* [dpdk-dev] [Bug 384] netvsc PMD crashes in secondary process in dev_info_get
@ 2020-01-10 22:36 bugzilla
2020-03-16 23:58 ` bugzilla
0 siblings, 1 reply; 2+ messages in thread
From: bugzilla @ 2020-01-10 22:36 UTC (permalink / raw)
To: dev
https://bugs.dpdk.org/show_bug.cgi?id=384
Bug ID: 384
Summary: netvsc PMD crashes in secondary process in
dev_info_get
Product: DPDK
Version: 19.08
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: stephen@networkplumber.org
Target Milestone: ---
Call rte_ethdev_dev_info_get in a secondary process will crash with netvsc PMD.
The data structure mapping for the vmbus is not mapped at same address.
It is crashing here because hv->vmbus is not the correct in secondary.
static void *hn_rndis_alloc(struct hn_data *hv, size_t size)
{
return rte_zmalloc_socket("RNDIS", size, PAGE_SIZE,
hv->vmbus->device.numa_node);
}
The numa_node is not needed for control messages.
But fixing that just exposes the next crash when sending the control message.
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