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Weird hang problem on a niagara machine
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imcsk8
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Joined: 03 Sep 2007
Posts: 3
Location: Chihuahua México

PostPosted: Wed Jan 16, 2008 5:46 pm    Post subject: Weird hang problem on a niagara machine Reply with quote

Hello,

my T1000 hanged this moring no pings, no console, no serial connection; it was like the machine was off but it was turned on. I reseted it and it booted with no problem, when i checked the syslog file i saw some error messages about max number of connections reached written by the syslog-ng daemon. I increased the max_connections to 1000 and those messages don't show anymore. The other messages i saw after the reboot were the below kernel messages:

# uname -a
Linux vegito 2.6.18-028stab047-vegito- #2 SMP PREEMPT Sat Nov 24 16:08:08 MST 2007 sparc64 sun4v UltraSparc T1 (Niagara) GNU/Linux

Jan 16 09:58:40 vegito Kernel unaligned access at TPC[599f9c] compat_sys_msgsnd+0x70/0xcc
Jan 16 09:58:40 vegito Kernel unaligned access at TPC[59bd6c] sys_msgsnd+0x40/0x31c
Jan 16 09:58:40 vegito Kernel unaligned access at TPC[599f9c] compat_sys_msgsnd+0x70/0xcc
Jan 16 09:58:40 vegito Kernel unaligned access at TPC[59bd6c] sys_msgsnd+0x40/0x31c
Jan 16 09:58:40 vegito Kernel unaligned access at TPC[59bcdc] sys_msgrcv+0x308/0x358
Jan 16 09:58:49 vegito Kernel unaligned access at TPC[599f9c] compat_sys_msgsnd+0x70/0xcc
Jan 16 09:58:49 vegito Kernel unaligned access at TPC[59bd6c] sys_msgsnd+0x40/0x31c
Jan 16 09:58:49 vegito Kernel unaligned access at TPC[599f9c] Kernel unaligned access at TPC[59bcdc] sys_msgrcv+0x308/0x358

don't know if this is part of the problem, this is really weird 'cause no other error message is showing.

thanks for your help
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blu3bird
Retired Dev
Retired Dev


Joined: 04 Oct 2003
Posts: 610
Location: Munich, Germany

PostPosted: Thu Jan 17, 2008 9:19 am    Post subject: Reply with quote

Is updating to kernel >=2.6.20 an option?

Niagara stability has been greatly improved in 2.6.20, see http://forums.gentoo.org/viewtopic-t-551088.html
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