[Bug 341537] New: via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts - openSUSE Bugs - openSUSE Mailing Lists

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[Bug 341537] New: via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

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bugzilla_noreply＠novell.com

14 Nov 2007 14 Nov '07

03:51

https://bugzilla.novell.com/show_bug.cgi?id=341537#c1 Summary: via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts Product: openSUSE 10.3 Version: Final Platform: i686 OS/Version: openSUSE 10.3 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: jnelson-suse@jamponi.net QAContact: qa@suse.de Found By: Field Engineer I have a pair of VIA Velocity network cards. If I set their MTU > 1500 in /etc/sysconfig/ifcfg-eth0, upon reboot ifup sigsegs and the entire boot process halts. I have to boot into single user mode and edit the file (removing the MTU or setting it to ''). Kernel is the latest kernel for openSUSE 10.3 as of this writing Linux frank 2.6.22.12-0.1-default #1 SMP 2007/11/06 23:05:18 UTC i686 athlon i386 GNU/Linux and is unmodified, etc.. Happens 100% of the time. Since the VIA Velocity is a GiG-E NIC, using > 1500 MTU should be fairly common. NOTE: This has been a problem since openSUSE 10.2. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

3 Jan 3 Jan

19:34

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jeffm@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c1 Jeff Mahoney changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jeffm@novell.com Status|NEW |NEEDINFO Info Provider| |jnelson-suse@jamponi.net --- Comment #1 from Jeff Mahoney 2008-01-03 12:34:52 MST --- I expect you're seeing a kernel oops, not an ifup segfault. The oops will kill the running program. Can you boot with the working MTU, change it to the non-working one, and then rcnetwork restart (or ifdown/ifup eth0) and then post the output of 'dmesg' ? It'd probably be best if you did it in console mode. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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20:11

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jnelson-suse@jamponi.net added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c2 Jon Nelson changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|jnelson-suse@jamponi.net | --- Comment #2 from Jon Nelson 2008-01-03 13:11:35 MST --- This is a kernel oops - this was fixed on the linux kernel mailing list and appeared first in 2.6.24rc4. More specifically, the following patches are necessary: commit 48f6b053613b62fed7a2fe3255e5568260a8d615 Author: Stephen Hemminger Date: Wed Nov 28 14:20:16 2007 -0800 via-velocity: don't oops on MTU change (resend) The VIA veloicty driver needs the following to allow changing MTU when down. The buffer size needs to be computed when device is brought up, not when device is initialized. This also fixes a bug where the buffer size was computed differently on change_mtu versus initial setting. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik commit bd7b3f34198071d8bec05180530c362f1800ba46 Author: Stephen Hemminger Date: Wed Nov 14 19:47:27 2007 -0800 [VIA_VELOCITY]: Don't oops on MTU change. Simple mtu change when device is down. Fix http://bugzilla.kernel.org/show_bug.cgi?id=9382. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller I'm not sure if one wants to backport the changes or just wait for a newer kernel. I'm more than willing to test a backport (in fact, I think I *did* test a backport as part of the above fixes). -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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20:31

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jeffm@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c3 Jeff Mahoney changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |jnelson-suse@jamponi.net --- Comment #3 from Jeff Mahoney 2008-01-03 13:31:05 MST --- Ok, I've backported and committed the patches to the CVS tree. Could you test the kernel-of-the-day tomorrow to see if the fix helps? The changelog should contain: - patches.fixes/via-velocity-dont-oops-on-mtu-change-1: [VIA_VELOCITY]: Don't oops on MTU change. (341537). - patches.fixes/via-velocity-dont-oops-on-mtu-change-2: via-velocity: don't oops on MTU change while down (341537). The kernels can be found here: http://ftp.suse.com/pub/projects/kernel/kotd/SL103_BRANCH/ -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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20:33

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jnelson-suse@jamponi.net added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c4 --- Comment #4 from Jon Nelson 2008-01-03 13:33:53 MST --- I'll give it a try tonight, time permitting! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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4 Jan 4 Jan

20:59

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jnelson-suse@jamponi.net added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c5 Jon Nelson changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|jnelson-suse@jamponi.net | --- Comment #5 from Jon Nelson 2008-01-04 13:59:37 MST --- It would appear the most recent 'kernel-default' that built is: [ ] kernel-default-2.6.22.15-SL103_BRANCH_20071217210116.i586.rpm 17-Dec-2007 23:08 20.2M ...... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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21:21

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jeffm@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c6 Jeff Mahoney changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |jnelson-suse@jamponi.net --- Comment #6 from Jeff Mahoney 2008-01-04 14:21:36 MST --- Looks like something was wonky with the process that syncs out the internal mirror to the external FTP server. It looks like it's ok now. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

7 Jan 7 Jan

03:42

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jnelson-suse@jamponi.net added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c7 Jon Nelson changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|jnelson-suse@jamponi.net | --- Comment #7 from Jon Nelson 2008-01-06 20:42:18 MST --- I can confirm that 2.6.22.15-SL103_BRANCH_20080103202958-default does not oops and that 2.6.22.12-default does. Groovy! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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19:03

New subject: [Bug 341537] via velocity: if MTU > 1500 is used, at boot, ifup sigsegs and entire boot halts

https://bugzilla.novell.com/show_bug.cgi?id=341537 User jeffm@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=341537#c8 Jeff Mahoney changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED --- Comment #8 from Jeff Mahoney 2008-01-07 12:03:14 MST --- Great, I'll close this out as fixed then. Thanks for the feedback. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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