[Bug 1716207] Re: WARNING: CPU: 0 PID: 0 at linux-hwe-4.10.0/net/ipv4/tcp_input.c:2241 tcp_mark_head_lost+0x1da/0x2d0
** Description changed: Got this warning a few days after upgrading my Ubuntu 16.04.3 LTS server from 4.4 to 4.10.0-33 (linux-hwe), and applying "bbr" as congestion control. I'm using the following non-default kernel parameters: net.core.somaxconn = 512 net.core.default_qdisc = fq net.ipv4.tcp_congestion_control = bbr net.ipv4.tcp_slow_start_after_idle = 0 net.ipv4.tcp_mtu_probing = 1 net.core.rmem_max = 67108864 net.core.wmem_max = 67108864 net.ipv4.tcp_rmem = 4096 87380 33554432 net.ipv4.tcp_wmem = 4096 65536 33554432 NIC: HP CN1000E 10GbE + # ethtool -k enp4s0f0 + Features for enp4s0f0: + rx-checksumming: on + tx-checksumming: on + tx-checksum-ipv4: on + tx-checksum-ip-generic: off [fixed] + tx-checksum-ipv6: on + tx-checksum-fcoe-crc: off [fixed] + tx-checksum-sctp: off [fixed] + scatter-gather: on + tx-scatter-gather: on + tx-scatter-gather-fraglist: off [fixed] + tcp-segmentation-offload: on + tx-tcp-segmentation: on + tx-tcp-ecn-segmentation: off [fixed] + tx-tcp-mangleid-segmentation: off + tx-tcp6-segmentation: on + udp-fragmentation-offload: off [fixed] + generic-segmentation-offload: on + generic-receive-offload: on + large-receive-offload: off [fixed] + rx-vlan-offload: on [fixed] + tx-vlan-offload: on + ntuple-filters: off [fixed] + receive-hashing: on + highdma: on [fixed] + rx-vlan-filter: on [fixed] + vlan-challenged: off [fixed] + tx-lockless: off [fixed] + netns-local: off [fixed] + tx-gso-robust: off [fixed] + tx-fcoe-segmentation: off [fixed] + tx-gre-segmentation: off [fixed] + tx-gre-csum-segmentation: off [fixed] + tx-ipxip4-segmentation: off [fixed] + tx-ipxip6-segmentation: off [fixed] + tx-udp_tnl-segmentation: off [fixed] + tx-udp_tnl-csum-segmentation: off [fixed] + tx-gso-partial: off [fixed] + tx-sctp-segmentation: off [fixed] + fcoe-mtu: off [fixed] + tx-nocache-copy: off + loopback: off [fixed] + rx-fcs: off [fixed] + rx-all: off [fixed] + tx-vlan-stag-hw-insert: off [fixed] + rx-vlan-stag-hw-parse: off [fixed] + rx-vlan-stag-filter: off [fixed] + l2-fwd-offload: off [fixed] + busy-poll: on [fixed] + hw-tc-offload: off [fixed] + Warning in kernel ring buffer: [200448.082342] [ cut here ] [200448.082360] WARNING: CPU: 0 PID: 0 at /build/linux-hwe-YA6IuF/linux-hwe-4.10.0/net/ipv4/tcp_input.c:2241 tcp_mark_head_lost+0x1da/0x2d0 [200448.082362] Modules linked in: binfmt_misc ses enclosure bonding intel_rapl sb_edac ipmi_ssif edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass mei_me cdc_ether shpchp usbnet intel_cstate intel_rapl_perf mii mei ipmi_si input_leds joydev ipmi_devintf ipmi_msghandler lpc_ich mac_hid acpi_power_meter acpi_pad sch_fq tcp_bbr ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi coretemp autofs4 btrfs raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c mgag200 i2c_algo_bit ttm crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea pcbc mpt3sas hid_generic sysfillrect sysimgblt aesni_intel fb_sys_fops tg3 raid_class usbhid aes_x86_64 lpfc crypto_simd [200448.082411] glue_helper ptp scsi_transport_sas megaraid_sas drm hid be2net scsi_transport_fc cryptd pps_core wmi fjes [200448.082420] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.10.0-33-generic #37~16.04.1-Ubuntu [200448.082421] Hardware name: Google Inc Google Search Appliance/0JP31P, BIOS 2.5.4 01/22/2016 [200448.082423] Call Trace: [200448.082424] [200448.082429] dump_stack+0x63/0x90 [200448.082431] __warn+0xcb/0xf0 [200448.082433] warn_slowpath_null+0x1d/0x20 [200448.082434] tcp_mark_head_lost+0x1da/0x2d0 [200448.082436] tcp_update_scoreboard+0x68/0x70 [200448.082438] tcp_fastretrans_alert+0x72c/0xb20 [200448.082439] tcp_ack+0x4d8/0xa60 [200448.082441] tcp_rcv_established+0x1bc/0x700 [200448.082444] ? sk_filter_trim_cap+0x47/0x170 [200448.082446] tcp_v4_do_rcv+0x145/0x200 [200448.082447] tcp_v4_rcv+0x9bb/0xa40 [200448.082450] ? tcp_v6_rcv+0x8e3/0x960 [200448.082452] ip_local_deliver_finish+0x94/0x1e0 [200448.082453] ip_local_deliver+0x6f/0xe0 [200448.082455] ? tcp_v4_early_demux+0x13a/0x150 [200448.082456] ip_rcv_finish+0x11b/0x400 [200448.082457] ip_rcv+0x28b/0x3a0 [200448.082461] __netif_receive_skb_core+0x51e/0xa70 [200448.082463] ? free_compound_page+0x1b/0x20 [200448.082465] ? __put_compound_page+0x2b/0x30 [200448.082467] __netif_receive_skb+0x18/0x60 [200448.082468] netif_receive_skb_internal+0x32/0xa0 [200448.082470] napi_gro_frags+0xdb/0x210 [200448.082476] be_process_rx+0x2f3/0x990 [be2net] [200448.082478] ? consume_skb+0x34/0x90 [200448.082482] be_poll+0x1f2/0x490 [be2net] [200448.082484] net_rx_action+0x23e/0x390 [200448.082486] __do_softirq+0xed/0x297 [200448.082488]
[Bug 1716207] [NEW] WARNING: CPU: 0 PID: 0 at linux-hwe-4.10.0/net/ipv4/tcp_input.c:2241 tcp_mark_head_lost+0x1da/0x2d0
Public bug reported: Got this warning a few days after upgrading my Ubuntu 16.04.3 LTS server from 4.4 to 4.10.0-33 (linux-hwe), and applying "bbr" as congestion control. I'm using the following non-default kernel parameters: net.core.somaxconn = 512 net.core.default_qdisc = fq net.ipv4.tcp_congestion_control = bbr net.ipv4.tcp_slow_start_after_idle = 0 net.ipv4.tcp_mtu_probing = 1 net.core.rmem_max = 67108864 net.core.wmem_max = 67108864 net.ipv4.tcp_rmem = 4096 87380 33554432 net.ipv4.tcp_wmem = 4096 65536 33554432 NIC: HP CN1000E 10GbE Warning in kernel ring buffer: [200448.082342] [ cut here ] [200448.082360] WARNING: CPU: 0 PID: 0 at /build/linux-hwe-YA6IuF/linux-hwe-4.10.0/net/ipv4/tcp_input.c:2241 tcp_mark_head_lost+0x1da/0x2d0 [200448.082362] Modules linked in: binfmt_misc ses enclosure bonding intel_rapl sb_edac ipmi_ssif edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass mei_me cdc_ether shpchp usbnet intel_cstate intel_rapl_perf mii mei ipmi_si input_leds joydev ipmi_devintf ipmi_msghandler lpc_ich mac_hid acpi_power_meter acpi_pad sch_fq tcp_bbr ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi coretemp autofs4 btrfs raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c mgag200 i2c_algo_bit ttm crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea pcbc mpt3sas hid_generic sysfillrect sysimgblt aesni_intel fb_sys_fops tg3 raid_class usbhid aes_x86_64 lpfc crypto_simd [200448.082411] glue_helper ptp scsi_transport_sas megaraid_sas drm hid be2net scsi_transport_fc cryptd pps_core wmi fjes [200448.082420] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.10.0-33-generic #37~16.04.1-Ubuntu [200448.082421] Hardware name: Google Inc Google Search Appliance/0JP31P, BIOS 2.5.4 01/22/2016 [200448.082423] Call Trace: [200448.082424] [200448.082429] dump_stack+0x63/0x90 [200448.082431] __warn+0xcb/0xf0 [200448.082433] warn_slowpath_null+0x1d/0x20 [200448.082434] tcp_mark_head_lost+0x1da/0x2d0 [200448.082436] tcp_update_scoreboard+0x68/0x70 [200448.082438] tcp_fastretrans_alert+0x72c/0xb20 [200448.082439] tcp_ack+0x4d8/0xa60 [200448.082441] tcp_rcv_established+0x1bc/0x700 [200448.082444] ? sk_filter_trim_cap+0x47/0x170 [200448.082446] tcp_v4_do_rcv+0x145/0x200 [200448.082447] tcp_v4_rcv+0x9bb/0xa40 [200448.082450] ? tcp_v6_rcv+0x8e3/0x960 [200448.082452] ip_local_deliver_finish+0x94/0x1e0 [200448.082453] ip_local_deliver+0x6f/0xe0 [200448.082455] ? tcp_v4_early_demux+0x13a/0x150 [200448.082456] ip_rcv_finish+0x11b/0x400 [200448.082457] ip_rcv+0x28b/0x3a0 [200448.082461] __netif_receive_skb_core+0x51e/0xa70 [200448.082463] ? free_compound_page+0x1b/0x20 [200448.082465] ? __put_compound_page+0x2b/0x30 [200448.082467] __netif_receive_skb+0x18/0x60 [200448.082468] netif_receive_skb_internal+0x32/0xa0 [200448.082470] napi_gro_frags+0xdb/0x210 [200448.082476] be_process_rx+0x2f3/0x990 [be2net] [200448.082478] ? consume_skb+0x34/0x90 [200448.082482] be_poll+0x1f2/0x490 [be2net] [200448.082484] net_rx_action+0x23e/0x390 [200448.082486] __do_softirq+0xed/0x297 [200448.082488] irq_exit+0xb6/0xc0 [200448.082489] do_IRQ+0x4f/0xd0 [200448.082492] common_interrupt+0x89/0x89 [200448.082494] RIP: 0010:poll_idle+0x2e/0x5c [200448.082495] RSP: 0018:91c03dd0 EFLAGS: 0246 ORIG_RAX: ff47 [200448.082499] RAX: 0020 RBX: RCX: 91c10500 [200448.082499] RDX: RSI: 91ce71a0 RDI: 932d4f822c30 [200448.082500] RBP: 91c03dd0 R08: 0001 R09: 0006 [200448.082501] R10: 000f R11: 002c R12: 91ce71a0 [200448.082502] R13: 932d4f822c30 R14: 91ce71b8 R15: b64e73d8d3b9 [200448.082502] [200448.082507] cpuidle_enter_state+0xfa/0x2d0 [200448.082508] cpuidle_enter+0x17/0x20 [200448.082511] call_cpuidle+0x23/0x40 [200448.082513] do_idle+0x17f/0x1f0 [200448.082514] cpu_startup_entry+0x71/0x80 [200448.082517] rest_init+0x77/0x80 [200448.082521] start_kernel+0x482/0x4a3 [200448.082523] ? early_idt_handler_array+0x120/0x120 [200448.082524] x86_64_start_reservations+0x24/0x26 [200448.082526] x86_64_start_kernel+0x143/0x166 [200448.082528] start_cpu+0x14/0x14 [200448.082531] ---[ end trace bbcdea131d7e5d8d ]--- [200448.082539] [ cut here ] Followed by 15 similar warnings. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.10.0-33-generic 4.10.0-33.37~16.04.1 ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17 Uname: Linux 4.10.0-33-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 Date: Sun Sep 10 09:58:23 2017 InstallationDate: Installed on 2017-07-16 (55 days ago) InstallationMedia: Ubuntu-Server 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.8) ProcEnviron:
[Bug 1689555] Re: Scrolling + "Terminal bell" crashes pulseaudio
How do i get a stack trace from pulseaudio? I can't find it in /var/log/* nor in /var/crash/*. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1689555 Title: Scrolling + "Terminal bell" crashes pulseaudio To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1689555/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1689555] [NEW] Scrolling + "Terminal bell" crashes pulseaudio
Public bug reported: If "Terminal bell" is enabled (in "Profile Preferences" > "General"), and I scroll fast in the output of e.g less to cause the "alert sound" to be played repeatably very fast, pulseaudio crashes. >From /var/log/syslog: May 9 15:05:13 ubuntu-laptop indicator-sound[2948]: volume-control-pulse.vala:735: unable to get pulse unix socket: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.PulseAudio1 was not provided by any .service files May 9 15:05:15 ubuntu-laptop indicator-sound[2948]: volume-control-pulse.vala:735: unable to get pulse unix socket: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.PulseAudio1 was not provided by any .service files May 9 15:05:16 ubuntu-laptop unity-settings-[2940]: Unable to get default sink May 9 15:05:16 ubuntu-laptop unity-settings-[2940]: Unable to get default source May 9 15:05:16 ubuntu-laptop unity-settings-[2940]: Failed to connect context: Connection refused May 9 15:05:16 