From owner-freebsd-stable@FreeBSD.ORG Thu May 5 20:44:21 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DE013106566C for ; Thu, 5 May 2011 20:44:21 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-qy0-f175.google.com (mail-qy0-f175.google.com [209.85.216.175]) by mx1.freebsd.org (Postfix) with ESMTP id 94E7E8FC12 for ; Thu, 5 May 2011 20:44:21 +0000 (UTC) Received: by qyk35 with SMTP id 35so4444775qyk.13 for ; Thu, 05 May 2011 13:44:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=qsSHLt74gNp1Bs1xK5L9pnzKW+/Qw1AibH6XRnGKIlE=; b=BYWU144bUL4S1aDnkJIfVZ109oGaZWItXxBAo3wNNnibsa41V3QMxhdhqRol3iIU1k M3/0HF1DMxSsgmHWVlSnUNpKo2OIywHNI+tn1ZsG0UmWsQ6bxWJbsd15tCo1/bdrYQVP zVhWd5KYqoMhv/4czLq1Fc13kBEpzIKlGOnXk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=Dld+qObN+XKLS7PIxVTzpqIlSx9HOzvf4IsPSboKG1yhB7ZGcR47J/1BXMiYnlnKKW cWW2Tqu1SOGzcOM7v9sFTsadFHKOtioz4CdcCVHT2cTlUfL3jYL6SNQX7A3NeBtcD2Cx TxzFhP7Ef0MMz7DEiBYp94JSe9uNY6bYJa5kI= MIME-Version: 1.0 Received: by 10.52.76.193 with SMTP id m1mr407922vdw.204.1304628260313; Thu, 05 May 2011 13:44:20 -0700 (PDT) Received: by 10.52.184.169 with HTTP; Thu, 5 May 2011 13:44:20 -0700 (PDT) In-Reply-To: References: Date: Thu, 5 May 2011 13:44:20 -0700 Message-ID: From: Jack Vogel To: Zaphod Beeblebrox Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: FreeBSD Stable Subject: Re: Intel "em" driver sleeps with non-sleepable lock. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 May 2011 20:44:21 -0000 So, this happens EVERY time after an install of 8.2 ?? Give me details about the hardware please. Jack On Thu, May 5, 2011 at 11:11 AM, Zaphod Beeblebrox wrote: > The motherboard in question is made by Intel and contains a Xeon 3440 > (4 core x 2 HT per core). 16 Gig of RAM is installed and we are > installing the 64 bit FreeBSD 8.2 using the PC-BSD installer (to > install zfs root faster). The motherboard has 4 "igb" ethernet and > one "em" ethernet. The "em" ethernet is shared with an internal > "RMM3" remote management card and/or the onboard ILOM. This error > happens when rebooting after installation and is repeatable with at > least FreeBSD 8.1 and FreeBSD 8.2. > > The last boot message is "Starting devd" ... so I assume that the > active link on em0 might be making devd start dhclient. After this > last boot message, the screen reads: > > Sleeping thread (tid 100195, pid 619) owns a non-sleepable lock > panic: sleeping thread > cpuid = 2 > KDB: stack backtrace: > #0 0xffffffff805f4e03 at kdb_backtrace+0x5e > #1 0xffffffff805c2d07 at panic+0x187 > #2 0xffffffff80601a5d at propagate_priority+0x1cd > #3 0xffffffff8060278a at turnstile_wait+0x1aa > #4 0xffffffff805b34c0 at _mtx_lock_sleep+0xb0 > #5 0xffffffff8032fd97 at em_init_locked+0xce7 > #6 0xffffffff80331b8e at em_ioctl+0x5fe > #7 0xffffffff80671114 at ifioctl+0x9e4 > #8 0xffffffff806043c2 at kern_ioctl+0x102 > #9 0xffffffff806045fd at ioctl+0xfd > #10 0xffffffffff80600dd5 at syscallenter+0x1e5 > #11 0xffffffffff808aca5b at syscall+0x4b > #12 0xffffffffff80895292 at Xfast_syscall+0xe2 > > Now. I assume that booting without link on em0 (inconvenient) or > booting without "em" in the kernel will fix things. I'll be checking > this out shortly. > > I can provide (for a limited time) full console access and/or I can > test code if someone sees a patch for this. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >