search for: sch_gener

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2019 Jun 24
2
Strange Network Bug Locks Up CentOS 7 Laptop
...g CentOS 7, latest kernel. This morning he had two lockup incidents. Nothing in /var/log/messages stands out so far, but did get this information when running 'abrt-cli list --since 1560891312': id c48278a875c27dd4369d971bcfc7db4267766c6d reason: WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:356 dev_watchdog+0x248/0x260 time: Thu 23 May 2019 07:12:57 PM EDT cmdline: BOOT_IMAGE=/vmlinuz-3.10.0-957.12.1.el7.x86_64 root=/dev/mapper/SysVG00-ROOT ro crashkernel=auto rd.lvm.lv=SysVG00/ROOT rd.luks.uuid=luks-29590e52-c08e-4c11-a784-cf2f3ffd98b2 rd.lvm.lv=SysVG00/SWAP rhgb...
2007 Apr 05
3
IMQ patch
Hi there, -- Christian Lyra PoP-PR/RNP _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
2019 Jun 24
0
Strange Network Bug Locks Up CentOS 7 Laptop
...t; This morning he had two lockup incidents. Nothing in /var/log/messages > stands out so far, but did get this information when running 'abrt-cli > list --since 1560891312': > > id c48278a875c27dd4369d971bcfc7db4267766c6d reason: WARNING: CPU: > 0 PID: 0 at net/sched/sch_generic.c:356 dev_watchdog+0x248/0x260 time: > Thu 23 May 2019 07:12:57 PM EDT > cmdline: BOOT_IMAGE=/vmlinuz-3.10.0-957.12.1.el7.x86_64 > root=/dev/mapper/SysVG00-ROOT ro crashkernel=auto rd.lvm.lv=SysVG00/ROOT > rd.luks.uuid=luks-29590e52-c08e-4c11-a784-cf2f3ffd98b2 > rd.lvm.lv=Sy...
2016 Feb 19
2
Network hangs after several hours (Centos 6 recently upgraded kernel/glibc)
...moving to production. Googling, I see there is some history of e100e driver having issues, and I'm wondering if it could be related. Does anyone have any thoughts on where to do with it, as I'm assuming it will hang again later. Thanks, Ian Feb 18 05:04:36 kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted) Feb 18 05:04:36 kernel: Hardware name: X9SCL/X9SCM Feb 18 05:04:36 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed out Feb 18 05:04:36 kernel: Modules linked in: ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6tab...
2005 Mar 30
5
netem with prio hangs on duplicate
hi i tried the example given on the examples page to duplicate selected traffic like tc qdisc add dev eth0 root handle 1: prio tc qdisc add dev eth0 parent 1:3 handle 3: netem duplicate 40% tc filter add dev eth0 protocol ip parent 1:0 prio 3 u32 match ip dst 11.0.2.2 flowid 1:3 when i ping from 11.0.2.2 to this interface my machine hangs. the same thing works for drop or delay. i would
2006 Apr 16
9
how to do probabilistic packet loss in kernel?
Hi, I am using iproute2 to setup fowarding, adding routes like "ip route add 192.168.1.3 via 192.168.1.2" I was wondering where in the kernel I can insert probabilistic packet loss only for forwarded packets? So that for instance I can drop 5% of all forwarded packets? I don''t need help with the actual code, just need help finding where to insert this code :) Thanks! George
2012 Oct 03
1
PCI Passthrough of NIC
...04.816233] next_to_watch <0> [ 104.816235] jiffies <ffff4164> [ 104.816237] next_to_watch.status <0> [ 106.816079] ------------[ cut here ]------------ [ 106.816122] WARNING: at /build/buildd-linux-2.6_2.6.32-45-amd64-FcX7RM/linux-2.6-2.6.32/debian/build/source_amd64_xen/net/sched/sch_generic.c:261 dev_watchdog+0xe2/0x194() [ 106.816141] NETDEV WATCHDOG: eth2 (e1000): transmit queue 0 timed out [ 106.816149] Modules linked in: snd_pcm evdev snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod e1000 xen_netfront xen_blkfront [ 106.816194] Pid: 0, comm: swapper Tainted:...
