[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: kern/54503: Panic during attaching nvme(4) when # of logical CPUs >= 32 ?
The following reply was made to PR kern/54503; it has been noted by GNATS.
From: Rin Okuyama <rokuyama.rk%gmail.com@localhost>
To: =?UTF-8?B?SmFyb23DrXIgRG9sZcSNZWs=?= <jaromir.dolecek%gmail.com@localhost>
Cc: "gnats-bugs%NetBSD.org@localhost" <gnats-bugs%NetBSD.org@localhost>
Subject: Re: kern/54503: Panic during attaching nvme(4) when # of logical CPUs
>= 32 ?
Date: Fri, 30 Aug 2019 19:36:37 +0900
On 2019/08/30 0:12, JaromÃr DoleÄ?ek wrote:
> Le jeu. 29 aoÃ»t 2019 Ã 13:00, <coypu%sdf.org@localhost> a Ã©crit :
>> on irc jared points out
>> 50:#define MAX_INTR_SOURCES 32
> I think this is only per CPU limit.
I think so too. Actually, ixg(4) uses MSI-X interrupts with 49 vectors
when hyper threading is enabled:
Considering with wiz@'s workaround, I guess that something may go wrong
when MSI-X interrupts are established in the nvme(4) code.
Main Index |
Thread Index |