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Date: Sun, 25 May 2008 08:00:06 GMT
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To: freebsd-bugs@FreeBSD.org
From: Dmitry Demidov <dima_bsd@inbox.lv>
Cc: 
Subject: Re: kern/121962: Kernel panics with device polling and
	snd_emu10k1.ko enabled and network load
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The following reply was made to PR kern/121962; it has been noted by GNATS.

From: Dmitry Demidov <dima_bsd@inbox.lv>
To: volker@vwsoft.com
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: kern/121962: Kernel panics with device polling and  snd_emu10k1.ko enabled and network load
Date: Sun, 25 May 2008 10:58:34 +0300

 >Dmitry,
 >
 >I've just seen, you've enabled DEVICE_POLLING in kernel config. Can you
 >please try to remove that option and instead use `ifconfig em0 polling'?
 >
 >The use of 'option DEVICE_POLLING' is deprecated.
 >
 >Does that make your box not panicing?
 >
 >Thanks!
 >
 >Volker
 
 Sorry, it did not works at all. Then option DEVICE_POLLING is removed from the 
 kernel, I'm unabled to start polling mode. 
 
 # ifconfig em0
 em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
 	options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
 	ether 00:20:ed:11:11:11
 	inet 7.8.2.5 netmask 0xffffe000 broadcast 255.255.255.255
 	media: Ethernet autoselect (100baseTX <full-duplex>)
 	status: active
 
 # ifconfig em0 polling
 
 # ifconfig em0
 em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
 	options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
 	ether 00:20:ed:11:11:11
 	inet 7.8.2.5 netmask 0xffffe000 broadcast 255.255.255.255
 	media: Ethernet autoselect (100baseTX <full-duplex>)
 	status: active
 
 # sysctl -a | grep pol
 kern.dcons.poll_hz: 100
 kern.sched.topology: 0
 debug.acpi.ec.polled: 0