2008-10-17 16:11:49

by folkert

[permalink] [raw]
Subject: [2.6.27] OOPS WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x3e/0xa0()

While running my rmmod/modprobe randomizer (http://vanheusden.com/pyk/ ) I got
the following OOPS:

------------[ cut here ]------------
WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x3e/0xa0()
sysfs group f8824b1c not found for kobject 'cpufreq'
Modules linked in: e_powersaver pcspkr dm_snapshot dm_mod eeprom usbhid(+) snd_usb_audio snd_hwdep c7temp cpufreq_ondemand psmouse snd_pcm_oss snd_mixer_oss sata_via via_rng rng_core ide_cd_mod serio_raw button snd_usb_lib fan ppdev snd_via82xx snd_ac97_codec ac97_bus snd_mpu401_uart padlock_aes crypto_blkcipher snd_hda_intel i2c_viapro parport_pc hwmon_vid sr_mod cpufreq_stats(-) aes_generic videodev rfcomm uhci_hcd via_velocity crc_ccitt parport sd_mod freq_table usbserial pci_hotplug cpufreq_userspace gameport v4l1_compat firewire_core ff_memless cdrom libata crc_itu_t hid evdev tun ipv6 nls_utf8 cifs nls_base nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc l2cap bluetooth snd_pcm snd_timer snd_page_alloc snd_rawmidi snd_seq_device snd soundcore i2c_core via_agp agpgart ext3 jbd mbcache ide_disk scsi_mod dock via_rhine via82cxxx mii usbcore ide_core thermal_sys [last unloaded: e_powersaver]
Pid: 21201, comm: rmmod Not tainted 2.6.27-c7temp-100hz-ch341 #2
[<c011e126>] warn_slowpath+0x4b/0x6c
[<c0138e0c>] ? mark_held_locks+0x53/0x6a
[<c0138fbc>] ? trace_hardirqs_on+0xb/0xd
[<c0138f90>] ? trace_hardirqs_on_caller+0xe7/0x108
[<c0138fbc>] ? trace_hardirqs_on+0xb/0xd
[<c0138f90>] ? trace_hardirqs_on_caller+0xe7/0x108
[<c0138fbc>] ? trace_hardirqs_on+0xb/0xd
[<c01b400e>] sysfs_remove_group+0x3e/0xa0
[<f8824316>] cpufreq_stats_exit+0x46/0x72 [cpufreq_stats]
[<c014066c>] sys_delete_module+0x1a7/0x208
[<c0160073>] ? shrink_active_list+0x16c/0x3e8
[<c01680d6>] ? do_munmap+0x1db/0x1f5
[<c01eab50>] ? trace_hardirqs_on_thunk+0xc/0x10
[<c0103857>] sysenter_do_call+0x12/0x3f
=======================
---[ end trace a49a8fac8db5df74 ]---


Folkert van Heusden

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2008-10-24 22:48:57

by Rafael J. Wysocki

[permalink] [raw]
Subject: Re: [2.6.27] OOPS WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x3e/0xa0()

On Friday, 17 of October 2008, Folkert van Heusden wrote:
> While running my rmmod/modprobe randomizer (http://vanheusden.com/pyk/ ) I got
> the following OOPS:

Is this reproducible with 2.6.26 and/or current mainline?

> ------------[ cut here ]------------
> WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0x3e/0xa0()
> sysfs group f8824b1c not found for kobject 'cpufreq'
> Modules linked in: e_powersaver pcspkr dm_snapshot dm_mod eeprom usbhid(+) snd_usb_audio snd_hwdep c7temp cpufreq_ondemand psmouse snd_pcm_oss snd_mixer_oss sata_via via_rng rng_core ide_cd_mod serio_raw button snd_usb_lib fan ppdev snd_via82xx snd_ac97_codec ac97_bus snd_mpu401_uart padlock_aes crypto_blkcipher snd_hda_intel i2c_viapro parport_pc hwmon_vid sr_mod cpufreq_stats(-) aes_generic videodev rfcomm uhci_hcd via_velocity crc_ccitt parport sd_mod freq_table usbserial pci_hotplug cpufreq_userspace gameport v4l1_compat firewire_core ff_memless cdrom libata crc_itu_t hid evdev tun ipv6 nls_utf8 cifs nls_base nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc l2cap bluetooth snd_pcm snd_timer snd_page_alloc snd_rawmidi snd_seq_device snd soundcore i2c_core via_agp agpgart ext3 jbd mbcache ide_disk scsi_mod dock via_rhine via82cxxx mii usbcore ide_core thermal_sys [last unloaded: e_powersaver]
> Pid: 21201, comm: rmmod Not tainted 2.6.27-c7temp-100hz-ch341 #2
> [<c011e126>] warn_slowpath+0x4b/0x6c
> [<c0138e0c>] ? mark_held_locks+0x53/0x6a
> [<c0138fbc>] ? trace_hardirqs_on+0xb/0xd
> [<c0138f90>] ? trace_hardirqs_on_caller+0xe7/0x108
> [<c0138fbc>] ? trace_hardirqs_on+0xb/0xd
> [<c0138f90>] ? trace_hardirqs_on_caller+0xe7/0x108
> [<c0138fbc>] ? trace_hardirqs_on+0xb/0xd
> [<c01b400e>] sysfs_remove_group+0x3e/0xa0
> [<f8824316>] cpufreq_stats_exit+0x46/0x72 [cpufreq_stats]
> [<c014066c>] sys_delete_module+0x1a7/0x208
> [<c0160073>] ? shrink_active_list+0x16c/0x3e8
> [<c01680d6>] ? do_munmap+0x1db/0x1f5
> [<c01eab50>] ? trace_hardirqs_on_thunk+0xc/0x10
> [<c0103857>] sysenter_do_call+0x12/0x3f
> =======================
> ---[ end trace a49a8fac8db5df74 ]---
>
>
> Folkert van Heusden
>