Date: Sat, 20 Aug 2005 11:28:15 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Huang wen hui <huang@gddsn.org.cn> Cc: current@freebsd.org Subject: Re: suspend/resume operation broken with usb mouse Message-ID: <40238.1124530095@phk.freebsd.dk> In-Reply-To: Your message of "Thu, 18 Aug 2005 19:54:31 %2B0800." <430476F7.6030007@gddsn.org.cn>
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In message <430476F7.6030007@gddsn.org.cn>, Huang wen hui writes:
>hi,
>Using today's CURRENT, my TP42P could not resume with usb mouse.
>cause "double fault" panic. With internal TrackPoint is OK,
>The DDB backtrace message can be found:
Can you try this patch ?
Index: kern/kern_conf.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/kern_conf.c,v
retrieving revision 1.190
diff -u -r1.190 kern_conf.c
--- kern/kern_conf.c 17 Aug 2005 08:19:52 -0000 1.190
+++ kern/kern_conf.c 20 Aug 2005 09:24:35 -0000
@@ -443,10 +443,14 @@
static void
fini_cdevsw(struct cdevsw *devsw)
{
+ struct cdevsw *gt;
- if (devsw->d_gianttrick != NULL)
- free(devsw->d_gianttrick, M_DEVT);
- devsw->d_gianttrick = NULL;
+ if (devsw->d_gianttrick != NULL) {
+ gt = devsw->d_gianttrick;
+ memcpy(devsw, gt, sizeof *devsw);
+ free(gt, M_DEVT);
+ devsw->d_gianttrick = NULL;
+ }
devsw->d_flags &= ~D_INIT;
}
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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