Netconsole is not developed by us, so we can't guarantee interoperability. You may need to ask the netconsole developers for help.
Todd Fujinaka Software Application Engineer Networking Division (ND) Intel Corporation [email protected] (503) 712-4565 -----Original Message----- From: Petr Cervenka [mailto:[email protected]] Sent: Friday, September 20, 2013 2:14 AM To: Fujinaka, Todd; e1000-devel Subject: RE: [E1000-devel] BQL and netconsole I tried version 2.5.4 with the same result. I will try to explain the problem shortly: Network interface and netconsole are configured as I wrote earlier. Network cable is unplugged. Normally (in older versions) all netconsole messages were buffered in the driver tx queue. When a watchdog task timed out, all of them were cleared at once, including the messages produced by the watchdog task itself. In newer versions there is always only one netconsole message in the driver tx queue. The rest is buffered "elsewhere". When the watchdog task times out, only the driver tx queue is cleared. The "elsewhere" buffer is untouched. Meanwhile the watchdog task produces another message to transmit ("Reset adapter") and that message is stored in "elsewhere" buffer. ______________________________________________________________ > Od: "Fujinaka, Todd" <[email protected]> > Komu: Petr Cervenka <[email protected]>, "e1000-devel" > <[email protected]> > Datum: 19.09.2013 19:38 > Předmět: RE: [E1000-devel] BQL and netconsole > >Not really sure what the problem could be, but there is a BQL fix in 2.4.14. >Have you tried the latest driver on e1000.sourceforge.net? > >Todd Fujinaka >Software Application Engineer >Networking Division (ND) >Intel Corporation >[email protected] >(503) 712-4565 > >-----Original Message----- >From: Petr Cervenka [mailto:[email protected]] >Sent: Tuesday, September 17, 2013 12:50 AM >To: Fujinaka, Todd; e1000-devel >Subject: RE: [E1000-devel] BQL and netconsole > >>Is this on the e1000 driver? Can you tell us which part you're using as well? > >Driver is e1000e. Till 1.11.3 it's OK, versions 2.0.0 and later produce the >problem. > >> >>How are you configuring the link? Are you bringing the link down with ifdown? > >Interface is configured with static IP: >$ ifconfig eth0 10.1.1.2 up > >Netconsole is configured as broadcast on that interface: >$ modprobe netconsole netconsole=@/eth0,@255.255.255.255/ > >Link is lost by unplugging of the cable. > >Event to start the problem could be plugging in the flash disk or similar >command to: >$ echo "<8>kernel message" > /dev/kmsg > >Petr > >>Hello, >>I have a problem with usage of netconsole and BQL. >>If the netconsole is configured to interface without link and any event (with >>netconsole message) happens, the computer starts to print "Reset adapter" >>message cca every 2 seconds. >>It's because driver watchdog task times out and resets the adapter and >>produces new message for netconsole. >>Without the BQL, the message is put to tx queue and almost immediatelly >>cleared in e1000_reinit_locked. >>But with BQL enabled driver, the messages are queued in some upper layer and >>are processed one by one with 2 seconds timeout. >>Is there any workaround or patch to fix such behavior (to clear higher level >>queue in reinit?) ? >>Thanks in advance. > > >_______________________________________________ >>E1000-devel mailing list >>[email protected] >>https://lists.sourceforge.net/lists/listinfo/e1000-devel >>To learn more about Intel® Ethernet, visit >>http://communities.intel.com/community/wired >> > ------------------------------------------------------------------------------ LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99! 1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint 2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/20/13. http://pubads.g.doubleclick.net/gampad/clk?id=58041151&iu=/4140/ostg.clktrk _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
