Re: 2.3.15 hangs - ISDN related?

Karsten Keil (kkeil@suse.de)
Mon, 30 Aug 1999 13:28:11 +0200

On Mon, Aug 30, 1999 at 09:38:38AM +0100, Paul Flinders wrote:
>
> 2.3.15 is hanging on my machine - looking back in the system logs
> there is an oops (attached) which looks as though it might be the ISDN
> code, just after the oops the final entry is
>
> Aug 30 09:04:35 dawa kernel: stuck on TLB IPI wait (CPU#0)
>
> 2.3.6 with the 9907111100 ISDN snapshot runs without problems
>
> I've attached the oops & my config. Is there anyone in the
> isdn4linux group that I could also send a report to?
Yes, but since we are going closer to normal kernel development, you
don't need to send a extra report.

I searched (I hope its the same) this fault the complete weekend.
It only occours if you try to use a ttyI.
It was a misplaced #endif in isdn_tty.c

--- /kernel/linux-2.3.15.org/drivers/isdn/isdn_tty.c Sun Aug 22 18:48:19 1999
+++ isdn/drivers/isdn/isdn_tty.c Sun Aug 29 13:03:32 1999
@@ -1,4 +1,4 @@
-/* $Id: isdn_tty.c,v 1.72 1999/07/31 12:59:45 armin Exp $
+/* $Id: isdn_tty.c,v 1.73 1999/08/28 21:56:27 keil Exp $

* Linux ISDN subsystem, tty functions and AT-command emulator (linklevel).
*
@@ -20,6 +20,9 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Log: isdn_tty.c,v $
+ * Revision 1.73 1999/08/28 21:56:27 keil
+ * misplaced #endif caused ttyI crash in 2.3.X
+ *
* Revision 1.72 1999/07/31 12:59:45 armin
* Added tty fax capabilities.
*
@@ -345,7 +348,7 @@
static int si2bit[8] =
{4, 1, 4, 4, 4, 4, 4, 4};

-char *isdn_tty_revision = "$Revision: 1.72 $";
+char *isdn_tty_revision = "$Revision: 1.73 $";


/* isdn_tty_try_read() is called from within isdn_tty_rcv_skb()
@@ -2399,8 +2402,8 @@
#else
info->open_wait = 0;
info->close_wait = 0;
- info->isdn_driver = -1;
#endif
+ info->isdn_driver = -1;
info->isdn_channel = -1;
info->drv_index = -1;
info->xmit_size = ISDN_SERIAL_XMIT_SIZE;

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