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+
+Guest hangs during option rom loading with certain cards
+
+With a Broadcom Corporation NetXtreme II BCM57810 10 Gigabit Ethernet card, device assignment does not work. The guest hangs during option rom execution. Moreover, if an attempt is made to quit qemu when the guest is in the hung state, the card gets into an inoperable state. Only a powercycle then, restores the card back into working order, just unloading/loading the driver does not help.
+
+Qemu version  - 1.6.2 or current master
+Distribution - FC19
+Kernel Version - 3.12.9-201.fc19.x86_64
+
+Details of the card - 
+ # ethtool -i p2p2
+driver: bnx2x
+version: 1.78.17-0
+firmware-version: bc 7.8.22
+bus-info: 0000:08:00.1
+supports-statistics: yes
+supports-test: yes
+supports-eeprom-access: yes
+supports-register-dump: yes
+supports-priv-flags: yes
+
+The output of lspci when the card is broken -
+03:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM57810 10 Gigabit Ethernet (rev ff) (prog-if ff)
+	!!! Unknown header type 7f
+	Kernel driver in use: bnx2x
+00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
+
+I will post if I get a chance to try out a newer  than 7.8.22 for the option rom and see if this issue is fixed. However it appears we need to have a unified approach to automatically avoid loading the rom based on certain criteria.  Manually, looking out for fixes to firmware and hard coding decisions based on those is neither desirable nor easy to maintain.
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