RE: [regression] e1000e broke e1000 (was: Re: [ANNOUNCE] e1000 toe1000e migration of PCI Express devices)

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From: Brandeburg, Jesse
Date: Tuesday, April 8, 2008 - 12:43 pm

Auke is out sick, so I'm responding...

Ingo Molnar wrote:

then why are you compiling e1000e as a module?  no "=y" in your kernel
means no support, and this kernel .config has e1000e supporting your
hardware.

your expectation is that e1000 once loaded on this device in a previous
kernel (2.6.24) so it should continue to work, right?  I see your point
but we are trying to make general improvements to both drivers, and the
best way forward was a split, in order to make the user experience
better by eliminating chances for regressions on older hardware.  
 


if you're running a no module kernel, you'll need to set CONFIG_E1000E=y
for your device to be detected.  


The device IDs moved to e1000e, we don't want collisions between drivers
that support the same IDs, so to avoid those user support issues, we're
trying to make the process as painless as possible with announcements
and time.  The distros are already including the e1000e driver in their
builds and new installs with the new ID layout will automatically select
the correct driver for their hardware.

Users that take an upgrade to their kernel (with e1000e enabled) might
benefit if the distro upgrading that kernel included a post upgrade
script that migrated e1000e devices previously using e1000 in
modprobe.conf to alias ethX e1000e

If there is a more reasonable solution you can come up with I am
interested.

Jesse
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Messages in current thread:
RE: [regression] e1000e broke e1000 (was: Re: [ANNOUNCE] e ..., Brandeburg, Jesse, (Tue Apr 8, 12:43 pm)
Re: [regression] e1000e broke e1000, Jeff Garzik, (Tue Apr 8, 12:56 pm)
Re: [regression] e1000e broke e1000, Ingo Molnar, (Tue Apr 8, 1:06 pm)
Re: [regression] e1000e broke e1000, Dan Noe, (Tue Apr 8, 1:12 pm)
showing which hardware is unclaimed, Rick Jones, (Tue Apr 8, 1:13 pm)
Re: [regression] e1000e broke e1000, Jeff Garzik, (Tue Apr 8, 1:19 pm)
Re: [regression] e1000e broke e1000, Matthew Wilcox, (Tue Apr 8, 1:20 pm)
Re: [regression] e1000e broke e1000, Kok, Auke, (Tue Apr 8, 1:31 pm)
Re: [regression] e1000e broke e1000, Ingo Molnar, (Tue Apr 8, 1:33 pm)
Re: [regression] e1000e broke e1000, Ingo Molnar, (Tue Apr 8, 1:35 pm)
Re: showing which hardware is unclaimed, Martin Mares, (Tue Apr 8, 1:35 pm)
Re: [regression] e1000e broke e1000, Martin Mares, (Tue Apr 8, 1:36 pm)
Re: [regression] e1000e broke e1000, Dan Noe, (Tue Apr 8, 1:39 pm)
Re: [E1000-devel] [regression] e1000e broke e1000, Kok, Auke, (Tue Apr 8, 1:47 pm)
Re: [regression] e1000e broke e1000, Jeff Garzik, (Tue Apr 8, 1:56 pm)
Re: [regression] e1000e broke e1000, Ingo Molnar, (Wed Apr 9, 12:12 pm)
Re: [regression] e1000e broke e1000, Jeff Garzik, (Wed Apr 9, 12:33 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Jeff Garzik, (Wed Apr 9, 12:50 pm)
Re: [regression] e1000e broke e1000, Bill Davidsen, (Wed Apr 9, 5:52 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Ingo Molnar, (Thu Apr 10, 12:27 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Chris Friesen, (Thu Apr 10, 2:20 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Randy Dunlap, (Thu Apr 10, 2:44 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Philip Craig, (Thu Apr 10, 5:46 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Andi Kleen, (Fri Apr 11, 12:54 am)
Re: [regression] e1000e broke e1000, Ingo Molnar, (Fri Apr 11, 1:59 am)
Re: [patch] e1000=y && e1000e=m regression fix, Ingo Molnar, (Fri Apr 11, 4:26 am)
Re: [regression] e1000e broke e1000, Ingo Molnar, (Fri Apr 11, 4:30 am)
Re: [patch] e1000=y && e1000e=m regression fix, Christoph Hellwig, (Fri Apr 11, 4:36 am)
Re: [patch] e1000=y && e1000e=m regression fix, Ingo Molnar, (Fri Apr 11, 5:16 am)
Re: [regression] e1000e broke e1000, Chris Friesen, (Fri Apr 11, 8:40 am)
Re: [patch] e1000=y && e1000e=m regression fix, Christoph Hellwig, (Fri Apr 11, 9:45 am)
Re: [patch] e1000=y && e1000e=m regression fix, Martin Mares, (Fri Apr 11, 10:10 am)
Re: [patch] e1000=y && e1000e=m regression fix, Linus Torvalds, (Fri Apr 11, 10:34 am)
Re: [patch] e1000=y && e1000e=m regression fix, Matthew Wilcox, (Fri Apr 11, 10:53 am)
Re: [patch] e1000=y && e1000e=m regression fix, Linus Torvalds, (Fri Apr 11, 11:51 am)
Re: [patch] e1000=y && e1000e=m regression fix, Matthew Wilcox, (Fri Apr 11, 12:01 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Willy Tarreau, (Fri Apr 11, 12:25 pm)
Re: [regression] e1000e broke e1000, Willy Tarreau, (Fri Apr 11, 12:29 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Matthew Wilcox, (Fri Apr 11, 12:38 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Linus Torvalds, (Fri Apr 11, 1:21 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Krzysztof Halasa, (Fri Apr 11, 1:22 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Linus Torvalds, (Fri Apr 11, 1:29 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Daniel Barkalow, (Fri Apr 11, 3:06 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Jeff Garzik, (Fri Apr 11, 3:21 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Linus Torvalds, (Fri Apr 11, 4:00 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Daniel Barkalow, (Fri Apr 11, 4:05 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Daniel Barkalow, (Fri Apr 11, 4:15 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Jeff Garzik, (Fri Apr 11, 4:43 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Christoph Hellwig, (Sat Apr 12, 6:07 am)
Re: [patch] e1000=y && e1000e=m regression fix, Linus Torvalds, (Sun Apr 13, 2:13 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Ondrej Zary, (Sun Apr 13, 2:34 pm)
Re: [patch] e1000=y && e1000e=m regression fix, Ingo Molnar, (Mon Jun 9, 12:24 pm)