Description of problem: Kernel Oops: http://www.kerneloops.org/submitresult.php?number=102979 Was trying to print on an "unconnected" parallel port printer. Kernel failure message 1: ------------[ cut here ]------------ WARNING: at kernel/sysctl.c:1967 unregister_sysctl_table+0xc0/0xf7() (Not tainted) Modules linked in: i915 drm rfcomm sco bridge stp bnep l2cap sunrpc nf_conntrack_netbios_ns ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 cpufreq_ondemand acpi_cpufreq freq_table fuse dm_multipath kvm_intel kvm uinput snd_hda_intel snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device arc4 ecb snd_pcm_oss snd_mixer_oss snd_pcm iwlagn snd_timer snd_page_alloc snd_hwdep iwlcore snd ppdev i2c_i801 sdhci_pci btusb usblp sdhci soundcore e1000e mac80211 firewire_ohci thinkpad_acpi parport_pc i2c_core iTCO_wdt mmc_core firewire_core video yenta_socket parport rfkill rsrc_nonstatic battery ac pcspkr iTCO_vendor_support output bluetooth hwmon crc_itu_t cfg80211 joydev sha256_generic cbc aes_x86_64 aes_generic dm_crypt crypto_blkcipher [last unloaded: microcode] Pid: 4045, comm: hp Not tainted 2.6.27.5-120.fc10.x86_64 #1 Call Trace: [<ffffffff810418f2>] warn_on_slowpath+0x60/0x90 [<ffffffff81331fe4>] ? _spin_unlock_irqrestore+0x27/0x3e [<ffffffff81041e93>] ? release_console_sem+0x1d0/0x1dc [<ffffffff81298886>] ? sock_destroy_inode+0x14/0x16 [<ffffffff81048686>] ? unregister_sysctl_table+0xdf/0xf7 [<ffffffff81048686>] ? unregister_sysctl_table+0xdf/0xf7 [<ffffffff81048667>] unregister_sysctl_table+0xc0/0xf7 [<ffffffff810b9c04>] ? __slab_free+0x83/0x28e [<ffffffffa01681e2>] ? pp_release+0x15e/0x168 [ppdev] [<ffffffff8113f44f>] ? selinux_file_free_security+0x1e/0x20 [<ffffffffa007a7f0>] parport_device_proc_unregister+0x28/0x36 [parport] [<ffffffffa0078ac9>] parport_unregister_device+0xf/0x12c [parport] [<ffffffffa01681b9>] pp_release+0x135/0x168 [ppdev] [<ffffffff810c0d7f>] __fput+0xca/0x16d [<ffffffff810c0e37>] fput+0x15/0x17 [<ffffffff810be2e1>] filp_close+0x67/0x72 [<ffffffff8104328c>] put_files_struct+0x74/0xc8 [<ffffffff81043328>] exit_files+0x48/0x51 [<ffffffff81044c89>] do_exit+0x26a/0x8a0 [<ffffffff81298f8e>] ? __sock_sendmsg+0x59/0x62 [<ffffffff812998ce>] ? sock_sendmsg+0xc7/0xe0 [<ffffffff81045341>] do_group_exit+0x82/0xaf [<ffffffff8104e70e>] get_signal_to_deliver+0x2b0/0x2dc [<ffffffff81010349>] ? sysret_signal+0x42/0x71 [<ffffffff8100f42f>] do_notify_resume+0x90/0x93f [<ffffffff8133050e>] ? thread_return+0xab/0xd9 [<ffffffff81332119>] ? _spin_lock_irqsave+0x2a/0x33 [<ffffffff8105a18b>] ? getnstimeofday+0x3a/0x96 [<ffffffff8105819e>] ? ktime_get_ts+0x49/0x4e [<ffffffff810581b4>] ? ktime_get+0x11/0x42 [<ffffffff81057840>] ? update_rmtp+0x4c/0x61 [<ffffffff8105807e>] ? hrtimer_nanosleep+0x8b/0xdd [<ffffffff81057855>] ? hrtimer_wakeup+0x0/0x21 [<ffffffff810c71b3>] ? path_put+0x1d/0x21 [<ffffffff81010349>] ? sysret_signal+0x42/0x71 [<ffffffff81010707>] ptregscall_common+0x67/0xb0 ---[ end trace 33121fe5eba9137c ]--- Here are the entries in /var/log/messages just before this: Nov 19 09:10:26 tlondon parport0: io/hpmud/pp.c 627: unable to read device-id ret=-1 Nov 19 09:10:26 tlondon parport0: prnt/backend/hp.c 675: INFO: open device failed; will retry in 30 seconds... Nov 19 09:10:45 tlondon kernel: usblp0: removed Nov 19 09:10:47 tlondon python: hp-makeuri[4083]: warning: hp-makeuri should not be run as root. Nov 19 09:10:56 tlondon parport0: io/hpmud/pp.c 627: unable to read device-id ret=-1 Nov 19 09:10:56 tlondon parport0: prnt/backend/hp.c 675: INFO: open device failed; will retry in 30 seconds... Nov 19 09:11:27 tlondon parport0: io/hpmud/pp.c 627: unable to read device-id ret=-1 Nov 19 09:11:27 tlondon parport0: prnt/backend/hp.c 675: INFO: open device failed; will retry in 30 seconds... Nov 19 09:11:54 tlondon kernel: ------------[ cut here ]------------ Version-Release number of selected component (if applicable): kernel-2.6.27.5-120.fc10.x86_64 How reproducible: Don't know Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