2016 Feb 19
3
Network hangs after several hours (Centos 6 recently upgraded kernel/glibc)
...river having >> issues, and I'm wondering if it could be related. >> >> Does anyone have any thoughts on where to do with it, as I'm >> assuming it will hang again later. >> >> Thanks, Ian >> >> Feb 18 05:04:36 kernel: WARNING: at net/sched/sch_generic.c:261 >> dev_watchdog+0x26d/0x280() (Not tainted) >> Feb 18 05:04:36 kernel: Hardware name: X9SCL/X9SCM >> Feb 18 05:04:36 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit >> queue 0 timed out >> Feb 18 05:04:36 kernel: Modules linked in: ip6t_REJECT >> nf_conn...
2005 Mar 22
1
Mechanism for Enqueue and Dequeue?
I''ve been reading the Linux Advanced Routing & Traffic Control Howto and it''s well put together but I''ve a few questions about the mechanism. I dont'' think that I''d have any questions if I just wanted to know how to configure the Shaping method but I''m trying to get into the nuts and bolts. Basically I''m trying to find out the
2013 Feb 01
0
Network stopped just out of the blue leaving this backtrace:
...out of the blue leaving this backtrace After this or during this my network switch just stopped working ang got stuck. Maybe the switch made the problem? Thanks, Eliezer Feb 1 04:07:15 localhost kernel: ------------[ cut here ]------------ Feb 1 04:07:15 localhost kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted) Feb 1 04:07:15 localhost kernel: Hardware name: Feb 1 04:07:15 localhost kernel: NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out Feb 1 04:07:15 localhost kernel: Modules linked in: tcp_diag inet_diag bluetooth rfkill bnx2fc fcoe libfcoe...
2016 Feb 19
0
Network hangs after several hours (Centos 6 recently upgraded kernel/glibc)
...ee there is some history of e100e driver having issues, and > I'm wondering if it could be related. > > Does anyone have any thoughts on where to do with it, as I'm assuming it > will hang again later. > > Thanks, Ian > > Feb 18 05:04:36 kernel: WARNING: at net/sched/sch_generic.c:261 > dev_watchdog+0x26d/0x280() (Not tainted) > Feb 18 05:04:36 kernel: Hardware name: X9SCL/X9SCM > Feb 18 05:04:36 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 > timed out > Feb 18 05:04:36 kernel: Modules linked in: ip6t_REJECT nf_conntrack_ipv6 > nf_defrag_ipv...
2011 Sep 23
4
Problems with Intel Ethernet and module e1000e
...reasonable. Howerver the incredible large number of errors is not. Also they don't pile up but simply appear when the device stopped working. In /var/log/messages I get: Sep 23 12:21:09 wader2 kernel: ------------[ cut here ]------------ Sep 23 12:21:09 wader2 kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted) Sep 23 12:21:09 wader2 kernel: Hardware name: X9SCL/X9SCM Sep 23 12:21:09 wader2 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed out Sep 23 12:21:09 wader2 kernel: Modules linked in: tun ebtable_nat ebtables xt_CHECKSUM iptable_mang...
2016 Feb 19
0
Network hangs after several hours (Centos 6 recently upgraded kernel/glibc)
...d I'm wondering if it could be related. > >> > >> Does anyone have any thoughts on where to do with it, as I'm > >> assuming it will hang again later. > >> > >> Thanks, Ian > >> > >> Feb 18 05:04:36 kernel: WARNING: at net/sched/sch_generic.c:261 > >> dev_watchdog+0x26d/0x280() (Not tainted) > >> Feb 18 05:04:36 kernel: Hardware name: X9SCL/X9SCM > >> Feb 18 05:04:36 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit > >> queue 0 timed out > >> Feb 18 05:04:36 kernel: Modules linked in: ip6...
2011 Jun 27
7
bnx2 FTQ issues on 2.6.32 + xen 4.0.1;
...could you let me know? Many thanks. root@xmao # ethtool -i eth0 driver: bridge version: 2.3 firmware-version: N/A bus-info: N/A /var/log/message: 196299 Jun 27 07:36:56 xmao kernel: ------------[ cut here ]------------ 196300 Jun 27 07:36:56 xmao kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x105/0x16a() 196301 Jun 27 07:36:56 xmao kernel: Hardware name: Tecal RH2285 196302 Jun 27 07:36:56 xmao kernel: NETDEV WATCHDOG: peth0 (bnx2): transmit queue 0 timed out 196303 Jun 27 07:36:56 xmao kernel: Modules linked...
