Stephen Hemminger <stephen <at> networkplumber.org> writes: > > > Begin forwarded message: > > Date: Sat, 23 May 2015 16:54:50 +0000 > From: "bugzilla-daemon <at> bugzilla.kernel.org" <bugzilla-daemon <at> bugzilla.kernel.org> > To: "shemminger <at> linux-foundation.org" <shemminger <at> linux-foundation.org> > Subject: [Bug 98781] New: WWAN: TX bytes counter shows very huge impossible value > > https://bugzilla.kernel.org/show_bug.cgi?id=98781 > > Bug ID: 98781 > Summary: WWAN: TX bytes counter shows very huge impossible > value > Product: Networking > Version: 2.5 > Kernel Version: 4.0.x > Hardware: Intel > OS: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > Assignee: shemminger <at> linux-foundation.org > Reporter: mm <at> superbash.de > Regression: No > > Since version 4.0.x the TX bytes counter of the WWAN module shows a weird > value. > > Example: > > $ > ifconfig wwan > > wwan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet xxx.xxx.xxx.xxx netmask 255.255.255.252 broadcast > xxx.xxx.xxx.xxx > inet6 xxxx::xxxx:xxxx:xxxx:xxxx prefixlen 64 scopeid 0x20<link> > ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet) > RX packets 19036 bytes 19190321 (18.3 MiB) > RX errors 0 dropped 0 overruns 0 frame 0 > TX packets 15874 bytes 43228847574631 (39.3 TiB) > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 > > 39.3 TiB - wow, absolutely not true > > The WWAN is used as bridge to my internet provider (LTE usb stick) > > I use the counter to control the traffic. It's only the TX counter, the RX > works ok. > I have exactly the same issue, exhibited when upgrading (n-1) kernel on Ubuntu Vivid 15.04 from 3.17.x:
Linux uranis 3.19.0-20-generic #20-Ubuntu SMP Fri May 29 10:10:47 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux wwan0 Link encap:Ethernet HWaddr 26:03:a9:e3:88:2e inet addr:41.150.225.132 Bcast:41.150.225.135 Mask:255.255.255.248 inet6 addr: fe80::2403:a9ff:fee3:882e/64 Scope:Link UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:3366 errors:0 dropped:0 overruns:0 frame:0 TX packets:3497 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1459963 (1.4 MB) TX bytes:15019500985395 (15.0 TB) Kernel internal or module (driver) bug, shows up everywhere including 'system monitor'. This problem has come up a few years back and was solved, but seems to be back again... Any ideas on fix ? -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html