Fabian Keil wrote: > Andre Oppermann <andre_at_freebsd.org> wrote: > > >>Pawel Worach wrote: >> >>>Andre Oppermann wrote: >>> >>> >>>>I'm looking into the problem. Please try a binary FTP transfer as >>>>well and check if the checksums match. ftpd uses sendfile(2) as well >>>>but w/o headers or trailers and does the send in one swoop. >>>> >>> >>>Oh, didn't think of that, ftpd is ok, transferring a 64MB file does >>>not trash it. Meanwhile a couple of other things where tested, SMP >>>disabled (removed from kernel config), added some printf's which when >>>printing to a serial console moves the offset where the breakage >>>begins to 0x01000000, sometimes. >> >>OK, I found the bug. The sent byte count reporting was incorrect. While >>doing the sendfile(2) rewrite I got lost in the mixup of the FreeBSD 4.x >>bug for bug compatibility. >> >>Please try this patch: >> >> http://people.freebsd.org/~andre/sendfile_fix-20061112.diff >> >>It fixes apache 2.0.59 for me. > > > For me too, but I'm still seeing problems with Gatling/0.8. > > [fk_at_tor ~]$ fetch http://127.0.0.1:8000/pfstat-queues.png > pfstat-queues.png 78% of 5206 B 2706 kBps > fetch: pfstat-queues.png appears to be truncated: 4096/5206 bytes > [fk_at_tor ~]$ fetch http://127.0.0.1:8000/pfstat-queues.png > pfstat-queues.png 78% of 5206 B 1484 kBps > fetch: pfstat-queues.png appears to be truncated: 4096/5206 bytes > [fk_at_tor ~]$ fetch http://127.0.0.1:8000/pfstat.png > pfstat.png 83% of 4929 B 1881 kBps > fetch: pfstat.png appears to be truncated: 4096/4929 bytes > [fk_at_tor ~]$ fetch http://127.0.0.1:8000/pfstat.png > pfstat.png 83% of 4929 B 1777 kBps > fetch: pfstat.png appears to be truncated: 4096/4929 bytes > > PNG files always seem to be truncated after 4096 bytes, > the same files are delivered with Apache without problems. I'm sorry but I can't find out where gatling calls sendfile to inspect the parameters it uses. > This is on FreeBSD 7.0-CURRENT #20: Sun Nov 12 16:24:32 CET 2006 > with your patch and without Joe's one. -- AndreReceived on Sun Nov 12 2006 - 20:09:39 UTC
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