From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Rees Subject: WARNING: at kref_get Date: Thu, 10 Mar 2011 00:49:45 -0500 Message-ID: <20110310054945.GB3058@merit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: linux-pm@lists.linux-foundation.org List-Id: linux-pm@vger.kernel.org Was there ever a resolution to this bug? Date: Tue Nov 2 14:49:08 PDT 2010 Subject: [GIT PULL] One more power management fix for 2.6.37 https://lists.linux-foundation.org/pipermail/linux-pm/2010-November/029299.html I'm still seeing this in the Ubuntu version of 2.6.38-rc6. I'd be happy to try with the kernel.org version if anyone thinks it would make a difference. WARNING: at /u/rees/l/linux-natty/lib/kref.c:34 kref_get+0x21/0x30() Hardware name: 2386BHU Modules linked in: sha1_generic arc4 ppp_mppe ppp_async crc_ccitt michael_mic orinoco_cs orinoco cfg80211 parport_pc dm_crypt ppdev snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss pcmcia snd_mixer_oss snd_pcm thinkpad_acpi snd_timer yenta_socket psmouse snd pcmcia_rsrc serio_raw pcmcia_core snd_page_alloc soundcore nvram lp parport i915 fbcon tileblit font bitblit softcursor drm_kms_helper drm usbhid intel_agp i2c_algo_bit intel_gtt e1000 sdhci_pci hid ata_piix sdhci video agpgart Pid: 7110, comm: pm-suspend Not tainted 2.6.38-rc6-x40 #5 Call Trace: [] ? warn_slowpath_common+0x72/0xa0 [] ? kref_get+0x21/0x30 [] ? kref_get+0x21/0x30 [] ? warn_slowpath_null+0x22/0x30 [] ? kref_get+0x21/0x30 [] ? kobject_get+0x12/0x20 [] ? get_device+0x18/0x20 [] ? dpm_resume_end+0x1c0/0x2b0 [] ? suspend_devices_and_enter+0xb8/0x260 [] ? printk+0x1d/0x20 [] ? enter_state+0x108/0x130 [] ? state_store+0x6d/0xb0 [] ? state_store+0x0/0xb0 [] ? kobj_attr_store+0x20/0x30 [] ? sysfs_write_file+0x99/0xf0 [] ? vfs_write+0xa2/0x170 [] ? sysfs_write_file+0x0/0xf0 [] ? sys_write+0x42/0x70 [] ? syscall_call+0x7/0xb ---[ end trace 3295bc3b85c7d9eb ]--- PM: resume devices took 0.916 seconds Restarting tasks ... done. video LNXVIDEO:00: Restoring backlight state EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0