The following reply was made to PR kern/177624; it has been noted by GNATS.
From: David Xu
To: Bruce Evans
Cc: freebsd-gnats-sub...@freebsd.org, freebsd-bugs@FreeBSD.org,
Brian Demsky
Subject: Re: misc/177624: Swapcontext can get compiled incorrectly
Date: Wed, 17 Apr 2013 17:38:02
I have worked out a patch:
http://people.freebsd.org/~davidxu/patch/libc_swapcontext.diff
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The following reply was made to PR misc/177624; it has been noted by GNATS.
From: David Xu
To: Bruce Evans
Cc: Brian Demsky , freebsd-bugs@FreeBSD.org,
freebsd-gnats-sub...@freebsd.org
Subject: Re: misc/177624: Swapcontext can get compiled incorrectly
Date: Sun, 07 Apr 2013 10:41:29
On 2013/04/05 03:38, Bruce Evans wrote:
On Thu, 4 Apr 2013, Brian Demsky wrote:
On Apr 4, 2013, at 8:16 AM, Bruce Evans wrote:
On Fri, 5 Apr 2013, Bruce Evans wrote:
On Thu, 4 Apr 2013, Brian Demsky wrote:
Description:
Here is the code for swap context:
int
swapcontext(ucontext_t *oucp,
The following reply was made to PR kern/175674; it has been noted by GNATS.
From: David Xu
To: Jilles Tjoelker
Cc: Giorgos Keramidas , Jukka Ukkonen ,
freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/175674: sem_open() should use O_EXLOCK with open() instead
of a separate flock
The following reply was made to PR kern/175674; it has been noted by GNATS.
From: David Xu
To: Giorgos Keramidas
Cc: Jukka Ukkonen , freebsd-gnats-sub...@freebsd.org,
jil...@freebsd.org
Subject: Re: kern/175674: sem_open() should use O_EXLOCK with open() instead
of a separate flock
On 2012/7/29 17:16, Bruce Evans wrote:
On Sun, 29 Jul 2012, David Xu wrote:
I have just written two quick-and-dirty test cases:
http://people.freebsd.org/~davidxu/patch/fifopipe/fifo_selectread.c
http://people.freebsd.org/~davidxu/patch/fifopipe/fifo_selectwrite.c
without patch for kernel
On 2012/7/29 9:17, David Xu wrote:
On 2012/7/29 9:02, Garrett Cooper wrote:
On Sat, Jul 28, 2012 at 5:24 PM, David Xu wrote:
On 2012/7/28 5:50, Garrett Cooper wrote:
The following reply was made to PR kern/170203; it has been noted by
GNATS.
From: Garrett Cooper
To: bug-follo
On 2012/7/29 9:02, Garrett Cooper wrote:
On Sat, Jul 28, 2012 at 5:24 PM, David Xu wrote:
On 2012/7/28 5:50, Garrett Cooper wrote:
The following reply was made to PR kern/170203; it has been noted by
GNATS.
From: Garrett Cooper
To: bug-follo...@freebsd.org, yaneg...@gmail.com
Cc:
Subject
On 2012/7/28 5:50, Garrett Cooper wrote:
The following reply was made to PR kern/170203; it has been noted by GNATS.
From: Garrett Cooper
To: bug-follo...@freebsd.org, yaneg...@gmail.com
Cc:
Subject: Re: kern/170203: [kern] piped dd's don't behave sanely when
dealing with a fifo
Date: Fri, 27
The following reply was made to PR kern/170203; it has been noted by GNATS.
From: David Xu
To: Bruce Evans
Cc: davi...@freebsd.org, Garrett Cooper ,
freebsd-bugs@FreeBSD.org, freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/170203: [kern] piped dd's don't behave sanely wh
On 2012/7/27 19:08, Bruce Evans wrote:
On Fri, 27 Jul 2012, David Xu wrote:
On 2012/7/27 10:07, Bruce Evans wrote:
I think it's working almost as expected. Large blocks give non-atomic
I/O, so the reader sees small blocks, then EOF when it gets ahead of
the writer. This always ha
The following reply was made to PR kern/170203; it has been noted by GNATS.
From: David Xu
To: Bruce Evans
Cc: Garrett Cooper , freebsd-bugs@FreeBSD.org,
freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/170203: [kern] piped dd's don't behave sanely when dealing
with a fifo
On 2012/7/27 10:07, Bruce Evans wrote:
On Thu, 26 Jul 2012, Garrett Cooper wrote:
Description:
Creating a fifo and then dd'ing across the fifo using /dev/zero
doesn't seem to yield the behavior one would expect to have; dd
should either exit thanks to SIGPIPE being sent or the count being
co
The following reply was made to PR kern/166706; it has been noted by GNATS.
