Re: Fio 2.0 coming (was "Re: Recent changes")

[Jens Axboe <axboe@kernel.dk>]

On 2011-10-15 14:55, Bruce Cran wrote:
> 
> On 15 Oct 2011, at 13:44, Jens Axboe wrote:
> 
>> Please try current -git, it should work now.
> 
> Thanks, it's fixed.
> 
> I can crash the client by pressing ctrl-c on the server:
> 
>> ./fio -S
> fio: server listening on 0.0.0.0:8765
>  and ^C> 
> ^^^^ there seems to be a random "and" printed?
> 
>> ./fio -C localhost examples/tiobench-example
> 
> ...
> 
> <muon> f3: Laying out IO file(s) (1 file(s) / 512MB)
> <muon> f3: Laying out IO file(s) (1 file(s) / 512MB)
> <muon> f3: Laying out IO file(s) (1 file(s) / 512MB)
> <muon> f4: Laying out IO file(s) (1 file(s) / 512MB)
> <muon> f4: Laying out IO file(s) (1 file(s) / 512MB)
> <muon> f4: Laying out IO file(s) (1 file(s) / 512MB)
> <muon> f4: Laying out IO file(s) (1 file(s) / 512MB)
> <muon> 
> Assertion failed: (cmdret->opcode == cmd.opcode), function fio_net_recv_cmd, file server.c, line 187.
> 
> Program received signal SIGABRT, Aborted.
> [Switching to Thread 28301140 (LWP 100220/initial thread)]
> 0x281e7207 in kill () from /lib/libc.so.7
> (gdb) bt
> #0  0x281e7207 in kill () from /lib/libc.so.7
> #1  0x280eb377 in raise () from /lib/libthr.so.3
> #2  0x281e5d3a in abort () from /lib/libc.so.7
> #3  0x281ce0c6 in __assert () from /lib/libc.so.7
> #4  0x08074f8e in fio_net_recv_cmd (sk=3) at server.c:187
> #5  0x08077f95 in fio_handle_clients () at client.c:779
> #6  0x08051033 in exec_run () at fio.c:1779
> #7  0x08051be1 in main (argc=4, argv=0xbfbfec04, envp=Error accessing memory address 0xb: Bad address.
> ) at fio.c:1904
> (gdb) 

OK, I'll take a look at that one. You are a good tester :-)

The assert itself is a fragmented packet, where a later fragment does
not match the initial opcode. Must be due to a read error not being
handled correctly.

-- 
Jens Axboe