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Date:      Tue, 24 Jul 2012 13:54:10 +0900
From:      Takanori Watanabe <takawata@init-main.com>
To:        FreeBSD-gnats-submit@FreeBSD.org, freebsd-virtualization@FreeBSD.org
Subject:   Re: kern/170096: Dyanamically-attached network interface will crash with VIMAGE enabled kernel
Message-ID:  <201207240454.q6O4sAdO084119@sana.init-main.com>
In-Reply-To: Your message of "Mon, 23 Jul 2012 21:40:09 GMT." <201207232140.q6NLe9Z8077186@freefall.freebsd.org>

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It is fixed with following patch, though some consideration needed with
kernel module:

Index: usb_process.c
===================================================================
--- usb_process.c       (revision 238557)
+++ usb_process.c       (working copy)
@@ -55,6 +55,7 @@
 #include <sys/proc.h>
 #include <sys/kthread.h>
 #include <sys/sched.h>
+#include <net/vnet.h>
 
 #if (__FreeBSD_version < 700000)
 #define        thread_lock(td) mtx_lock_spin(&sched_lock)
@@ -111,6 +112,9 @@
        td = curthread;
        thread_lock(td);
        sched_prio(td, up->up_prio);
+#ifdef VIMAGE
+       td->td_vnet = vnet0;
+#endif
        thread_unlock(td);
 
        mtx_lock(up->up_mtx);
===




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