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Date: Tue, 4 Nov 2008 18:25:17 +0100 From: Folkert van Heusden <folkert@...heusden.com> To: linux-kernel@...r.kernel.org Subject: [2.6.26] WARN warn_on_slowpath While running my http://vanheusden.com/pyk/ 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@...e project: setiathome.ssl.berkeley.edu ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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