mirror of https://github.com/ipxe/ipxe.git
211529a7fe
Older, out-of-tree Xen kernel modules (such as those provided with SuSE Linux Enterprise Server 11) do not clear the leftover "event pending" bit when opening an event channel. Consequently, no event is ever delivered to indicate that there is information in the XenStore ring buffer, and the system hangs shortly after loading the xen-platform-pci kernel module. Work around this problem by always waiting for the XenStore event channel to be signalled, and clearing the event before processing the received data. Signed-off-by: Michael Brown <mcb30@ipxe.org> |
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