Description of problem: Disconnecting internet connection using bluetooth modem Additional info: WARNING: at kernel/workqueue.c:602 get_work_pool+0x114/0x130() Hardware name: Latitude E5400 Modules linked in: ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc ebtable_nat xt_CHECKSUM bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6table_nat nf_nat_ipv6 ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables rfcomm bnep rndis_wlan rndis_host cdc_ether usbnet cfg80211 mii btusb bluetooth rfkill fuse cdc_acm acpi_cpufreq snd_hda_codec_hdmi snd_hda_codec_idt mperf snd_hda_intel coretemp snd_hda_codec snd_hwdep snd_seq snd_seq_device sdhci_pci iTCO_wdt dell_wmi iTCO_vendor_support sparse_keymap sdhci lpc_ich dell_laptop mmc_core tpm_tis snd_pcm tg3 microcode snd_page_alloc dcdbas i2c_i801 tpm snd_timer ptp joydev tpm_bios mfd_core pps_core snd soundcore wmi vhost_net tun macvtap macvlan nfsd auth_rpcgss nfs_acl lockd kvm_intel sunrpc kvm binfmt_misc dm_crypt firewire_ohci yenta_socket firewire_core i915 crc_itu_t i2c_algo_bit drm_kms_helper drm i2c_core video uinput Pid: 3357, comm: pppd Not tainted 3.9.0-0.rc3.git0.5.fc20.i686.PAE #1 Call Trace: [<c045573c>] warn_slowpath_common+0x6c/0xa0 [<c04744c4>] ? get_work_pool+0x114/0x130 [<c04744c4>] ? get_work_pool+0x114/0x130 [<c0455812>] warn_slowpath_null+0x22/0x30 [<c04744c4>] get_work_pool+0x114/0x130 [<c0475c87>] try_to_grab_pending+0x47/0x150 [<c0475e4e>] __cancel_work_timer+0x1e/0xd0 [<c0475f0f>] cancel_work_sync+0xf/0x20 [<c07af7cb>] tty_ldisc_halt+0x1b/0x20 [<c07b0393>] tty_ldisc_release+0x13/0x80 [<c07a9c6c>] tty_release+0x39c/0x4b0 [<c067f521>] ? avc_has_perm_flags+0x141/0x310 [<c058c4bc>] ? file_sb_list_del+0x1c/0x40 [<c058be8a>] __fput+0xda/0x290 [<c058c0dd>] ____fput+0xd/0x10 [<c0478ca1>] task_work_run+0x81/0xb0 [<c04173f9>] do_notify_resume+0x59/0x90 [<c0a4f056>] work_notifysig+0x35/0x3b
Created attachment 715463 [details] File: dmesg
Are you still seeing this with 3.9 final, or the 3.10-rc1 kernels?
I still have that same problem with 3.9.4.300: May 28 15:01:00 491-0859 NetworkManager[970]: <warn> (ppp0) firewall zone remove failed: (32) UNKNOWN_INTERFACE: ppp0 May 28 15:01:00 491-0859 dbus-daemon[885]: modem-manager[1231]: <info> (rfcomm0) closing serial port... May 28 15:01:00 491-0859 dbus-daemon[885]: modem-manager[1231]: <info> (rfcomm0) serial port closed May 28 15:01:00 491-0859 modem-manager[1231]: <info> (rfcomm0) closing serial port... May 28 15:01:00 491-0859 modem-manager[1231]: <info> (rfcomm0) serial port closed May 28 15:01:01 491-0859 upowerd[1519]: (upowerd:1519): UPower-Linux-WARNING **: unhandled action 'move' on /sys/devices/virtual/tty/rfcomm0 May 28 15:01:01 491-0859 dbus-daemon[885]: modem-manager[1231]: <info> (tty/rfcomm0): released by modem /sys/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.3 May 28 15:01:01 491-0859 dbus-daemon[885]: modem-manager[1231]: <info> Modem /org/freedesktop/ModemManager/Modems/0: state changed (disconnecting -> disabled) May 28 15:01:01 491-0859 modem-manager[1231]: <info> (tty/rfcomm0): released by modem /sys/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2.3 May 28 15:01:01 491-0859 modem-manager[1231]: <info> Modem /org/freedesktop/ModemManager/Modems/0: state changed (disconnecting -> disabled) May 28 15:01:01 491-0859 kernel: [21006.253333] ------------[ cut here ]------------ May 28 15:01:01 491-0859 kernel: [21006.253341] WARNING: at kernel/workqueue.c:602 get_work_pool+0x6c/0x80() May 28 15:01:01 491-0859 kernel: [21006.253343] Hardware name: Latitude E5400 May 28 15:01:01 491-0859 kernel: [21006.253345] Modules linked in: ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc