Date: Fri, 10 Jan 2003 15:29:15 -0500 (EST) From: Daniel Eischen <eischen@pcnet1.pcnet.com> To: Robert Watson <rwatson@FreeBSD.ORG> Cc: current@FreeBSD.ORG, jmallett@FreeBSD.ORG Subject: Re: pthread ^T problem on recent -CURRENT: death in libc_r mutex Message-ID: <Pine.GSO.4.10.10301101528240.28820-100000@pcnet1.pcnet.com> In-Reply-To: <Pine.NEB.3.96L.1030104170009.82416C-100000@fledge.watson.org>
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On Sat, 4 Jan 2003, Robert Watson wrote: > > Juli Mallett pointed me at the following reproduceable problem on my > -current notebook with userland/kernel dated Dec 29: > > paprika:~/freebsd/test/pthread> ./test > 1 > 2 > 1 > 2 > 1 > 2 > load: 0.02 cmd: test 910 [running] 0.00u 0.01s 0% 824k > 1 > Bus error (core dumped) > paprika:~/freebsd/test/pthread> ./test > 1 > 2 > load: 0.23 cmd: test 914 [running] 0.00u 0.01s 0% 824k > 1 > Bus error (core dumped) > > Hitting ^T to get status information seems to break output following the > first printf after the information display. Here's the stack trace from > the test program from the first execution above: This fixes the problem for me: -- Dan Eischen Index: uthread/uthread_init.c =================================================================== RCS file: /home/ncvs/src/lib/libc_r/uthread/uthread_init.c,v retrieving revision 1.44 diff -u -r1.44 uthread_init.c --- uthread/uthread_init.c 6 Jan 2003 00:56:23 -0000 1.44 +++ uthread/uthread_init.c 10 Jan 2003 20:27:05 -0000 @@ -220,7 +220,7 @@ _pthread_page_size = getpagesize();; _pthread_guard_default = _pthread_page_size; - sched_stack_size = _pthread_page_size; + sched_stack_size = 4 * _pthread_page_size; _pthread_attr_default.guardsize_attr = _pthread_guard_default; To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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