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Thursday, June 1 • 14:00 - 14:40
AER Functionality of Pass-Through PCI-e Device in Qemu - Jin Cao, Fujitsu

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In Qemu, assigned PCI devices are go through vfio_pci now, but one of important features still is not implemented: AER error recovery, due to its complexity. When error happens, it causes a Qemu VM to stop. A single pass-through device's error leads to a whole VM failure, that is not quite reasonable.

Fujitsu team focused on this topic two years ago, but Qemu community doesn't have a mature solution for this problem until now. Fujitsu has sent a dozens of patchsets, finally got some agreement and made some
achievement.

In this presentation, Cao jin will review the two phases of development, introduce the functionality arch of the feature, the difficult problem found in development, and current status.

Speakers
avatar for Cao Jin

Cao Jin

Engineer, Fujitsu
Cao jin is linux kernel developer now employed by Fujitsu. He worked for Huawei & Alcatel-lucent before. He contributed almost 100 patches during the first year in open source world(qemu, kernel, etc). He has strong interests in the low level things.Half a year ago, he began to dive... Read More →


Thursday June 1, 2017 14:00 - 14:40
Private Dining

Attendees (15)