This bug appears to have been reported against 'rawhide' during the Fedora 10 development cycle. Changing version to '10'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Get this with kernel-2.6.27.7-130.fc10.x86_64 when I attempt to modify printer settings via CUPS/browser interface (i.e., https://localhost:631). Nov 30 09:01:02 tlondon kernel: ------------[ cut here ]------------ Nov 30 09:01:02 tlondon kernel: WARNING: at kernel/sysctl.c:1967 unregister_sysctl_table+0xc0/0xf7() (Not tainted) Nov 30 09:01:02 tlondon kernel: Modules linked in: lp i915 drm sco bridge stp bnep l2cap bluetooth sunrpc nf_conntrack_netbios_ns ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 cpufreq_ondemand acpi_cpufreq freq_table fuse dm_multipath kvm_intel kvm uinput snd_hda_intel arc4 snd_seq_dummy snd_seq_oss ecb snd_seq_midi_event snd_seq iwlagn snd_seq_device iwlcore snd_pcm_oss snd_mixer_oss mac80211 snd_pcm snd_timer snd_page_alloc sdhci_pci ppdev thinkpad_acpi sdhci snd_hwdep iTCO_wdt e1000e video firewire_ohci snd cfg80211 iTCO_vendor_support parport_pc output firewire_core i2c_i801 mmc_core parport yenta_socket crc_itu_t rfkill soundcore rsrc_nonstatic i2c_core hwmon pcspkr battery ac sha256_generic cbc aes_x86_64 aes_generic dm_crypt crypto_blkcipher [last unloaded: microcode] Nov 30 09:01:02 tlondon kernel: Pid: 3511, comm: python Not tainted 2.6.27.7-130.fc10.x86_64 #1 Nov 30 09:01:02 tlondon kernel: Nov 30 09:01:02 tlondon kernel: Call Trace: Nov 30 09:01:02 tlondon kernel: [<ffffffff810418f2>] warn_on_slowpath+0x60/0x90 Nov 30 09:01:02 tlondon kernel: [<ffffffff810933a2>] ? __pagevec_free+0x29/0x3d Nov 30 09:01:02 tlondon kernel: [<ffffffff8113e9e3>] ? avc_has_perm+0x4e/0x60 Nov 30 09:01:02 tlondon kernel: [<ffffffffa0065221>] ? parport_wait_peripheral+0x46/0x107 [parport] Nov 30 09:01:02 tlondon kernel: [<ffffffff81048667>] unregister_sysctl_table+0xc0/0xf7 Nov 30 09:01:02 tlondon kernel: [<ffffffff8133269c>] ? unlock_kernel+0x2f/0x32 Nov 30 09:01:02 tlondon kernel: [<ffffffffa011da20>] ? pp_ioctl+0x7ad/0x7bf [ppdev] Nov 30 09:01:02 tlondon kernel: [<ffffffffa00667f0>] parport_device_proc_unregister+0x28/0x36 [parport] Nov 30 09:01:02 tlondon kernel: [<ffffffffa0064ac9>] parport_unregister_device+0xf/0x12c [parport] Nov 30 09:01:02 tlondon kernel: [<ffffffffa011d1b9>] pp_release+0x135/0x168 [ppdev] Nov 30 09:01:02 tlondon kernel: [<ffffffff810c0fc7>] __fput+0xca/0x16d Nov 30 09:01:02 tlondon kernel: [<ffffffff810c107f>] fput+0x15/0x17 Nov 30 09:01:02 tlondon kernel: [<ffffffff810be529>] filp_close+0x67/0x72 Nov 30 09:01:02 tlondon kernel: [<ffffffff810be5e1>] sys_close+0xad/0xf0 Nov 30 09:01:02 tlondon kernel: [<ffffffff8101024a>] system_call_fastpath+0x16/0x1b Nov 30 09:01:02 tlondon kernel: Nov 30 09:01:02 tlondon kernel: ---[ end trace 0e22d177d447cbf1 ]--- Nov 30 09:01:02 tlondon setroubleshoot: SELinux is preventing hpfax (hplip_t) "read write" to anon_inode (anon_inodefs_t). For complete SELinux messages. run sealert -l 221be31e-530b-4c72-92d2-323a017c9fc9 Nov 30 09:01:14 tlondon kerneloops: Submitted 1 kernel oopses to www.kerneloops.org
*** This bug has been marked as a duplicate of bug 518939 ***