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Date: Mon, 4 Aug 2008 15:44:30 -0300 From: "Leandro Oliveira da Silva" <lansoweb@...mail.com> To: "'Andrew Morton'" <akpm@...ux-foundation.org>, <netdev@...r.kernel.org> Cc: <bugme-daemon@...zilla.kernel.org> Subject: RES: [Bugme-new] [Bug 11249] New: TC HTB hanging problem Hello Andrew! Just to add, 2 weeks ago one of my clients had to reboot the server 3 times during the day, so I disabled the qos and it worked fine for 3 days. After this days I started the qos again and 10 hours later the server hanged again, so it's disabled until now without hanging. Another info is that I got other server that was hanging randomly and put the users using a router but kept the server on, in the internet and with qos running and it doesn't hang in the last 10 days. So I guess it's not the qos only, but something with qos and usage by users. I have other client with same kernel, same rules running for more than 2 month and with more than 4 times the internet usage than the others and it never hanged, so it's not only high usage. I really don't know what is happening. Thanks a lot any advice, Leandro -----Mensagem original----- De: Andrew Morton [mailto:akpm@...ux-foundation.org] Enviada em: segunda-feira, 4 de agosto de 2008 14:55 Para: netdev@...r.kernel.org Cc: bugme-daemon@...zilla.kernel.org; lansoweb@...mail.com Assunto: Re: [Bugme-new] [Bug 11249] New: TC HTB hanging problem (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Mon, 4 Aug 2008 08:01:05 -0700 (PDT) bugme-daemon@...zilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=11249 > > Summary: TC HTB hanging problem > Product: Networking > Version: 2.5 > KernelVersion: 2.6.23 and 2.6.25 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: high > Priority: P1 > Component: Other > AssignedTo: acme@...stprotocols.net > ReportedBy: lansoweb@...mail.com > > > Latest working kernel version: > Earliest failing kernel version: 2.6.23 > > Distribution: Mandriva 2007.1 and 2008.0 > > Hardware Environment: > It happens in many different servers > > Software Environment: > Problem Description: > I have close to 200 servers, most with mandriva 2006.0 using kernel 2.6.15, > some with mandriva 2008.0 using kernel 2.6.23 or 2.6.25. In some of them > (kernels 2.6.23 and 2.6.25 confirmed) the server hangs at random (some servers > hang more than once a day, some once a month). > The hardware is different from each other and i have about 5 servers with > exactly the same configuration (proc, mem, ethernet, so one) and one hangs > every day while the others are running fine, all with the same rules for > traffic shapping (tc using htb). > I think that it is something related to tc because last week i accessed a > server and when i type tc del to remove the shapping it hanged. My client > restarted the server and about 10 minutes later i did it again with the same > effect. No kernel panic, no oops, just hangs. > I've read some posts and bugs but i see something related to ethernet driver > (like sk98lin), but it is happening with several servers with different > hardwares. > I have some servers with kernel 2.6.15 and, as far as i know, it doesn't happen > with them, but some of they use a different set of tc rules (a few less rules > actually) or none at all. > I don't use the kernel shippied with mandriva distro, always got kernel from > kernel.org and compilled myself. > > Steps to reproduce: > Handly, since it is random, it takes minutes or weeks to happen, but always > with some change in tc (start or stop). -- 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
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