Re: [squid-users] COSS causing squid Segment Violation on FreeBSD 6.2S (store_io_coss.c)

On Thu, 26 Apr 2007, Adrian Chadd wrote:

> Change:
>
> xmemcpy(p, buf, len);
>
> to be:
>
> if (errflag == 0) {
> assert(len >= 0);
> xmemcpy(p, buf, len);
> }
>
> That should stop the crashes but it won't stop the IO errors and I'm not
> quite sure whether COSS will return crap to the client request or not.
> COSS should at least return a read failure back up to Squid and I'm
> sure things will be fine from there.
>
> Let me know if that stops the crashes and I'll go and commit a patch.

It does stop the crashes, but I'm getting a lot of errors, so of which
appear to be new ones:

2007/04/26 15:12:17| COSS: /dev/amrd1: Rebuild Completed
2007/04/26 15:12:17| 81219 objects scanned, 144 objects relocated, 555
objects fresher, 9346 objects ignored
2007/04/26 15:12:18| Completed Validation Procedure
2007/04/26 15:12:18| Validated 143160 Entries
2007/04/26 15:12:18| store_swap_size = 2576724k
2007/04/26 15:12:19| storeLateRelease: released 4996 objects
2007/04/26 15:12:21| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:29| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:29| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:29| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:29| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:36| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:38| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:39| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:39| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:39| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:39| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:39| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:39| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:12:39| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:18| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:31| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:31| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:32| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:32| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:32| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:32| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:32| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:32| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:32| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:33| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:13:41| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:14:23| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:14:35| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:14:35| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:00| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:24| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:33| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:45| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:45| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:56| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:56| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:56| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:56| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:56| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:56| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:57| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:15:57| squidaio_queue_request: WARNING - Queue congestion
2007/04/26 15:16:04| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:07| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:08| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:14| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/css/product_styles.css'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/css/print.css'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/css/aa_homepage_styles.css'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/css/tools.css'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/css/leftNav.css'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/css/topnav.css'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/javascript/metafaqs.js'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/images/topnav/mainlogo.gif'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/images/common/bg_body.png'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/images/topnav/meta_faq_button.gif'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| ctx: enter level 0:
'http://www.theaa.com/touchclarity/logging.js'
2007/04/26 15:16:19| WARNING: failed to unpack meta data
2007/04/26 15:16:19| ctx: exit level 0
2007/04/26 15:16:19| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:20| ctx: enter level 0:
'http://www.theaa.com/touchclarity/logging-code.js'
2007/04/26 15:16:20| WARNING: failed to unpack meta data
2007/04/26 15:16:20| ctx: exit level 0
2007/04/26 15:16:20| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:20| ctx: enter level 0:
'http://www.theaa.com/touchclarity/optimise.js'
2007/04/26 15:16:20| WARNING: failed to unpack meta data
2007/04/26 15:16:20| ctx: exit level 0
2007/04/26 15:16:20| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:20| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:20| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:20| storeCossCompletePendingReloc: got failure (-1)
2007/04/26 15:16:20| ctx: enter level 0:
'http://www.theaa.com/touchclarity/logging.html'
2007/04/26 15:16:20| WARNING: failed to unpack meta data
2007/04/26 15:16:20| ctx: exit level 0
2007/04/26 15:16:20| ctx: enter level 0:
'http://www.theaa.com/images/homepage/travel/travel_newsflash_title.gif'
2007/04/26 15:16:20| WARNING: failed to unpack meta data
2007/04/26 15:16:20| ctx: exit level 0
2007/04/26 15:16:20| ctx: enter level 0:
'http://www.theaa.com/images/homepage/travel/travel_newflash_button.gif'
2007/04/26 15:16:20| WARNING: failed to unpack meta data
2007/04/26 15:16:20| ctx: exit level 0
2007/04/26 15:16:20| ctx: enter level 0:
'http://www.theaa.com/images/homepage/travel/travel_newflash_bg.jpg'
2007/04/26 15:16:20| WARNING: failed to unpack meta data

Cheers.

-- 
Mark Powell - UNIX System Administrator - The University of Salford
Information Services Division, Clifford Whitworth Building,
Salford University, Manchester, M5 4WT, UK.
Tel: +44 161 295 4837  Fax: +44 161 295 5888  www.pgp.com for PGP key