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On Wed, Nov 02, 2005 at 08:04:49AM +0100, GNMJLR@terra.es wrote:
> The error that produces that Oracle ends i the call: ipc(0x18,0xd0000,
> 0x102,0,0xbfbfd8d0)
> 
> The question: where can I find doc about decoding 
> the parameters of ipc?
> 
> 
> After this Oracle quits and prints this:
> 
> skgm 
> error 27121: errno = 22, info = 1, 917504, 0, 0
> OPIRIP: Uncaught error 
> 1034. Error stack:
> ORA-01034: ORACLE not available
> ORA-27121: unable to 
> determine size of shared memory segment
> Linux Error: 22: Invalid argument

try the attached patch.

-Chuck

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Index: src/sys/compat/linux/common/linux_ipc.c
===================================================================
RCS file: /cvsroot/src/sys/compat/linux/common/linux_ipc.c,v
retrieving revision 1.31
diff -u -p -r1.31 linux_ipc.c
--- src/sys/compat/linux/common/linux_ipc.c	26 Feb 2005 23:10:19 -0000	1.31
+++ src/sys/compat/linux/common/linux_ipc.c	2 Nov 2005 10:47:11 -0000
@@ -469,6 +469,7 @@ linux_sys_shmctl(l, v, retval)
 	struct sys___shmctl13_args nua;
 	struct shmid_ds *bsp, bs;
 	struct linux_shmid_ds ls;
+	struct linux_shminfo64 lsi;
 	int error;
 
 	SCARG(&nua, shmid) = SCARG(uap, shmid);
@@ -484,6 +485,7 @@ linux_sys_shmctl(l, v, retval)
 			return error;
 		bsd_to_linux_shmid_ds(&bs, &ls);
 		return copyout(&ls, SCARG(uap, buf), sizeof ls);
+
 	case LINUX_IPC_SET:
 		if ((error = copyin(SCARG(uap, buf), &ls, sizeof ls)))
 			return error;
@@ -495,19 +497,31 @@ linux_sys_shmctl(l, v, retval)
 		SCARG(&nua, cmd) = IPC_SET;
 		SCARG(&nua, buf) = bsp;
 		break;
+
 	case LINUX_IPC_RMID:
 		SCARG(&nua, cmd) = IPC_RMID;
 		SCARG(&nua, buf) = NULL;
 		break;
+
 	case LINUX_SHM_LOCK:
 		SCARG(&nua, cmd) = SHM_LOCK;
 		SCARG(&nua, buf) = NULL;
 		break;
+
 	case LINUX_SHM_UNLOCK:
 		SCARG(&nua, cmd) = SHM_UNLOCK;
 		SCARG(&nua, buf) = NULL;
 		break;
+
 	case LINUX_IPC_INFO:
+		memset(&lsi, 0, sizeof lsi);
+		lsi.l_shmmax = shminfo.shmmax;
+		lsi.l_shmmin = shminfo.shmmin;
+		lsi.l_shmmni = shminfo.shmmni;
+		lsi.l_shmseg = shminfo.shmseg;
+		lsi.l_shmall = shminfo.shmall;
+		return copyout(&lsi, SCARG(uap, buf), sizeof lsi);
+
 	case LINUX_SHM_STAT:
 	case LINUX_SHM_INFO:
 	default:
Index: src/sys/compat/linux/common/linux_shm.h
===================================================================
RCS file: /cvsroot/src/sys/compat/linux/common/linux_shm.h,v
retrieving revision 1.6
diff -u -p -r1.6 linux_shm.h
--- src/sys/compat/linux/common/linux_shm.h	28 Sep 2004 19:05:19 -0000	1.6
+++ src/sys/compat/linux/common/linux_shm.h	2 Nov 2005 10:47:12 -0000
@@ -58,6 +58,27 @@ struct linux_shmid_ds {
 	void			*l_private3;
 };
 
+struct linux_shminfo64 {
+	u_long			l_shmmax;
+	u_long			l_shmmin;
+	u_long			l_shmmni;
+	u_long			l_shmseg;
+	u_long			l_shmall;
+	u_long			l___unused1;
+	u_long			l___unused2;
+	u_long			l___unused3;
+	u_long			l___unused4;
+};
+
+struct linux_shm_info {
+	int			l_used_ids;
+	u_long			l_shm_tot;
+	u_long			l_shm_rss;
+	u_long			l_shm_swp;
+	u_long			l_swap_attempts;
+	u_long			l_swap_successes;
+};
+
 #define LINUX_SHM_RDONLY	0x1000
 #define LINUX_SHM_RND		0x2000
 #define LINUX_SHM_REMAP		0x4000

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