Rostislav Krasny wrote:
Hi,
May 13 03:01:29 ns1 kernel: DOH! ata_alloc_composite failed!
May 13 03:01:29 ns1 last message repeated 2 times
I'm not a FreeBSD developer but after looking at the source code I can
say that that kernel message goes from src/sys/dev/ata/ata-raid.c
because ata_alloc_composite() returns NULL in one of two or in both
locations in that file. That ata_alloc_composite() is actually a macro,
defined in src/sys/dev/ata/ata-all.h so:
#define ata_alloc_composite() uma_zalloc(ata_composite_zone, M_NOWAIT | M_ZERO)
ata_composite_zone is a global variable, that is initialized by ata_init()
in src/sys/dev/ata/ata-all.c with a value returned by uma_zcreate().
The uma_zalloc() is a wrapper of uma_zalloc_arg() and the uma_zcreate() is
a wrapper of uma_zalloc_internal().
I'm not familiar with UMA and looking on the code deeper just complicate
things. Try to rebuild the kernel with "options WITNESS". That could
help the kernel to produce more informative error/warning messages
about your problem.
You can also uncomment following #define's in src/sys/vm/uma_core.c
/* I should really use ktr.. */
/*
#define UMA_DEBUG 1
#define UMA_DEBUG_ALLOC 1
#define UMA_DEBUG_ALLOC_1 1
*/
rebuild the kernel and get more debug messages on the console. But that
will most likely make your machine working very slow. So try it at your
own risk and only if "options WITNESS" didn't help to get informative
enough logs.
After all send your logs to FreeBSD developers.
Thanks for the info. I will try putting WITNESS in the kernel. This box
has been running 6.1-RC fine for about 2 weeks. Hopefully i can catch
this again. I just hope nothing blows up, as it is a production server,
doing radius authentication for a medium sized ISP.
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