From owner-freebsd-wireless@freebsd.org Thu Feb 25 19:07:21 2016 Return-Path: Delivered-To: freebsd-wireless@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id ED4ABAB4CE4 for ; Thu, 25 Feb 2016 19:07:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C44961FD0 for ; Thu, 25 Feb 2016 19:07:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u1PJ7Lsk046088 for ; Thu, 25 Feb 2016 19:07:21 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-wireless@FreeBSD.org Subject: [Bug 207497] [net80211]: 'uma_zalloc_arg: zone "32" with non-sleepable locks held' when 'sysctl net.wlan.devices' is executed Date: Thu, 25 Feb 2016 19:07:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: wireless X-Bugzilla-Version: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: avos@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-wireless@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Feb 2016 19:07:22 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207497 Bug ID: 207497 Summary: [net80211]: 'uma_zalloc_arg: zone "32" with non-sleepable locks held' when 'sysctl net.wlan.devices' is executed Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: wireless Assignee: freebsd-wireless@FreeBSD.org Reporter: avos@freebsd.org How-to-reproduce: # sysctl net.wlan.devices In dmesg: uma_zalloc_arg: zone "32" with the following non-sleepable locks held: exclusive sleep mutex ieee80211com list (ieee80211com list) r =3D 0 (0xb08e= 15a4) locked @ /usr/src/sys/modules/wlan/../../net80211/ieee80211.c:275 stack backtrace: #0 0xa06fd7c5 at witness_debugger+0x75 #1 0xa06fe9a8 at witness_warn+0x338 #2 0xa083807a at uma_zalloc_arg+0x3a #3 0xa0684678 at malloc+0x218 #4 0xa06e9fe3 at sbuf_extend+0x63 #5 0xa06e9e2d at sbuf_put_bytes+0x6d #6 0xa06ea352 at sbuf_putc_func+0x22 #7 0xa06e5b0b at kvprintf+0x99b #8 0xa06ea3ab at sbuf_printf+0x4b #9 0xb08667cf at sysctl_ieee80211coms+0xef #10 0xa06b0bcd at sysctl_root_handler_locked+0xad #11 0xa06b03e2 at sysctl_root+0x1d2 #12 0xa06b094a at userland_sysctl+0x17a #13 0xa06b0788 at sys___sysctl+0x98 #14 0xa0899378 at syscall+0x388 #15 0xa0884e7f at Xint0x80_syscall+0x2f --=20 You are receiving this mail because: You are the assignee for the bug.=