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From: John David Anglin <dave.anglin@bell.net>
To: Rolf Eike Beer <eike-kernel@sf-tec.de>, linux-parisc@vger.kernel.org
Subject: Re: pagefaults and hang with 5.15.11
Date: Mon, 24 Jan 2022 12:41:27 -0500	[thread overview]
Message-ID: <a23a26c3-6760-33e1-a390-5f51b103dd17@bell.net> (raw)
In-Reply-To: <f872b4fc-2d26-5b89-c985-261966c9f49d@bell.net>

On 2022-01-24 12:24 p.m., John David Anglin wrote:
> Faulting instruction is "ldw 18(r3),r24".  Address in $r3 (and $r5) seems bad.  Think the sglist argument
> to sba_unmap_sg() is bad.  Don't have a clue as to why this might be.
Maybe try interchanging operands of following &&

         while (sg_dma_len(sglist) && nents--) {

so nents is checked first.

Dave

-- 
John David Anglin  dave.anglin@bell.net


  reply	other threads:[~2022-01-24 17:41 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-26 16:21 pagefaults and hang with 5.15.11 Rolf Eike Beer
2021-12-26 17:22 ` John David Anglin
2021-12-27 14:30   ` Rolf Eike Beer
2021-12-28 21:55     ` Rolf Eike Beer
2022-01-01 22:12       ` Sven Schnelle
2022-01-01 22:28         ` Rolf Eike Beer
2022-01-02 10:24           ` Sven Schnelle
2022-01-02 22:42             ` John David Anglin
2022-01-02 22:53               ` Helge Deller
2022-01-02 23:14                 ` John David Anglin
2022-01-05  7:42         ` Rolf Eike Beer
2022-01-05 12:08           ` Helge Deller
2022-01-06  0:40         ` Rolf Eike Beer
2022-01-23 11:53   ` Rolf Eike Beer
2022-01-23 13:51     ` John David Anglin
2022-01-23 14:36       ` Helge Deller
2022-01-24  6:41     ` Rolf Eike Beer
2022-01-24 17:24       ` John David Anglin
2022-01-24 17:41         ` John David Anglin [this message]
2022-01-25 16:54           ` Rolf Eike Beer
2022-01-25 17:26             ` John David Anglin

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