linux-kernel - kobject_add_internal failed for vcs2 / vcsa2

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Message-Id: <200806041321.45944.elendil@planet.nl>
Date:	Wed, 4 Jun 2008 13:21:45 +0200
From:	Frans Pop <elendil@...net.nl>
To:	linux-kernel@...r.kernel.org
Subject: kobject_add_internal failed for vcs2 / vcsa2

These 2 suddenly appeared today. No idea why as I did not change the 
kernel and nothing jumps out at me from the userland packages I upgraded 
since the previous boot either.

Cheers,
FJP

kobject_add_internal failed for vcs2 with -EEXIST, don't try to register 
things with the same name in the same directory.
Pid: 2582, comm: consolechars Not tainted 2.6.26-rc4 #6

Call Trace:
 [<ffffffff8030f8a0>] ? kobject_put+0x4c/0x50
 [<ffffffff8030fb7f>] kobject_add_internal+0x14a/0x18d
 [<ffffffff8030fc85>] kobject_add_varg+0x41/0x4e
 [<ffffffff80310031>] kobject_add+0x89/0x8b
 [<ffffffff8030f9c5>] ? kobject_get+0x1a/0x22
 [<ffffffff8037c65e>] ? get_device+0x17/0x1f
 [<ffffffff8037ccff>] device_add+0x9a/0x516
 [<ffffffff8030f7f2>] ? kobject_init+0x42/0x6a
 [<ffffffff8037d194>] device_register+0x19/0x1d
 [<ffffffff8037d237>] device_create_vargs+0x9f/0xcd
 [<ffffffff8037d2bc>] device_create+0x57/0x59
 [<ffffffff80229676>] ? __wake_up+0x43/0x50
 [<ffffffff802497eb>] ? up+0x34/0x39
 [<ffffffff802343a7>] ? release_console_sem+0x18e/0x19b
 [<ffffffff80367683>] vcs_make_sysfs+0x33/0x62
 [<ffffffff8036d1de>] con_open+0xab/0xbd
 [<ffffffff803622d2>] tty_open+0x1c0/0x2e1
 [<ffffffff802940d4>] chrdev_open+0x151/0x178
 [<ffffffff80293f83>] ? chrdev_open+0x0/0x178
 [<ffffffff8028fa9a>] __dentry_open+0x140/0x251
 [<ffffffff8028fbd9>] nameidata_to_filp+0x2e/0x40
 [<ffffffff8029c275>] do_filp_open+0x3e1/0x83e
 [<ffffffff80277ce9>] ? handle_mm_fault+0x30d/0x66d
 [<ffffffff80315022>] ? __strncpy_from_user+0x1b/0x45
 [<ffffffff8028f7a4>] ? get_unused_fd_flags+0x80/0x114
 [<ffffffff8028f889>] do_sys_open+0x51/0xd8
 [<ffffffff8028f939>] sys_open+0x1b/0x1d
 [<ffffffff8020bf4b>] system_call_after_swapgs+0x7b/0x80

kobject_add_internal failed for vcsa2 with -EEXIST, don't try to register 
things with the same name in the same directory.
Pid: 2582, comm: consolechars Not tainted 2.6.26-rc4 #6

Call Trace:
 [<ffffffff8030f8a0>] ? kobject_put+0x4c/0x50
 [<ffffffff8030fb7f>] kobject_add_internal+0x14a/0x18d
 [<ffffffff8030fc85>] kobject_add_varg+0x41/0x4e
 [<ffffffff80310031>] kobject_add+0x89/0x8b
 [<ffffffff8030f9c5>] ? kobject_get+0x1a/0x22
 [<ffffffff8037c65e>] ? get_device+0x17/0x1f
 [<ffffffff8037ccff>] device_add+0x9a/0x516
 [<ffffffff8030f7f2>] ? kobject_init+0x42/0x6a
 [<ffffffff8037d194>] device_register+0x19/0x1d
 [<ffffffff8037d237>] device_create_vargs+0x9f/0xcd
 [<ffffffff8037d2bc>] device_create+0x57/0x59
 [<ffffffff80229676>] ? __wake_up+0x43/0x50
 [<ffffffff802497eb>] ? up+0x34/0x39
 [<ffffffff802343a7>] ? release_console_sem+0x18e/0x19b
 [<ffffffff803676ae>] vcs_make_sysfs+0x5e/0x62
 [<ffffffff8036d1de>] con_open+0xab/0xbd
 [<ffffffff803622d2>] tty_open+0x1c0/0x2e1
 [<ffffffff802940d4>] chrdev_open+0x151/0x178
 [<ffffffff80293f83>] ? chrdev_open+0x0/0x178
 [<ffffffff8028fa9a>] __dentry_open+0x140/0x251
 [<ffffffff8028fbd9>] nameidata_to_filp+0x2e/0x40
 [<ffffffff8029c275>] do_filp_open+0x3e1/0x83e
 [<ffffffff80277ce9>] ? handle_mm_fault+0x30d/0x66d
 [<ffffffff80315022>] ? __strncpy_from_user+0x1b/0x45
 [<ffffffff8028f7a4>] ? get_unused_fd_flags+0x80/0x114
 [<ffffffff8028f889>] do_sys_open+0x51/0xd8
 [<ffffffff8028f939>] sys_open+0x1b/0x1d
 [<ffffffff8020bf4b>] system_call_after_swapgs+0x7b/0x80


On the console they appeared here:
Wed Jun  4 12:57:34 2008: Setting sensors limits.
Wed Jun  4 12:57:34 2008: Setting console screen modes and fonts.
<kobject errors>
Wed Jun  4 12:57:34 2008: ^[]R^[[9;30]^[[14;30]Setting up ALSA...done.
Wed Jun  4 12:57:35 2008: Recovering nvi editor sessions...none found.

System: Main board D945GCZ, Intel Pentium D 3.2 GHz, x86_64 kernel
        Debian unstable


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