From: Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Or Gerlitz <ogerlitz-hKgKHo2Ms0FWk0Htik3J/w@public.gmane.org>,
Linux RDMA list
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
ewg-ZwoEplunGu1OwGhvXhtEPSCwEArCW2h5@public.gmane.org,
Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Subject: Re: Possible process deadlock in RMPP flow
Date: Sun, 27 Sep 2009 10:01:25 +0200 [thread overview]
Message-ID: <20090927080125.GB28876@mtls03> (raw)
In-Reply-To: <53F5ED0C557B4667B22A27A0459B800B-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
On Thu, Sep 24, 2009 at 08:53:24AM -0700, Sean Hefty wrote:
> >Thanks Or. This one is already in OFED 1.4.2 but apparently this is a
> >different problem. Once I have information whether the patch Roland
> >posted fixed it I will update the list.
>
> If ibnetdiscover doesn't use RMPP as Hal indicated, I don't think Roland's patch
> will help.
Right, it doesn't help. Still it appears that ibnetdiscover triggers
this problem and the lock seams to appear at ib_cancel_rmpp_recvs()
waiting for flush_workqueue() to return. Do you know which apps or
ULPs make use of RMPPs?
Any other ideas what this could be?
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next prev parent reply other threads:[~2009-09-27 8:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 15:04 Possible process deadlock in RMPP flow Eli Cohen
2009-09-23 16:08 ` Sean Hefty
[not found] ` <7A32EEE20DF5432CADB60B8F8B1E0093-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-09-23 16:20 ` Hal Rosenstock
2009-09-23 17:25 ` Eli Cohen
2009-09-24 6:38 ` Or Gerlitz
[not found] ` <4ABB13F3.1060702-hKgKHo2Ms0FWk0Htik3J/w@public.gmane.org>
2009-09-24 7:36 ` Eli Cohen
2009-09-24 15:53 ` Sean Hefty
[not found] ` <53F5ED0C557B4667B22A27A0459B800B-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-09-27 8:01 ` Eli Cohen [this message]
2009-10-04 7:04 ` Or Gerlitz
[not found] ` <4AC8BE74.3050200@mellanox.co.il>
[not found] ` <4AC8BE74.3050200-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2009-10-19 20:30 ` Sean Hefty
[not found] ` <BFC792E8570C48B8981C34F913243887-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-20 6:06 ` [ewg] " Tziporet Koren
2009-10-20 7:48 ` Eli Cohen
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