From: Guided Muscle <atguarded-gizmo@yahoo.com>
To: <musl@lists.openwall.com>
Subject: Re: Musl bug, or, am I losing my mind?
Date: Thu, 31 Dec 2015 06:36:35 +0000 (UTC) [thread overview]
Message-ID: <1295998941.4272196.1451543795605.JavaMail.yahoo@mail.yahoo.com> (raw)
In-Reply-To: <1295998941.4272196.1451543795605.JavaMail.yahoo.ref@mail.yahoo.com>
Thanks all.
I have the strace outputs for the two ends of the pipe. However, I don;t know what to do with the files. What are the essential parts that I should email to this fine group?
BTW, the files are rather large.
Thank you.
--
GM
===== tail lua_strace.txt ==
write(1, "23752375237523752375237523752375"..., 15360) = 15360
write(1, "23752375237523752375237523752375"..., 492) = 492
write(1, "+7,20957:key5238->value523852385"..., 5120) = 5120
write(1, "23852385238523852385238523852385"..., 15360) = 15360
write(1, "23852385238523852385238523852385"..., 496) = 496
write(1, "+7,20961:key5239->value523952395"..., 5120) = 5120
write(1, "23952395239523952395239523952395"..., 15360) = 15360
write(1, "23952395239523952395239523952395"..., 500) = -1 EPIPE (Broken pipe)
--- stopped by SIGPIPE ---
+++ killed by SIGPIPE +++
===== tail cdb_strace.txt ==
write(3, "36523652365236523652365236523652"..., 16384) = 16384
readv(0, [{"", 0}, {"+7,20953:key5237->value523752375"..., 1024}], 2) = 1024
readv(0, [{"23752375237523752375237523752375"..., 19946}, {"7\n,20953:key5237->value523752375"..., 1024}], 2) = 19948
write(3, "36523652365236523652365236523652"..., 4096) = 4096
write(3, "37523752375237523752375237523752"..., 16384) = 16384
readv(0, [{"", 0}, {"+7,20957:key5238->value523852385"..., 1024}], 2) = 1024
readv(0, [{"23852385238523852385238523852385"..., 19950}, {"23852385238523852385238523852385"..., 1024}], 2) = 19952
writev(2, [{"cdb: (stdin): bad format\n", 25}, {NULL, 0}], 2) = 25
exit_group(2) = ?
+++ exited with 2 +++
==
--------------------------------------------
On Wed, 12/30/15, Rich Felker <dalias@libc.org> wrote:
Subject: Re: [musl] Musl bug, or, am I losing my mind?
To: musl@lists.openwall.com
Date: Wednesday, December 30, 2015, 11:07 PM
On Thu, Dec 31, 2015 at
04:10:02AM +0100, Szabolcs Nagy wrote:
>
* Szabolcs Nagy <nsz@port70.net>
[2015-12-30 22:28:33 +0100]:
> > *
Guided Muscle <atguarded-gizmo@yahoo.com>
[2015-12-30 20:04:41 +0000]:
> > >
cat o.txt | cdb -c c.cdb
> > >
FAILED: cdb: (stdin): bad format
> >
>
> > > However
> > > PASS: cdb -c c.cdb < o.txt
> >
> > my guess
is that cdb does not handle short reads properly
> >
> > but you
can see what's going on with strace
>
> another guess: if this is a musl based
system
> then there was a gcc bug that
broke fflush at
> exit so cat would
truncate the output.
>
> again strace can tell if that is the
case.
"On Debian
8" is probably not a musl-based cat.
Rich
next parent reply other threads:[~2015-12-31 6:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1295998941.4272196.1451543795605.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 6:36 ` Guided Muscle [this message]
2015-12-31 11:42 ` Szabolcs Nagy
2015-12-31 11:53 ` Szabolcs Nagy
[not found] <2021478498.4444333.1451595055186.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 20:50 ` Guided Muscle
[not found] <1229082331.4470232.1451594892445.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 20:48 ` Guided Muscle
[not found] <786818513.4541881.1451591973977.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 19:59 ` Guided Muscle
[not found] <2036560950.4461281.1451590538227.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 19:35 ` Guided Muscle
2015-12-31 19:45 ` Rich Felker
[not found] <1163254146.4344492.1451589596849.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 19:19 ` Guided Muscle
[not found] <1315337459.141890.1451583062461.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 17:31 ` Guided Muscle
2015-12-31 18:33 ` Rich Felker
2015-12-31 20:34 ` Szabolcs Nagy
2015-12-31 20:35 ` Rich Felker
[not found] <1535596338.4389758.1451579882141.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-31 16:38 ` Guided Muscle
[not found] <1337210970.4152546.1451505881575.JavaMail.yahoo.ref@mail.yahoo.com>
2015-12-30 20:04 ` Guided Muscle
2015-12-30 21:28 ` Szabolcs Nagy
2015-12-31 3:10 ` Szabolcs Nagy
2015-12-31 4:07 ` Rich Felker
2015-12-31 12:10 ` Szabolcs Nagy
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