netdev - Re: 2.6.24 BUG: soft lockup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 26 Mar 2008 10:31:34 -0700
From:	Rick Jones <rick.jones2@...com>
To:	Matheos Worku <Matheos.Worku@....COM>
CC:	netdev@...r.kernel.org
Subject: Re: 2.6.24 BUG: soft lockup - CPU#X

Matheos Worku wrote:
> All,
> 
> While running iperf (transmit) on NIU driver I get several soft lockup 
> errors.  I have seen similar soft lockup errors on kernels 2.6.18 and 
> later (with other 10G NIC drivers with LSO disabled) but it is more 
> frequent/pronounced on 2.6.24 kernel.  oprofile is not giving  much clue 
> as where the cpus are spending time (atleast doesn't indicate any thing 
> abnormal in the driver(s)). 

Is oprofile running on an AMD processor able to profile where/when 
interrupts are disabled?  If not there could be a fair bit missing from 
the profile.

rick jones
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html