On Fri, Oct 28, 2016 at 09:21:13PM +0200, Hartmann, O. wrote: > On Thu, 27 Oct 2016 10:00:04 +0900 > YongHyeon PYUN <pyu...@gmail.com> wrote: > > > On Tue, Oct 25, 2016 at 07:03:38AM +0200, Hartmann, O. wrote: > > > On Tue, 25 Oct 2016 11:05:38 +0900 > > > YongHyeon PYUN <pyu...@gmail.com> wrote: > > > > > > > [...] > > > > > > I'm not sure but it's likely the issue is related with EEE/Green > > > > Ethernet handling. EEE is negotiated feature with link partner. If > > > > you directly connect your laptop to non-EEE capable link partner > > > > like other re(4) box without switches you may be able to tell > > > > whether the issue is EEE/Green Ethernet related one or not. > > > > > > Me either since when I discovered a problem the first time with > > > CURRENT, that was the Friday before last week's Friday, there was a > > > unlucky coicidence: I got the new switch, FreeBSD introduced a > > > serious bug and I changed the NICs. > > > > > > The laptop, the last in the row of re(4) equipted systems on which I > > > use the Realtek NIC, does well now with Green IT technology, but > > > crashes on plugging/unplugging - not on each event, but at least in > > > one of ten. > > > > Hmm, it seems you know how to trigger the issue. When you unplug > > UTP cable was there active network traffic on re(4) device? > > It would be helpful to know which event triggers the crash(e.g. > > unplugging or plugging). And would you show me backtrace of panic? > > > > > I guess the Green IT issue is more a unlucky guess of mine and went > > > hand in hand with the problem I face with CURRENT right now on some > > > older, Non UEFI machines. > > > > > > > Ok. > > > > [...] > > > > > > As requested the informations about re0 and rgephy0 on the laptop > > > (Lenovo E540) > > > > > > [...] > > > > > > rgephy0: <RTL8251 1000BASE-T media interface> PHY 1 on miibus0 > > > rgephy0: none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, > > > 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT-FDX, > > > 1000baseT-FDX-master, 1000baseT-FDX-flow, > > > 1000baseT-FDX-flow-master, auto, auto-flow > > > > > > re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> > > > port 0x3000-0x30ff mem 0xf0d04000-0xf0d04fff,0xf0d00000-0xf0d03fff > > > at device 0.0 on pci2 re0: Using 1 MSI-X message re0: ASPM disabled > > > re0: Chip rev. 0x50800000 > > > re0: MAC rev. 0x00100000 > > > > This looks like 8168GU controller. > > > > [...] > > > > > I use options netmap in kernel config, but the problem is also > > > present without this option - just for the record. > > > > > > > Yup, netmap(4) has nothing to do with the crash. > > > > Thanks. > > Attached, you'll find the backtrace of the crash. This time it was > really easy - just one pull of the LAN cabling - and we are happy :-/ > > Please let me know if you need something else. I will return to normal > operations (disabling debugging) due to CURRENT is very unstable at the > moment on other hosts beyond r307157. >
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