Re: smp dead lock of io_request_lock/queue_lock patch
From: Bill Davidsen (davidsen_at_tmr.com)
Date: 01/16/04
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Date: Fri, 16 Jan 2004 10:40:21 -0500 To: Doug Ledford <dledford@redhat.com>, Linux Kernel mailing List <linux-kernel@vger.kernel.org>
Doug Ledford wrote:
> On Thu, 2004-01-15 at 12:01, Bill Davidsen wrote:
>>"not in a released kernel..." Do I read this right? That you have a fix
>>for a critical bug and it hasn't been pushed to customers yet?
>
>
> No, you don't read this right. We have a fix for a correctness issue
> that has almost 0% chance of ever triggering in real life, has exactly 0
> bug reports of it ever happening, and which has been integrated into our
> tree. Obviously, we always push new kernels to all of our customers
> every time we have this situation, or about twice a day...
I actually had in mind a notification so customers would know it was
there if they actually see a similar problem, and a way to get the fix
if needed. Since a patch was posted, I assume that's it's not quite as
unlikely as you seem to imply.
We have two copies of RHEL-3.0 in-house, and I have a budget line item
to upgrade 38 servers from RH-8.0 this year. Since they are all SMP/SCSI
I think my concern with this bug, and the bug notification process in
general is germane. I don't want to apply fixes for problems I don't
have, but I want to know what fixes are out there so if I have a similar
problem I can apply the fix(es) which might be related before spending a
lot of time chasing the problem.
-- bill davidsen <davidsen@tmr.com> CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Previous message: Maciej Soltysiak: "Re: Linux 2.4.25-pre6"
- Maybe in reply to: Peter Yao: "smp dead lock of io_request_lock/queue_lock patch"
- Next in thread: Martin Peschke3: "Re: smp dead lock of io_request_lock/queue_lock patch"
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