Date: Tue, 16 Oct 2001 16:16:51 +0800 (CST) From: justin@skysoft.com.tw To: FreeBSD-gnats-submit@freebsd.org Subject: kern/31310: pthread broken with KVA_PAGES=512 Message-ID: <20011016081651.441C5B4654@www.kkcity.com.tw>
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>Number: 31310
>Category: kern
>Synopsis: pthread broken with KVA_PAGES=512
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 16 01:20:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Justin Chuang
>Release: FreeBSD 4.4-STABLE i386
>Organization:
SkySoft Inc. Taiwan
>Environment:
FreeBSD www.kkcity.com.tw 4.4-RC FreeBSD 4.4-RC #0: Tue Oct 2 14:18:22 CST
2001
root@www.kkcity.com.tw:/usr/src/sys/compile/KKCITY_KERNEL i386
This is not correct version on which the bug occurs, which is 4.4-STABLE #2,
I can't boot into that kernel because it's a running server.
>Description:
KVA_PAGES in kernel config is set to 512, and I had 'make world'
to update /usr/lib.
When I run any program that use pthread (linked with libc_r),
it prints:
Fatal error 'Cannot allocate red zone for initial thread' at line ? in file
/usr/src/lib/libc_r/uthread/uthread_init.c (errno = ?)
Abort trap (core dumped)
I didn't have this problem on 4.4-RC0 with ldscript.i386 and pmap.h
patched as the following to enlarge kernel address space to 2G.
Index: conf/ldscript.i386
===================================================================
RCS file: /home/ncvs/src/sys/conf/ldscript.i386,v
retrieving revision 1.4
diff -u -r1.4 ldscript.i386
--- conf/ldscript.i386 2000/01/11 15:35:16 1.4
+++ conf/ldscript.i386 2001/04/02 16:07:18
@@ -6,7 +6,7 @@
SECTIONS
{
/* Read-only sections, merged into text segment: */
- . = 0xc0100000 + SIZEOF_HEADERS;
+ . = 0x80100000 + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
Index: i386/include/pmap.h
===================================================================
RCS file: /home/ncvs/src/sys/i386/include/pmap.h,v
retrieving revision 1.70
diff -u -r1.70 pmap.h
--- i386/include/pmap.h 2000/11/30 01:53:02 1.70
+++ i386/include/pmap.h 2001/04/02 16:07:18
@@ -92,9 +92,9 @@
#endif
#ifndef NKPDE
#ifdef SMP
-#define NKPDE 254 /* addressable number of page
tables/pde's */
+#define NKPDE 510 /* addressable number of page
tables/pde's */
#else
-#define NKPDE 255 /* addressable number of page
tables/pde's */
+#define NKPDE 511 /* addressable number of page
tables/pde's */
#endif /* SMP */
#endif
>How-To-Repeat:
N/A
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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