On Tue, 2 Jan 2001, Gerold Jury wrote:
> I have reversed the patches part by part, the only thing that makes a
> difference is the diversion services.
> The reason for this remains unknown for me.
I think I found it. Could everybody who was getting the crash on ISDN line
hangup try if the following patch fixes the problem?
I think the problem was that we relied on divert_if being initialized to
zero automatically, which didn't happen because it was not declared static
and therefore not in .bss (*is this true?*).
diff -ur linux-2.4.0-prerelease-diff/drivers/isdn/isdn_common.c
linux-2.4.0-prerelease-diff.fix/drivers/isdn/isdn_common.c
--- linux-2.4.0-prerelease-diff/drivers/isdn/isdn_common.c Tue Jan 2 12:26:45
2001
+++ linux-2.4.0-prerelease-diff.fix/drivers/isdn/isdn_common.c Tue Jan 2 23:47:48
+2001
@@ -68,7 +68,7 @@
extern char *isdn_v110_revision;
#ifdef CONFIG_ISDN_DIVERSION
-isdn_divert_if *divert_if; /* interface to diversion module */
+static isdn_divert_if *divert_if; /* = NULL */
#endif CONFIG_ISDN_DIVERSION
@@ -2118,7 +2118,6 @@
}
#ifdef CONFIG_ISDN_DIVERSION
-extern isdn_divert_if *divert_if;
static char *map_drvname(int di)
{
I also attached a patch which disables diversion service being selected as
built-in during kernel config, because this doesn't work yet.
--Kai
diff -ur linux-2.4.0-prerelease-diff/drivers/isdn/Config.in
linux-2.4.0-prerelease-diff.fix/drivers/isdn/Config.in
--- linux-2.4.0-prerelease-diff/drivers/isdn/Config.in Tue Jan 2 12:26:45 2001
+++ linux-2.4.0-prerelease-diff.fix/drivers/isdn/Config.in Tue Jan 2 23:46:00
+2001
@@ -23,7 +23,7 @@
mainmenu_option next_comment
comment 'ISDN feature submodules'
dep_tristate 'isdnloop support' CONFIG_ISDN_DRV_LOOP $CONFIG_ISDN
- dep_tristate 'Support isdn diversion services' CONFIG_ISDN_DIVERSION $CONFIG_ISDN
+ dep_tristate 'Support isdn diversion services' CONFIG_ISDN_DIVERSION $CONFIG_ISDN m
endmenu
comment 'low-level hardware drivers'
-
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