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Date: Mon, 15 Dec 2008 13:24:24 -0500
From: Damian Gerow <dgerow@afflictions.org>
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Subject: Re: ural(4) hits usb/124758 (Was: Panic while using ural(4) with
	wpa_supplicant)
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Paul B. Mahol wrote:
: On 12/15/08, Kip Macy <kmacy@freebsd.org> wrote:
: > I reliably hit panics with ural(4) as well - they appear to be locking
: > related.
: 
: Correct, this PR is same as one from me - but mine is for rum driver.
: using kern.smp.disabled=1 is workaround.
: usb2_wlan_rum from usb2 doesnt have that problem - I do not use old
: usb stack any more.

I've checked out a new source, and replaced the old USB stack with the new
in an otherwise-GENERIC kernel, and I've been running with the ural device
for a few hours now, no panic.  Ordinarly, I would have paniced a handful of
times by now.

USB2 fixed it for me, too.