New issues in 2.6.35-rc{1,2}

New issues in 2.6.35-rc{1,2}

[Nico Schottelius]

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Hey devs!

In both of these versions, the update of the carrier flag seems
to be "different" than before (linux-2.6.34-08528-gb3f2f6c):

wlan0 (iwlagn) does not recognize it's disconnected
and eth0 (e1000e) does only react correctly after I restarted
dhcpcd (isc):

[11:20] kr:pm# dhcpcd eth0 
dhcpcd: version 5.2.2 starting
dhcpcd: eth0: waiting for carrier
^Cdhcpcd: received SIGINT, stopping
dhcpcd: eth0: removing interface
[11:20] kr:pm# dhcpcd eth0
dhcpcd: version 5.2.2 starting
dhcpcd: eth0: broadcasting for a lease
dhcpcd: eth0: offered 129.132.102.115 from 129.132.65.12
dhcpcd: eth0: ignoring offer of 129.132.102.115 from 129.132.57.97
dhcpcd: eth0: acknowledged 129.132.102.115 from 129.132.65.12
dhcpcd: eth0: checking for 129.132.102.115
dhcpcd: eth0: leased 129.132.102.115 for 86400 seconds
dhcpcd: forking to background

It's known that iwlagn has problems after suspend/resume,
but new is that both nics do not notify dhcpcd that the link
has gone. I'm not sure what / where broke here, just see that
dhcpcd noticed it before and now doesn't anymore.

Nico

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Re: New issues in 2.6.35-rc{1,2}

[Borislav Petkov]

From: Nico Schottelius <nico-linux-20100614@schottelius.org>
Date: Mon, Jun 14, 2010 at 06:19:04PM +0200

Ccing netdev.

> Hey devs!
> 
> In both of these versions, the update of the carrier flag seems
> to be "different" than before (linux-2.6.34-08528-gb3f2f6c):
> 
> wlan0 (iwlagn) does not recognize it's disconnected
> and eth0 (e1000e) does only react correctly after I restarted
> dhcpcd (isc):
> 
> [11:20] kr:pm# dhcpcd eth0 
> dhcpcd: version 5.2.2 starting
> dhcpcd: eth0: waiting for carrier
> ^Cdhcpcd: received SIGINT, stopping
> dhcpcd: eth0: removing interface
> [11:20] kr:pm# dhcpcd eth0
> dhcpcd: version 5.2.2 starting
> dhcpcd: eth0: broadcasting for a lease
> dhcpcd: eth0: offered 129.132.102.115 from 129.132.65.12
> dhcpcd: eth0: ignoring offer of 129.132.102.115 from 129.132.57.97
> dhcpcd: eth0: acknowledged 129.132.102.115 from 129.132.65.12
> dhcpcd: eth0: checking for 129.132.102.115
> dhcpcd: eth0: leased 129.132.102.115 for 86400 seconds
> dhcpcd: forking to background
> 
> It's known that iwlagn has problems after suspend/resume,
> but new is that both nics do not notify dhcpcd that the link
> has gone. I'm not sure what / where broke here, just see that
> dhcpcd noticed it before and now doesn't anymore.

Had the same dhcpcd issue here both with e1000e and bnx2 and definitely
after the .35 merge window. dhclient doesn't seem affected.

-- 
Regards/Gruss,
Boris.

Re: New issues in 2.6.35-rc{1,2}

[Nico Schottelius]

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And another one: with 2.6.35-rc2 my system freezes after
about 5 times suspend & resume.

I'm now back on 2.6.34-08528-gb3f2f6c, it seems this kernel
reliable suspends & resumes.

Although this issue is an old one, it simply "disappeared", but
has never been solved explicitly, see thread
"2.6.33-2.6.34-rc5 suspend issues" on lkml, from 27 Apr 2010.

Cheers,

Nico

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