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[bug #45204] EFI PXE boot fails for some firmware


From: Andrei Borzenkov
Subject: [bug #45204] EFI PXE boot fails for some firmware
Date: Thu, 28 May 2015 18:22:52 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0

Follow-up Comment #4, bug #45204 (project grub):

Could you dump existing filters for problem platform?

If we are forced to enter this territory I'd prefer to have explicit control
over settings. I think we should do

if (snp->mode->receive_filter_mask)
 receive_filters(snp, UNICAST|BROADCAST|MULTICAST_PROMISCOUS &
snp->mode->receive_filter_mask, MULTICAST|PROMISCOUS &
snp->mode->receive_filter_mask, TRUE, 0, 0)

and completely ignore any error. IOW reset any existing multicast filters and
promiscous and enable unicast, broadcast and receive of any multicast whatever
is supported by driver.


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