Hey, it looks like the output of two threads is being interleaved one character at a time. Is that really the most efficient way to schedule threads? Anyway, so I guess I need to set stdout and stderr to be line buffered? Perhaps that should be the default setting? ...
---------------------------------------------------------------- 2006-08-22 22:49:58 4: querying (select cmdid from pfcq_study_cmdid where user=2;) 2006-08-22 22:49:58 4: duration: 0.5 msec 2006-08-22 22:49:58 4: executing (up2d0a0t6e- 0p8f-c2q2_ s2t2u:d4y9_:c5m8d i3d: sueste rc m=d i2d, =c ocmmmdaindd+ 1= wrheegries tuesre-rp=a2g;e)- vi2e0w0 6-20080-62-20 82-22:24 92:25:84 94::5 8 3d:u reaxteicount:i n0g. 3( smtsaerct t2r0a0n6s-a0c8t-i2o2n )2 2:24090:65-80 84-:2 2e x2e2c:u4t9i:n5g8 (3c:o m m idtu)r ation: 5.9e-2 msec 2006-08-22 22:49:58 3: querying (select cmdid from pfcq_study_cmdid where user=2;) 2006-08-22 22:49:58 3: duration: 0.3 msec 2006-08-22 22:49:58 3: executing (update pfcq_study_cmdid set cmdid = cmdid+1 where user=2;) ---------------------------------------------------------------- Frederik On Tue, Aug 22, 2006 at 02:43:36PM +0100, Frederik Eaton wrote: > I can't repeat it, but I can let you know if it happens again. I'm > writing with 'hPutStr', but not directly - rather via some modules in > a package I wrote. Kernel is Linux 2.6.16, libc 2.3.6, running Debian. > > Frederik > > On Tue, Aug 22, 2006 at 10:14:19AM +0100, Simon Marlow wrote: > > Can you repeat it? What API are you using to write the file? On what OS? > > > > Cheers, > > Simon > > > > Frederik Eaton wrote: > > >Sorry, forgot to say that I was using GHC 6.4.2 the first time, and > > >ghc-6.4.3.20060816 this time. > > >Frederik > > >On Mon, Aug 21, 2006 at 10:45:40PM +0100, Frederik Eaton wrote: > > >>Hi, > > >> > > >>I'm seeing some odd data corruption in a log file. Below, the second > > >>line should be a SQL query (prefixed by a timestamp). It's turned into > > >>garbage, but apparently not just random bytes. I'm using HSQL - that's > > >>the only external library, and it uses FFI, so there might be some bad > > >>memory management, but I thought I should ask if other people have > > >>seen something similar. It's the second time this has happened to me. > > >> > > >>---------------------------------------------------------------- > > >># fillUpQueue > > >>8-22010 62-20:83-12:12 62:2 :e3x1e:c2u6t:i nqgu e(rdyeilnegt e( sferloemc > > >>tp fccoqu_nstt(u*d)y > > >>_fqruoemu ep fwchqe_rset usdqy__uqsueeru e= w2h)e > > >>re sq_user = 2) > > >>2006-08-21 22:31:27: duration: 843.8 msec > > >># addToQueue > > >># getNewCards > > >># getVT > > >>2006-08-21 22:31:27: querying (select max(res_num) from > > >>pfcq_study_results where res_user = 2) > > >>2006-08-21 22:31:27: duration: 152.6 msec > > >>---------------------------------------------------------------- > > >> > > >>Regards, > > >> > > >>Frederik > > >> > > >>-- > > >>http://ofb.net/~frederik/ > > >> > > > > -- > http://ofb.net/~frederik/ > -- http://ofb.net/~frederik/ _______________________________________________ Glasgow-haskell-bugs mailing list [email protected] http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
