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Date: Mon, 26 Feb 2007 18:07:48 -0500 From: Chuck Ebbert <cebbert@...hat.com> To: Stephen Hemminger <shemminger@...ux-foundation.org> CC: linux-kernel <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org Subject: Re: netconsole module cannot be removed Stephen Hemminger wrote: > On Mon, 26 Feb 2007 15:35:11 -0500 > Chuck Ebbert <cebbert@...hat.com> wrote: > >> Trying to remove netconsole, rmmod goes into a tight loop with >> 100% CPU usage. It can't be killed with 'kill -9'. Shutdown >> works, though. Kernel is 2.6.20 FC6 config, and I'm 99.9% >> sure the module signing has nothing to do with this. >> > > No it probably has to do with printing a message during module removal. > Works fine in 2.6.19.5 Hangs in vanilla 2.6.20 in netpoll_cleanup() Call trace: flush_cpu_workqueue flush_workqueue cancel_rearming_delayed_workqueue netpoll_cleanup sys_delete_module It varies, but is always in one of the first three functions when you do alt-sysrq-p. - 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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