Date: Sun, 6 Nov 2016 13:20:36 +0100 From: "Hartmann, O." <ohartman@zedat.fu-berlin.de> To: YongHyeon PYUN <pyunyh@gmail.com> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: CURRENT: re(4) crashing system Message-ID: <20161106132036.06add6ca@hermann> In-Reply-To: <20161031021222.GA1252@michelle.fasterthan.co.kr> References: <20161023132538.6bf55fb2@hermann> <20161024051359.GA1185@michelle.fasterthan.co.kr> <20161024140337.47af924e@freyja.zeit4.iv.bundesimmobilien.de> <20161025020538.GA1238@michelle.fasterthan.co.kr> <20161025070338.76ad6711@hermann> <20161027010004.GA1215@michelle.fasterthan.co.kr> <20161028212113.5c4a2ca2@hermann> <20161031021222.GA1252@michelle.fasterthan.co.kr>
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--MP_/=_uTKz7byykY3gf7Gqvj61/ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Disposition: inline On Mon, 31 Oct 2016 11:12:22 +0900 YongHyeon PYUN <pyunyh@gmail.com> wrote: > On Fri, Oct 28, 2016 at 09:21:13PM +0200, Hartmann, O. wrote: > > On Thu, 27 Oct 2016 10:00:04 +0900 > > YongHyeon PYUN <pyunyh@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 <pyunyh@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. > > > > It seems the attachment was stripped. This time I hope I got it right! Attached you'll find the latest CURRENT's backtrace on the provoked crash (plug and unplug). I also saved the kernel and coredump, so if you need me to do further investigations,please let me know. Thanks in advance and kind regards, oliver --MP_/=_uTKz7byykY3gf7Gqvj61/ Content-Type: application/octet-stream; name=core.txt.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename=core.txt.0 U3VuIE5vdiAgNiAxMzoxNDoxMyBDRVQgMjAxNgoKRnJlZUJTRCBoZXJtYW5uIDEyLjAtQ1VSUkVO VCBGcmVlQlNEIDEyLjAtQ1VSUkVOVCAjMjUgcjMwODM1OTogU3VuIE5vdiAgNiAxMDowMjoyNyBD RVQgMjAxNiAgICAgcm9vdEBoZXJtYW5uOi91c3Ivb2JqL3Vzci9zcmMvc3lzL0hFUk1BTk4gIGFt ZDY0CgpwYW5pYzogCgpHTlUgZ2RiIDYuMS4xIFtGcmVlQlNEXQpDb3B5cmlnaHQgMjAwNCBGcmVl IFNvZnR3YXJlIEZvdW5kYXRpb24sIEluYy4KR0RCIGlzIGZyZWUgc29mdHdhcmUsIGNvdmVyZWQg YnkgdGhlIEdOVSBHZW5lcmFsIFB1YmxpYyBMaWNlbnNlLCBhbmQgeW91IGFyZQp3ZWxjb21lIHRv IGNoYW5nZSBpdCBhbmQvb3IgZGlzdHJpYnV0ZSBjb3BpZXMgb2YgaXQgdW5kZXIgY2VydGFpbiBj b25kaXRpb25zLgpUeXBlICJzaG93IGNvcHlpbmciIHRvIHNlZSB0aGUgY29uZGl0aW9ucy4KVGhl cmUgaXMgYWJzb2x1dGVseSBubyB3YXJyYW50eSBmb3IgR0RCLiAgVHlwZSAic2hvdyB3YXJyYW50 eSIgZm9yIGRldGFpbHMuClRoaXMgR0RCIHdhcyBjb25maWd1cmVkIGFzICJhbWQ2NC1tYXJjZWwt 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