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Message-ID: <1282746326.3667.8.camel@jlt3.sipsolutions.net> Date: Wed, 25 Aug 2010 16:25:26 +0200 From: Johannes Berg <johannes@...solutions.net> To: Tejun Heo <tj@...nel.org> Cc: lkml <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] workqueue: fix cwq->nr_active underflow On Wed, 2010-08-25 at 11:12 +0200, Tejun Heo wrote: > Yeap, without the fix patch applied, that should confirm that we're > seeing the same failure, and with the patch applied, you can add a > printk in the else part of !delayed check in cwq_dec_nr_in_flight(). > If the printk triggers and later rmmod dosen't trigger BUG_ON(), we > can be fairly sure the problem is fixed. Unfortunately, I haven't been able to trigger either code path today. I'll happily believe that this was the problem though, and will just let you know if I run into it again, I'm keeping the debug patch for now. It's certainly a valid fix regardless of whether I can reproduce the problem or not. johannes -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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