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#26 2010-11-18 18:25:18

faelar
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From: Amiens (FR)
Registered: 2007-12-18
Posts: 232
Website

Re: cower and burp: fast and simple AUR {up,down}loading

I can reproduce it :

.bashrc wrote:

alias cower="cower -t ~/Downloads"

[19:23 faelar ~] pacman -Qs cower
local/cower 2.5.4-1
    A simple AUR agent with a pretentious name

[19:00 faelar ~] cower -ud --debug
debug: Initializing alpm
[...]
debug: download requested: discount
debug: Initializing curl handle
debug: Fetching URL http://aur.archlinux.org/packages/disco … unt.tar.gz
:: discount downloaded to /home/faelar
debug: releasing handles

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#27 2010-11-18 18:28:58

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641
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Re: cower and burp: fast and simple AUR {up,down}loading

$ which cower
cower: aliased to cower --color=always --target /home/bogdan/pkgbuilds

works for me

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#28 2010-11-18 18:40:31

falconindy
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From: New York, USA
Registered: 2009-10-22
Posts: 4,097
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Re: cower and burp: fast and simple AUR {up,down}loading

Only thing I can say is double check to make sure .bashrc is actually getting sourced. 'alias cower' alone will show the effective alias, or an error if there's none defined.

edit: man, the debugging in 2.x sucks. it's actually useful in 3.x!

$ ./cower --debug -dt tmp discount
debug: adding discount to targets
debug: initializing curl
debug: initializing alpm
debug: setting alpm RootDir to /
debug: setting alpm DBPath to: /var/lib/pacman/
debug: ignoring package: make
debug: registering alpm db: testing
debug: registering alpm db: core
debug: registering alpm db: extra
debug: registering alpm db: community-testing
debug: registering alpm db: community
debug: working directory set to: /home/noclaf/src/c/cower/tmp
debug: thread[0xb72eeb70]: spawned with arg: discount
debug: thread[0xb72eeb70]: locking alpm mutex
debug: thread[0xb72eeb70]: unlocking alpm mutex
debug: performing curl operation on http://aur.archlinux.org/rpc.php?type=info&arg=discount
debug: ---> thread[0xb72eeb70]: entering critical
debug: <--- thread[0xb72eeb70]: leaving critical
:: discount downloaded to /home/noclaf/src/c/cower/tmp
debug: thread[0xb72eeb70]: joined
debug: releasing curl
debug: releasing alpm

Last edited by falconindy (2010-11-18 18:42:05)

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#29 2010-11-19 17:58:36

faelar
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From: Amiens (FR)
Registered: 2007-12-18
Posts: 232
Website

Re: cower and burp: fast and simple AUR {up,down}loading

My bash prompt is set correctly, and I did not change my .bashrc between the updates. Plus, cower -s works as intended. That's why I believe this is a change in cower that leads me to this error...

Output of alias cower :

[18:54 faelar ~] alias cower
alias cower='cower -t ~/Downloads'

It's not a big deal though, I can leave with that wink

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#30 2010-11-19 18:17:39

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641
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Re: cower and burp: fast and simple AUR {up,down}loading

no, really.. is something wrong with your shell.. on zsh is working ok.

┌─[bogdan][~]
└─╼ alias cower
cower='cower -t ~/Downloads'
┌─[bogdan][~]
└─╼ cower -d kernel26-slk
:: kernel26-slk downloaded to /home/bogdan/Downloads

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#31 2010-11-19 20:09:30

faelar
Member
From: Amiens (FR)
Registered: 2007-12-18
Posts: 232
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Definitly something related to cower. I downgraded to version 2.5.3 and it works as expected :

[21:07 faelar ~] cower -ud
!! /home/faelar/Downloads/cower already exists.
   Use -f to force this operation.
!! /home/faelar/Downloads/discount already exists.
   Use -f to force this operation.

Strange...

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#32 2010-11-19 20:17:08

falconindy
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From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Yep, you're right. I broke this when I added threading to the update codepath. It only affects the combination of -ud. I'll find time to fix this and hopefully tag a new release by the end of the weekend.

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#33 2010-11-19 20:24:28

faelar
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From: Amiens (FR)
Registered: 2007-12-18
Posts: 232
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Thank you falconindy smile

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#34 2010-11-19 20:52:47

skwid
Member
Registered: 2009-09-20
Posts: 105

Re: cower and burp: fast and simple AUR {up,down}loading

Holy crap!  I've been wanting something like this forever...  Thanks a million!

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#35 2010-11-20 02:42:14

falconindy
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From: New York, USA
Registered: 2009-10-22
Posts: 4,097
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Re: cower and burp: fast and simple AUR {up,down}loading

faelar wrote:

Thank you falconindy smile

And fixed. Opted to just roll up 2.5.4-2 with a patch. Burped to the AUR. wink

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#36 2010-12-30 20:31:57

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641
Website

Re: cower and burp: fast and simple AUR {up,down}loading

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#37 2010-12-30 20:35:29

falconindy
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From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Any chance you've got something in dmesg about the segfault? I suspect this is happening in curl, not in cower. I've seen it a few times before but I can never reliably reproduce it.

