From: "Matt Carlson" <mcarlson@xxxxxxxxxxxx> Date: Mon, 27 Feb 2012 17:24:08 -0800 > On Mon, Feb 27, 2012 at 05:44:34PM -0600, James Bottomley wrote: >> On Thu, 2012-02-23 at 23:55 +0100, Rafael J. Wysocki wrote: >> > This message has been generated automatically as a part of a summary report >> > of recent regressions. >> > >> > The following bug entry is on the current list of known regressions >> > from 3.2. Please verify if it still should be listed and let the tracking team >> > know (either way). >> > >> > >> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=42707 >> > Subject : Hang deconfiguring network interface (in shutdown) on 3.3-rc1 >> > Submitter : James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> >> > Date : 2012-01-28 19:56 (27 days old) >> > Message-ID : <1327780565.2924.24.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> >> > References : http://marc.info/?l=linux-kernel&m=132778076214873&w=2 >> >> Still present in 3.3-rc4; I've bisected it back to this commit: >> >> commit 92feeabf3f673767c6ee4cfc7fc224098446c1c1 >> Author: Matt Carlson <mcarlson@xxxxxxxxxxxx> >> Date: Thu Dec 8 14:40:14 2011 +0000 >> >> tg3: Save stats across chip resets >> >> and sure enough, just reverting this single commit on 3.3-rc4 fixes the >> problem. >> >> James > > I don't see anything incorrect about the patch. I'm guessing the patch > just changes the timing somehow. > > tg3_reset_chip() does not take any driver-internal spinlocks. That > happens at tg3_close(). I'm guessing the spinlock in the trace is coming > from synchronize_irq(). If you can't figure it out, we need to revert, so send me a revert patch as soon as possible. -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
