
insgesamt 0
dr-xr-xr-x   2 root root 0 22. Mai 21:04 .
dr-xr-xr-x 111 root root 0 22. Mai 2008  ..
-r--r--r--   1 root root 0 22. Mai 21:05 rtc
-r--r--r--   1 root root 0 22. Mai 21:05 rtc
-rw-r--r--   1 root root 0 22. Mai 21:05 snd-page-alloc

2 entries "rtc" in /proc/driver

Steps to reproduce: just do modprobe genrtc with other rtc driver already
loaded.


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