On 2014-09-08 13:14, Steve Wills wrote: > Hi, > > I've got some new hardware and have been experiencing lockups using the em > driver. They seem to only happen on large downloads, smaller things like ssh > and web browsing work OK. The hardware is: > > em0_at_pci0:0:25:0: class=0x020000 card=0x309f17aa chip=0x153a8086 rev=0x04 hdr=0x00 > vendor = 'Intel Corporation' > device = 'Ethernet Connection I217-LM' > class = network > subclass = ethernet > bar [10] = type Memory, range 32, base 0xf7c00000, size 131072, enabled > bar [14] = type Memory, range 32, base 0xf7c3d000, size 4096, enabled > bar [18] = type I/O Port, range 32, base 0xf080, size 32, enabled > > I did have the vboxnet driver loaded, but tried unloading that and still saw > the issue. One thing I notice is some garbage at the top of the screen when the > hang happens, perhaps there's a conflict with the vesa video. (This system is > Haswell, using the vga/vesa driver.) > > Any suggestions on how to debug? > > Thanks, > Steve > _______________________________________________ > freebsd-current_at_freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" > Try periodically setting dev.em.0.debug=1 it will dump a bunch of stats to syslog then set it self back to -1 there are also a bunch of useful stats under: dev.em.0 including things like: dev.em.0.mbuf_alloc_fail dev.em.0.watchdog_timeouts dev.em.0.mac_stats.collision_count etc that might provide some insight. I have a box with 4x of the i210 (but that shows up as igb(4)) I have one of the i217LM nics in this machine, but it is used for video production so it isn't running BSD at the moment. -- Allan Jude
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