LKML Archive on
help / color / mirror / Atom feed
From: Folkert van Heusden <>
Subject: [2.6.26] WARN warn_on_slowpath
Date: Tue, 4 Nov 2008 18:25:17 +0100	[thread overview]
Message-ID: <> (raw)

While running my script (which randomly
inserts and removes modules) I triggered the folllowing WARNING in a
2.6.26 kernel on an IBM xSeries x3650 (2 quadcores (intel qc x5450)
and 10GB ram).

[ 2812.832441] sysfs group ffffffffa0191ec0 not found for kobject 'cpufreq'
[ 2812.833486] ------------[ cut here ]------------
[ 2812.833556] WARNING: at fs/sysfs/group.c:139 cpufreq_stats_free_table+0x32/0x6e [cpufreq_stats]()
[ 2812.837160] Modules linked in: cpufreq_ondemand sg lp cpufreq_userspace acpi_cpufreq pcspkr edac_core ses parport_pc appletalk(-) enclosure loop thermal parport cpufreq_stats(-) video output battery cdrom rng_core qla2xxx ac rfcomm l2cap bluetooth nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs freq_table ipv6 evdev ext3 jbd mbcache dm_log dm_mod usbhid hid ff_memless sd_mod firmware_class scsi_transport_fc ide_pci_generic ide_core ehci_hcd uhci_hcd scsi_tgt aacraid scsi_mod processor thermal_sys [last unloaded: dm_mirror]
[ 2812.837160] Pid: 12061, comm: rmmod Not tainted 2.6.26-1-amd64 #1
[ 2812.837160] 
[ 2812.837160] Call Trace:
[ 2812.837160]  [<ffffffff80234878>] warn_on_slowpath+0x51/0x7a
[ 2812.837160]  [<ffffffff8022c195>] default_wake_function+0x0/0xe
[ 2812.837160]  [<ffffffff802e21b4>] sysfs_find_dirent+0x1b/0x2f
[ 2812.837160]  [<ffffffff802e2c62>] sysfs_get_dirent+0x51/0x59
[ 2812.837160]  [<ffffffff802e3523>] sysfs_remove_group+0x41/0xc2
[ 2812.837197]  [<ffffffffa0191380>] :cpufreq_stats:cpufreq_stats_free_table+0x32/0x6e
[ 2812.837283]  [<ffffffffa01913fd>] :cpufreq_stats:cpufreq_stats_exit+0x41/0x58
[ 2812.837355]  [<ffffffff80255200>] sys_delete_module+0x1a6/0x1fe
[ 2812.837494]  [<ffffffff8020be9a>] system_call_after_swapgs+0x8a/0x8f
[ 2812.837564] 
[ 2812.837623] ---[ end trace a70f168407a6dea1 ]---
[ 2812.837692] sysfs group ffffffffa0191ec0 not found for kobject 'cpufreq'

Folkert van Heusden

Ever wonder what is out there? Any alien races? Then please support
the seti@home project:
Phone: +31-6-41278122, PGP-key: 1F28D8AE,

             reply	other threads:[~2008-11-04 17:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-04 17:25 Folkert van Heusden [this message]
2008-11-04 17:26 ` [2.6.26] ERROR FC host 'qla2xxx' attempted to flush work, when no workqueue created Folkert van Heusden
2008-11-04 17:27 ` [2.6.26] OOPS: unable to handle kernel NULL pointer dereference at 0000000000000038 Folkert van Heusden
2008-11-11 20:02   ` [2.6.27] allows to rmmod 'ide_pci_generic' with mounted filesystems Folkert van Heusden
2008-11-11 20:38     ` Folkert van Heusden
2008-11-11 20:54       ` [2.6.27] attempt to access beyond end of device Folkert van Heusden

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).