nls_utf8 udf ses enclosure usb_storage tcp_lp ebtable_nat xt_CHECKSUM tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6table_nat nf_nat_ipv6 ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat rfcomm iptable_mangle bnep nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables fuse btusb bluetooth iTCO_wdt iTCO_vendor_support dell_wmi sparse_keymap dell_laptop dcdbas snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep acpi_cpufreq mperf coretemp kvm_intel kvm snd_seq snd_seq_device snd_pcm microcode lib80211_crypt_tkip joydev i2c_i801 lpc_ich mfd_core sdhci_pci sdhci mmc_core wl(POF) snd_page_alloc snd_timer cfg80211 snd soundcore rfkill lib80211 tg3 ptp pps_core wmi tpm_tis tpm tpm_bios nfsd auth_rpcgss nfs_acl lockd sunrpc binfmt_misc uinput dm_crypt firewire_ohci firewire_core crc_itu_t i915 yenta_socket i2c_algo_bit drm_kms_helper drm i2c_core video May 28 15:01:01 491-0859 kernel: [21006.253417] Pid: 8763, comm: pppd Tainted: PF O 3.9.4-300.fc19.i686.PAE #1 May 28 15:01:01 491-0859 kernel: [21006.253419] Call Trace: May 28 15:01:01 491-0859 kernel: [21006.253424] [<c0440029>] ? lookup_address+0x19/0xc0 May 28 15:01:01 491-0859 kernel: [21006.253428] [<c044cd93>] warn_slowpath_common+0x63/0x80 May 28 15:01:01 491-0859 kernel: [21006.253431] [<c04658ec>] ? get_work_pool+0x6c/0x80 May 28 15:01:01 491-0859 kernel: [21006.253434] [<c04658ec>] ? get_work_pool+0x6c/0x80 May 28 15:01:01 491-0859 kernel: [21006.253436] [<c044ce52>] warn_slowpath_null+0x22/0x30 May 28 15:01:01 491-0859 kernel: [21006.253439] [<c04658ec>] get_work_pool+0x6c/0x80 May 28 15:01:01 491-0859 kernel: [21006.253442] [<c04681dc>] flush_work+0x1c/0x100 May 28 15:01:01 491-0859 kernel: [21006.253450] [<f85f9546>] ? rfcomm_dev_destruct+0x76/0xb0 [rfcomm] May 28 15:01:01 491-0859 kernel: [21006.253453] [<c046831c>] __cancel_work_timer+0x5c/0x90 May 28 15:01:01 491-0859 kernel: [21006.253456] [<c046835f>] cancel_work_sync+0xf/0x20 May 28 15:01:01 491-0859 kernel: [21006.253461] [<c07385db>] tty_ldisc_halt+0x1b/0x20 May 28 15:01:01 491-0859 kernel: [21006.253464] [<c0739183>] tty_ldisc_release+0x13/0x80 May 28 15:01:01 491-0859 kernel: [21006.253466] [<c0732d09>] tty_release+0x389/0x490 May 28 15:01:01 491-0859 kernel: [21006.253471] [<c063360a>] ? inode_has_perm.isra.32.constprop.62+0x3a/0x50 May 28 15:01:01 491-0859 kernel: [21006.253476] [<c05573b3>] __fput+0xc3/0x1f0 May 28 15:01:01 491-0859 kernel: [21006.253479] [<c055757d>] ____fput+0xd/0x10 May 28 15:01:01 491-0859 kernel: [21006.253482] [<c0469639>] task_work_run+0x79/0xb0 May 28 15:01:01 491-0859 kernel: [21006.253486] [<c0411f79>] do_notify_resume+0x59/0x90 May 28 15:01:01 491-0859 kernel: [21006.253490] [<c0993a01>] work_notifysig+0x30/0x37 May 28 15:01:01 491-0859 kernel: [21006.253492] ---[ end trace 263b1cd92236c429 ]---
Additionally, this bug affects in whole system unresponsiveness
This bug appears to have been reported against 'rawhide' during the Fedora 20 development cycle. Changing version to '20'. More information and reason for this action is here: https://fedoraproject.org/wiki/BugZappers/HouseKeeping/Fedora20
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs. Fedora 20 has now been rebased to 3.13.4-200.fc20. Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel. If you experience different issues, please open a new bug report for those.
*********** MASS BUG UPDATE ************** This bug has been in a needinfo state for several weeks and is being closed with insufficient data due to inactivity. If this is still an issue with Fedora 20, please feel free to reopen the bug and provide the additional information requested.