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patricmutwiri / mod-spdy

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output filter sometimes fails to emit SYN_REPLY frame #6

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
On my desktop, mod_spdy works fine. On my laptop, I'm consistently getting 
2 data frames and no SYN_REPLY frame. Here's an example:

(Might want to switch to a fixed-width font)

$ hexdump -C
127.000.000.001.08080-127.000.000.001.33284
00000000  00 00 00 00 01 00 00 00  ea 48 54 54 50 2f 31 2e  
|.........HTTP/1.|
00000010  31 20 32 30 30 20 4f 4b  0d 0a 44 61 74 65 3a 20  |1 200 
OK..Date: |
00000020  54 75 65 2c 20 30 39 20  46 65 62 20 32 30 31 30  |Tue, 09 Feb 
2010|
00000030  20 32 31 3a 34 36 3a 34  32 20 47 4d 54 0d 0a 53  | 21:46:42 
GMT..S|
00000040  65 72 76 65 72 3a 20 41  70 61 63 68 65 2f 32 2e  |erver: 
Apache/2.|
00000050  32 2e 38 20 28 55 62 75  6e 74 75 29 0d 0a 4c 61  |2.8 
(Ubuntu)..La|
00000060  73 74 2d 4d 6f 64 69 66  69 65 64 3a 20 46 72 69  |st-Modified: 
Fri|
00000070  2c 20 30 35 20 46 65 62  20 32 30 31 30 20 31 35  |, 05 Feb 2010 
15|
00000080  3a 32 36 3a 30 36 20 47  4d 54 0d 0a 45 54 61 67  |:26:06 
GMT..ETag|
00000090  3a 20 22 33 65 36 31 34  39 2d 32 64 2d 34 37 65  |: "3e6149-2d-
47e|
000000a0  64 63 31 31 66 34 62 66  38 30 22 0d 0a 41 63 63  
|dc11f4bf80"..Acc|
000000b0  65 70 74 2d 52 61 6e 67  65 73 3a 20 62 79 74 65  |ept-Ranges: 
byte|
000000c0  73 0d 0a 43 6f 6e 74 65  6e 74 2d 4c 65 6e 67 74  |s..Content-
Lengt|
000000d0  68 3a 20 34 35 0d 0a 43  6f 6e 74 65 6e 74 2d 54  |h: 
45..Content-T|
000000e0  79 70 65 3a 20 74 65 78  74 2f 70 6c 61 69 6e 0d  |ype: 
text/plain.|
000000f0  0a 0d 0a 00 00 00 01 01  00 00 2d 3c 68 74 6d 6c  |..........-
<html|
00000100  3e 3c 62 6f 64 79 3e 3c  68 31 3e 49 74 20 77 6f  |><body><h1>It 
wo|
00000110  72 6b 73 21 3c 2f 68 31  3e 3c 2f 62 6f 64 79 3e  
|rks!</h1></body>|
00000120  3c 2f 68 74 6d 6c 3e 0a                           |</html>.|
00000128

Original issue reported on code.google.com by bmcqu...@google.com on 10 Feb 2010 at 1:48

GoogleCodeExporter commented 8 years ago 
Issue 5 has been merged into this issue.

Original comment by bmcqu...@google.com on 21 Feb 2010 at 1:46

GoogleCodeExporter commented 8 years ago 
For reference, we determined that the issue was using the wrong apr.h, which 
specified 
that sizeof void* was 8. On 32 bit systems this is wrong. This caused alignment 
issues 
which caused us to dereference the wrong part of the request_rec structure. 
Matthew 
found the issue and we've verified that it's fixed on both 32 bit laptops.

Original comment by bmcqu...@gmail.com on 27 Feb 2010 at 2:33

GoogleCodeExporter commented 8 years ago 
The code to fix this is
http://code.google.com/p/mod-spdy/source/detail?r=111
http://code.google.com/p/mod-spdy/source/detail?r=114
http://code.google.com/p/mod-spdy/source/detail?r=115

Original comment by bmcqu...@google.com on 27 Feb 2010 at 2:41

GoogleCodeExporter commented 8 years ago 
Fixed by matthew.

Original comment by bmcqu...@google.com on 1 Mar 2010 at 4:56