2016 Feb 19
2
Network hangs after several hours (Centos 6 recently upgraded kernel/glibc)
...be related. >> >> >> >> Does anyone have any thoughts on where to do with it, as I'm >> >> assuming it will hang again later. >> >> >> >> Thanks, Ian >> >> >> >> Feb 18 05:04:36 kernel: WARNING: at net/sched/sch_generic.c:261 >> >> dev_watchdog+0x26d/0x280() (Not tainted) >> >> Feb 18 05:04:36 kernel: Hardware name: X9SCL/X9SCM >> >> Feb 18 05:04:36 kernel: NETDEV WATCHDOG: eth0 (e1000e): >> >> transmit queue 0 timed out >> >> Feb 18 05:04:36 kernel: Mo...
2012 May 23
0
Reset adapter
...40 mega2 kernel: 8021q: adding VLAN 0 to HW filter on device eth0 May 22 16:52:40 mega2 kernel: bnx2fc: Broadcom NetXtreme II FCoE Driver bnx2fc v1.0.8 (Oct 02, 2011) ... ... ... May 23 00:01:24 mega2 kernel: ------------[ cut here ]------------ May 23 00:01:24 mega2 kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted) May 23 00:01:24 mega2 kernel: Hardware name: X9SCL/X9SCM May 23 00:01:24 mega2 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed out May 23 00:01:24 mega2 kernel: Modules linked in: ipt_REDIRECT xt_conntrack iptable_mangle nf_conntrac...
2012 Jun 20
3
Failing Network card
...problem, and moving eth4 to a different slot on the motherboard would be worthwhile. Any ideas ??? Greg Ennis P.S. Here is the appropriate log entry in the /var/log/message file. Jun 20 03:08:38 Mail kernel: ------------[ cut here ]------------ Jun 20 03:08:38 Mail kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted) Jun 20 03:08:38 Mail kernel: Hardware name: p7-1220 Jun 20 03:08:38 Mail kernel: NETDEV WATCHDOG: eth4 (r8169): transmit queue 0 timed out Jun 20 03:08:38 Mail kernel: Modules linked in: ipt_REDIRECT ipt_LOG xt_limit ebtable_nat ebtables ipt_MASQUERA...
2018 Apr 06
1
[RFC PATCH net-next v5 2/4] net: Introduce generic bypass module
...evice.h> >+#include <linux/ethtool.h> >+#include <linux/module.h> >+#include <linux/slab.h> >+#include <linux/netdevice.h> >+#include <linux/netpoll.h> >+#include <linux/rtnetlink.h> >+#include <linux/if_vlan.h> >+#include <net/sch_generic.h> >+#include <uapi/linux/if_arp.h> >+#include <net/bypass.h> >+ >+static LIST_HEAD(bypass_list); >+ >+static DEFINE_MUTEX(bypass_mutex); Why mutex? Apparently you don't need to sleep while holding a lock. Simple spinlock would do. >+ >+struct bypass_...
2018 Apr 05
0
[RFC PATCH net-next v5 2/4] net: Introduce generic bypass module
...h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <linux/netpoll.h> +#include <linux/rtnetlink.h> +#include <linux/if_vlan.h> +#include <net/sch_generic.h> +#include <uapi/linux/if_arp.h> +#include <net/bypass.h> + +static LIST_HEAD(bypass_list); + +static DEFINE_MUTEX(bypass_mutex); + +struct bypass_instance *bypass_instance_alloc(struct net_device *dev) +{ + struct bypass_instance *bypass_instance; + + bypass_instance = kzalloc(s...
2016 May 10
1
weird network error
...l: block drbd0: Restarting drbd0_receiver May 9 22:30:22 sg1 kernel: block drbd0: receiver (re)started May 9 22:30:22 sg1 kernel: block drbd0: conn( Unconnected -> WFConnection ) May 9 22:30:34 sg1 kernel: ------------[ cut here ]------------ May 9 22:30:34 sg1 kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26b/0x280() (Not tainted) May 9 22:30:34 sg1 kernel: Hardware name: ISS3500 May 9 22:30:34 sg1 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed out May 9 22:30:34 sg1 kernel: Modules linked in: drbd(U) nfsd max6650 coretemp adm1021 ipmi_devintf ipmi_si ipm...