Bug 726489

Summary: [abrt] kernel: WARNING: at lib/kref.c:34 kref_get+0x21/0x2b(): TAINTED ---------W-I
Product: [Fedora] Fedora Reporter: Emre <emre>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED INSUFFICIENT_DATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 15CC: gansalmon, itamar, jonathan, kai.kasurinen, kernel-maint, madhu.chinakonda, mhaitham
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:2caa9aad509587c280807ad2fd403de05236763d
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-11-30 19:20:47 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Emre 2011-07-28 19:38:28 UTC 
abrt version: 2.0.3
architecture:   x86_64
cmdline:        ro root=UUID=8efdc5a5-d2fb-458f-ad0f-4a87af016dcc rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=trq rhgb quiet
comment:        -----------------
component:      kernel
kernel:         2.6.38.7-30.fc15.x86_64
kernel_tainted: 2560
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         WARNING: at lib/kref.c:34 kref_get+0x21/0x2b()
time:           Thu Jul 28 22:34:47 2011

backtrace:
:WARNING: at lib/kref.c:34 kref_get+0x21/0x2b()
:Hardware name: HP EliteBook 6930p
:Modules linked in: vfat fat rndis_wlan rndis_host cdc_ether usbnet mii usb_storage uas tcp_lp xts gf128mul dm_crypt tun fuse ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf rfcomm sco bnep l2cap ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables snd_hda_codec_analog arc4 iwlagn iwlcore mac80211 cfg80211 snd_hda_intel iTCO_wdt snd_hda_codec snd_hwdep snd_seq snd_seq_device pata_pcmcia hp_wmi sparse_keymap btusb bluetooth rfkill iTCO_vendor_support uvcvideo videodev wmi v4l2_compat_ioctl32 snd_pcm ppdev snd_timer snd microcode e1000e soundcore joydev serio_raw snd_page_alloc hp_accel lis3lv02d parport_pc parport tpm_infineon input_polldev virtio_net kvm ipv6 sdhci_pci sdhci firewire_ohci pata_acpi mmc_core firewire_core ata_generic yenta_socket crc_itu_t video radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
:Pid: 17786, comm: pm-suspend Tainted: G        W I 2.6.38.7-30.fc15.x86_64 #1
:Call Trace:
: [<ffffffff8105511a>] warn_slowpath_common+0x83/0x9b
: [<ffffffff8105514c>] warn_slowpath_null+0x1a/0x1c
: [<ffffffff8122bb4a>] kref_get+0x21/0x2b
: [<ffffffff8122a80c>] kobject_get+0x17/0x1f
: [<ffffffff812e2a0f>] get_device+0x19/0x1f
: [<ffffffff812ebc7e>] dpm_resume_end+0x1c9/0x31e
: [<ffffffff81086ff0>] suspend_devices_and_enter+0x192/0x1cc
: [<ffffffff8108710a>] enter_state+0xe0/0x137
: [<ffffffff81086792>] state_store+0xaf/0xc5
: [<ffffffff8122a4f7>] kobj_attr_store+0x17/0x19
: [<ffffffff811793f9>] sysfs_write_file+0x111/0x14d
: [<ffffffff8112183d>] vfs_write+0xac/0xf3
: [<ffffffff81121a2c>] sys_write+0x4a/0x6e
: [<ffffffff81009bc2>] system_call_fastpath+0x16/0x1b

kernel_tainted_long:
:Taint on warning.
:Working around severe firmware bug.
Comment 1 Emre 2011-07-28 19:39:22 UTC 
Package: kernel
Architecture: x86_64
OS Release: Fedora release 15 (Lovelock)

Comment
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Comment 2 mhaitham 2011-07-31 04:42:28 UTC 
Looks like a similar bug to the one I am suffering from, see https://bugzilla.redhat.com/show_bug.cgi?id=708460

When does yours happen? is it related to suspend-wake up cycles?
Comment 3 Dave Jones 2011-09-01 16:26:27 UTC 
Does this still happen with the 2.6.40.3 updates ?