Date: Sun, 11 Aug 2013 11:15:00 GMT From: shahar klein <shahark@mellanox.com> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/181225: unloading ipoib crashes the kernel Message-ID: <201308111115.r7BBF0A4007205@oldred.freebsd.org> Resent-Message-ID: <201308111120.r7BBK0uA083419@freefall.freebsd.org>
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>Number: 181225
>Category: amd64
>Synopsis: unloading ipoib crashes the kernel
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-amd64
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Aug 11 11:20:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: shahar klein
>Release: 9.1
>Organization:
Mellanox
>Environment:
FreeBSD 9.1-RELEASE #0 r+95f2241: Mon Jul 15 16:48:47 IDT 2013 .../sys/GENERIC amd64
>Description:
When an ipoib interface is up - unloading the ipoib module crashes the kernel
>How-To-Repeat:
bring up a ipoib interface with an IP and unload the ipoib module
>Fix:
a/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_main.c b/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_main.c
index abed7fa..f4e6706 100644
--- a/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1073,6 +1073,8 @@ ipoib_remove_one(struct ib_device *device)
if (rdma_port_get_link_layer(device, priv->port) != IB_LINK_LAYER_INFINIBAND)
continue;
+ ipoib_stop(priv);
+
ib_unregister_event_handler(&priv->event_handler);
/* dev_change_flags(priv->dev, priv->dev->flags & ~IFF_UP); */
>Release-Note:
>Audit-Trail:
>Unformatted:
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