Date: Wed, 20 Aug 2008 15:14:35 -0700 From: Sean Bruno <sbruno@miralink.com> To: freebsd-scsi@freebsd.org Subject: RELENG_6 patch for MPT Message-ID: <48AC974B.2020203@miralink.com>
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Hmmm...RELENG_6 looks like it has a locking issue at this time.
The patch below removes the panic due to dead lock, but I'm not sure
how safe it is.
Index: /trunk/src/ankeny/src/FreeBSD_RELENG6/sys/dev/mpt/mpt_user.c
===================================================================
--- /trunk/src/ankeny/src/FreeBSD_RELENG6/sys/dev/mpt/mpt_user.c (revision 5657)
+++ /trunk/src/ankeny/src/FreeBSD_RELENG6/sys/dev/mpt/mpt_user.c (revision 5761)
@@ -106,15 +106,13 @@
mpt_user_attach(struct mpt_softc *mpt)
{
mpt_handler_t handler;
int error, unit;
- MPT_LOCK(mpt);
handler.reply_handler = mpt_user_reply_handler;
error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler,
&user_handler_id);
- MPT_UNLOCK(mpt);
if (error != 0) {
mpt_prt(mpt, "Unable to register user handler!\n");
return (error);
}
unit = device_get_unit(mpt->dev);
--
Sean Bruno
MiraLink Corporation
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