From: David Xu
To: Jilles Tjoelker
Cc: bug-follo...@freebsd.org, davi...@freebsd.org, igaztan...@gmail.com
Subject: Re: kern/166706: [libc] sem_open(3) incorrectly returns the already
opened named semaphore handle when
The following reply was made to PR bin/164947; it has been noted by GNATS.
From: David Xu
To: Diomidis Spinellis
Cc: freebsd-gnats-sub...@freebsd.org
Subject: Re: bin/164947: tee looses data when writing to non-blocking file
descriptors
Date: Sat, 11 Feb 2012 11:21:38 +0800
On 2012/2/10 15
his one. Seems like I have the same problem with Dell T7400
workstation at work.
http://www.freebsd.org/cgi/query-pr.cgi?pr=161043
It is a long term bug, my machine has a USB keyboard, and a PS/2 mouse,
the PS/2 mouse never works, although Windows works fine.
Regards,
David
On 2012/1/31 16:10, David Xu wrote:
The following reply was made to PR kern/156567; it has been noted by GNATS.
From: David Xu
To: igor
Cc: bug-follo...@freebsd.org, freebsd-bugs@FreeBSD.org
Subject: Re: kern/156567: [kqueue] [patch] Add EV_CLEAR to AIO events in kqueue
Date: Tue, 31 Jan 2012
The following reply was made to PR kern/156567; it has been noted by GNATS.
From: David Xu
To: igor
Cc: bug-follo...@freebsd.org, freebsd-bugs@FreeBSD.org
Subject: Re: kern/156567: [kqueue] [patch] Add EV_CLEAR to AIO events in kqueue
Date: Tue, 31 Jan 2012 16:04:06 +0800
On 2012/1/31 4:47
applications.
The only reason I created it is because I wanted to use it for myself
and it worked flawlessly.
Please, anyone?
It is better to allocate a member field from struct sigevent for kevent
flags, we have spare fields available there, please check the union
_sigev_un.
Regards,
David Xu
Bruce Evans wrote:
On Tue, 14 Sep 2010, Tijl Coosemans wrote:
On Thu, Jul 08, 2010 at 11:29:50AM -0400, John Baldwin wrote:
> ...longjmp(3) isn't safe in a signal context...
POSIX says it's supposed to be safe:
"As it bypasses the usual function call and return mechanisms,
longjmp() shall
The following reply was made to PR kern/131597; it has been noted by GNATS.
From: David Xu
To: John Baldwin
Cc: Kostik Belousov , bug-follo...@freebsd.org,
guilla...@morinfr.org, k...@freebsd.org
Subject: Re: kern/131597: [kernel] c++ exceptions very slow on FreeBSD 7.1/amd64
Date: Tue
The following reply was made to PR kern/150138; it has been noted by GNATS.
From: David Xu
To: Dan McNulty
Cc: freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/150138: [patch] signal sent to stopped, traced process not
immediately handled on continue
Date: Tue, 31 Aug 2010 13:27:01 +
The following reply was made to PR kern/150138; it has been noted by GNATS.
From: David Xu
To: Dan McNulty
Cc: freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/150138: [patch] signal sent to stopped, traced process not
immediately handled on continue
Date: Tue, 31 Aug 2010 13:00:28 +
The following reply was made to PR kern/150138; it has been noted by GNATS.
From: David Xu
To: Dan McNulty
Cc: freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/150138: [patch] signal sent to stopped, traced process
not
immediately handled on continue
Date: Tue, 31 Aug 2010 11:09:32
The following reply was made to PR kern/131597; it has been noted by GNATS.
From: David Xu
To: bug-follo...@freebsd.org, guilla...@morinfr.org
Cc: Kostik Belousov , John Baldwin
Subject: Re: kern/131597: [kernel] c++ exceptions very slow on FreeBSD 7.1/amd64
Date: Sun, 29 Aug 2010 14:55:32
The following reply was made to PR kern/131597; it has been noted by GNATS.
From: David Xu
To: John Baldwin
Cc: Kostik Belousov , bug-follo...@freebsd.org,
guilla...@morinfr.org, k...@freebsd.org
Subject: Re: kern/131597: [kernel] c++ exceptions very slow on FreeBSD 7.1/amd64
Date: Fri
ttp://www.freebsd.org/cgi/query-pr.cgi?pr=149366
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You should link your program with libpthread, otherwise, it won't work.
Regards,
David Xu
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