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#38 2010-12-30 20:40:51

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641
Website

Re: cower and burp: fast and simple AUR {up,down}loading

cower[18017]: segfault at 7ff5173018cc ip 00007ff5186ba0c2 sp 00007ff5141f1ee8 error 7 in libcurl.so.4.2.0[7ff518691000+53000]

indeed. but this segfault wasn't there using the previous version of cower..

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#39 2010-12-30 20:47:02

falconindy
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From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Is this something you can reliably reproduce? If it is, I need you to:

1) re-compile openssl with PURIFY. Get the PKGBUILD from abs and add 'CPPFLAGS=-DPURIFY' to the make invocation.
2) post the output of: LD_PRELOAD=/path/to/purified/libcrypto.so valgrind cower --debug -u --target .... --color

If not, I have a few ideas of my own I'll be looking into tonight.

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#40 2010-12-30 21:04:23

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641
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Re: cower and burp: fast and simple AUR {up,down}loading

yes, it is.

here's the output http://pastebin.com/AW5j0tkS

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#41 2010-12-30 21:31:15

falconindy
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From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

I'm pretty sure this is a libcurl issue. A timeout is handled just like any other error, so task_query returns NULL just as it would if you were to get a 404 response. The line that sets the timeout is line 587 in 2.9.9:

   curl_easy_setopt(handle, CURLOPT_CONNECTTIMEOUT, 10L);

Can you delete this and see if cower behaves?

Last edited by falconindy (2010-12-30 21:31:23)

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#42 2010-12-30 21:38:26

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641
Website

Re: cower and burp: fast and simple AUR {up,down}loading

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#43 2010-12-30 21:41:17

falconindy
Developer
From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Ok, that's somewhat reassuring, but I have one other thought. Put the timeout back in, and right after that line, add the following:

curl_easy_setopt(handle, CURLOPT_NOSIGNAL, 1L);

I suspect this is a better solution (provided it works, and I think it will).

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#44 2010-12-30 21:50:10

JokerBoy
Member
From: România
Registered: 2009-09-24
Posts: 641
Website

Re: cower and burp: fast and simple AUR {up,down}loading

errors are back. http://pastebin.com/ikxiWG7y

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#45 2010-12-30 21:55:41

falconindy
Developer
From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Yeah but those are the kinds of errors that I'm happier to see. No segfaults on timeouts! Hurray for me bothering to RTFM.

The connect timeout is 10 seconds, which I thought was more than sufficient. Is cower really taking 10 seconds to connect?

Note to self: need better thread info on some of that debug output...

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#46 2010-12-30 21:59:56

JokerBoy
Member
From: România
Registered: 2009-09-24
Posts: 641
Website

Re: cower and burp: fast and simple AUR {up,down}loading

~20 seconds in fact..

although time cower --color=always --target /home/bogdan/pkgbuilds -u output is 0.53s user 0.04s system 2% cpu 20.494 total

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#47 2010-12-30 22:07:17

falconindy
Developer
From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

Yikes. Ok, I hadn't considered that. I assume its a geographic/ISP thing? I'm not thrilled with the way I'm handling timeouts anyways, so this may just go away. It's not clear how useful it is.

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#48 2010-12-31 11:33:06

JokerBoy
Member
From: România
Registered: 2009-09-24
Posts: 641
Website

Re: cower and burp: fast and simple AUR {up,down}loading

no, it's not geographic/ISP thing. like i said before, the previous version worked ok. right ~1 min after i upgraded it to the last version, bum, segfaults & timeouts..

right now i'm using

curl_easy_setopt(handle, CURLOPT_CONNECTTIMEOUT, 30L);
curl_easy_setopt(handle, CURLOPT_NOSIGNAL, 1L);

no timeouts & no segfaults.. i hope you find a fix for this soon..

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#49 2010-12-31 13:24:53

falconindy
Developer
From: New York, USA
Registered: 2009-10-22
Posts: 4,097
Website

Re: cower and burp: fast and simple AUR {up,down}loading

So does that mean that 2.9.8 didn't take 20 seconds to run an update?

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#50 2010-12-31 13:35:00

JokerBoy
Member
From: România
Registered: 2009-09-24
Posts: 641
Website

Re: cower and burp: fast and simple AUR {up,down}loading

well, i tested it again to be exact.. ~20-25 sec.. and there are not any segfaults and timeouts errors.

from a diff, i see that "curl_easy_setopt(handle, CURLOPT_CONNECTTIMEOUT, 10L);" is new to 2.9.9.. i think is related to this in some way..

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