http://defect.opensolaris.org/bz/show_bug.cgi?id=12437
Summary: For link properties, only set physaddr when necessary
and reorder mtu/autopush/physaddr setting
Classification: Development
Product: nwam
Version: RC5
Platform: ANY/Generic
OS/Version: All
Status: ACCEPTED
Severity: minor
Priority: P3
Component: ON daemon
AssignedTo: alan.maguire at sun.com
ReportedBy: alan.maguire at sun.com
QAContact: nwam-dev at opensolaris.org
--- Comment #0 from amaguire <alan.maguire at sun.com> 2009-11-03 16:19:33 UTC
---
at present, we always explicitly set the physical address of network devices we
configure. If the user has specified a custom address, we set it, otherwise the
address is set to the factory default. We should be a bit more discerning about
setting the address however, as some device drivers (e.g. nge) reset the device
chipset. We've observed that sometimes the nge device appears to be down (link
light is off even when cable is plugged in). We're not 100% sure if this is the
cause for this nge problem, but minimizing device resets would likely help. In
addition, we should re-order the link config operations such that we set MTU
and autopush properties prior to setting the address as I have sometimes seen
MTU setting failing with EAGAIN. I'm guessing this is due to device state due
to reset being incompatible with successful property setting.
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