ubuntu-laptop unity-control-c[5557]: Failed to connect context: Connection refused May 9 15:05:16 ubuntu-laptop unity-control-c[5557]: Unable to find stream for bar '(null)' May 9 15:05:17 ubuntu-laptop indicator-sound[2948]: volume-control-pulse.vala:735: unable to get pulse unix socket: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.PulseAudio1 was not provided by any .service files May 9 15:06:01 ubuntu-laptop indicator-sound[2948]: message repeated 22 times: [ volume-control-pulse.vala:735: unable to get pulse unix socket: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.PulseAudio1 was not provided by any .service files] ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: gnome-terminal 3.20.2-1ubuntu8 ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8 Uname: Linux 4.10.0-20-generic x86_64 ApportVersion: 2.20.4-0ubuntu4 Architecture: amd64 CurrentDesktop: Unity:Unity7 Date: Tue May 9 14:58:51 2017 InstallationDate: Installed on 2017-05-01 (7 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) SourcePackage: gnome-terminal UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: gnome-terminal (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug zesty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1689555 Title: Scrolling + "Terminal bell" crashes pulseaudio To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/1689555/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1583858] Re: I can't do apt update
*** This bug is a duplicate of bug 1579712 *** https://bugs.launchpad.net/bugs/1579712 ** This bug is no longer a duplicate of bug 1583862 apt-get update hangs after hit/get ** This bug has been marked a duplicate of bug 1579712 Refresh hangs indefinitely, appstreamcli using 100% CPU -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1583858 Title: I can't do apt update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1583858/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1583854] Re: Update manager gets stuck while searching for updates
*** This bug is a duplicate of bug 1579712 *** https://bugs.launchpad.net/bugs/1579712 ** This bug is no longer a duplicate of bug 1583862 apt-get update hangs after hit/get ** This bug has been marked a duplicate of bug 1579712 Refresh hangs indefinitely, appstreamcli using 100% CPU -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1583854 Title: Update manager gets stuck while searching for updates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1583854/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1583862] Re: apt-get update hangs after hit/get
*** This bug is a duplicate of bug 1579712 *** https://bugs.launchpad.net/bugs/1579712 ** This bug has been marked a duplicate of bug 1579712 Refresh hangs indefinitely, appstreamcli using 100% CPU -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1583862 Title: apt-get update hangs after hit/get To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/appstream/+bug/1583862/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1510344] Re: Keyboard Backlight Turns on at boot
This workaround worked for me on a Dell Latitude E5530 running Ubuntu 16.04. In the file: /etc/dbus-1/system.d/org.freedesktop.UPower.conf change: to: and reboot. Source: https://askubuntu.com/questions/700069/keyboard-backlight-turns-on-after-lock-screen-display-on -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1510344 Title: Keyboard Backlight Turns on at boot To manage notifications about this bug go to: https://bugs.launchpad.net/dell-sputnik/+bug/1510344/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
