[Nut-upsuser] stopping ups services resets my network
clepple at gmail.com
Tue Oct 27 14:03:56 UTC 2009
You said this also happens when you unplug the USB cable for the UPS-
what if NUT is not running when you unplug USB?
On Oct 27, 2009, at 6:36 AM, "Antoine Gatineau" <antoine.gatineau at alcatel-lucent.com
> I'm back again on this issue.
> I have contacted Red Hat support but they won't do anything to help
> since it
> is not an official Red Hat package. Unless I prove the conflict come
> So I am trying to figure out what is going on.
> Adding -DDDDD will not add any more log at the services stop.
> When I look at the sources, I couldn't find the piece of code that
> properly the usb UPS device. There is just a normal SIGTERM
> handling. Is
> this normal?
> I also noticed that there are debug logs but I don't know how to
> them... Can somebody tell me how to do it?
> Do you have any advice on how to debug this? I have not seen anything
> particuliar about IRQs and there is no message in syslog when
> stopping ups.
> The fact is that I don't know at all what is blocking my network
> card and
> even less why... :(
> -----Message d'origine-----
> De : Charles Lepple [mailto:clepple at gmail.com]
> Envoyé : vendredi 2 octobre 2009 01:05
> À : Antoine Gatineau
> Cc : nut-upsuser at lists.alioth.debian.org
> Objet : Re: [Nut-upsuser] stopping ups services resets my network
> On Mon, Sep 28, 2009 at 6:40 AM, Antoine Gatineau
> <antoine.gatineau at alcatel-lucent.com> wrote:
>> I have this issue: ups is working fine for a time but when I stop the
>> services or if I unplug the ups device (over usb) I get the following
>> in /var/log/messages
>> I am running nut-2.4.1 on RHEL4.
>> Sep 28 14:44:57 mabolas upsd: Signal 15: exiting Sep 28
>> 14:45:06 mabolas upsmon: Signal 15: exiting Sep 28 15:04:10
>> mabolas sshd(pam_unix): session closed for user root Sep 28
>> 15:04:36 mabolas kernel: NETDEV WATCHDOG: eth0: transmit timed out
>> 28 15:04:36 mabolas kernel: tg3: eth0: transmit timed out, resetting
>> Sep 28 15:04:36 mabolas kernel: tg3: DEBUG: MAC_TX_STATUS
>> MAC_RX_STATUS Sep 28 15:04:36 mabolas kernel: tg3: DEBUG:
>> RDMAC_STATUS WDMAC_STATUS Sep 28 15:04:36 mabolas
>> kernel: tg3: eth0: Link is down.
>> Sep 28 15:04:38 mabolas kernel: tg3: eth0: Link is up at 1000 Mbps,
>> full duplex.
>> Sep 28 15:04:38 mabolas kernel: tg3: eth0: Flow control is off for TX
>> and off for RX.
> This sounds like a bug in the tg3 driver in that kernel version.
> Have you
> checked the RedHat bugzilla to see if anyone else sees this?
> Depending on how the motherboard is laid out, moving the UPS to a
> USB port might avoid this problem. It could have something to do with
> interrupt handling (for example, the tg3 driver expects an interrupt
> that is
> stolen by the USB controller).
> - Charles Lepple
> Nut-upsuser mailing list
> Nut-upsuser at lists.alioth.debian.org
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