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Date: Sun, 20 Jun 2004 00:20:25 GMT
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From: "Georg-W. Koltermann" <gwk@rahn-koltermann.de>
Subject: Re: java/68079: PATCH linux ibm jdk 1.4.1 fails with: JVMLH050:
	Signal stack registration failed (errno=22)
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The following reply was made to PR java/68079; it has been noted by GNATS.

From: "Georg-W. Koltermann" <gwk@rahn-koltermann.de>
To: freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: Re: java/68079: PATCH linux ibm jdk 1.4.1 fails with: JVMLH050:
	Signal stack registration failed (errno=22)
Date: Sun, 20 Jun 2004 02:14:15 +0200

 The problem was that linux_machdep.c had the arguments to
 kern_sigaltstack() switched. Apply the following patch:
 
 Index: linux_machdep.c
 ===================================================================
 RCS file: /usr/ncvs/src/sys/i386/linux/linux_machdep.c,v
 retrieving revision 1.40
 diff -u -r1.40 linux_machdep.c
 --- linux_machdep.c	2 Jun 2003 16:56:40 -0000	1.40
 +++ linux_machdep.c	19 Jun 2004 23:19:29 -0000
 @@ -799,8 +799,8 @@
  		ss.ss_size = lss.ss_size;
  		ss.ss_flags = linux_to_bsd_sigaltstack(lss.ss_flags);
  	}
 -	error = kern_sigaltstack(td, (uap->uoss != NULL) ? &oss : NULL,
 -	    (uap->uss != NULL) ? &ss : NULL);
 +	error = kern_sigaltstack(td, (uap->uss != NULL) ? &ss : NULL,
 +	    (uap->uoss != NULL) ? &oss : NULL);
  	if (!error && uap->uoss != NULL) {
  		lss.ss_sp = oss.ss_sp;
  		lss.ss_size = oss.ss_size;
 
 Alas, it still does not work right.  Now it hangs with high system times
 and the message "kernel trap 26 with interrupts disabled" in syslog :(
 See next PR.