From: Matthew Dharm <mdharm-kernel@one-eyed-alien.net>
To: Greg KH <greg@kroah.com>
Cc: Alan Stern <stern@rowland.org>, linux-kernel@vger.kernel.org
Subject: Re: Daemonize() should re-parent its caller
Date: Wed, 23 Jan 2002 13:18:43 -0800 [thread overview]
Message-ID: <20020123131843.H31707@one-eyed-alien.net> (raw)
In-Reply-To: <Pine.LNX.4.33L2.0201231050440.687-100000@ida.rowland.org> <20020123205804.GA15259@kroah.com>
In-Reply-To: <20020123205804.GA15259@kroah.com>; from greg@kroah.com on Wed, Jan 23, 2002 at 12:58:04PM -0800
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He's looking at the "zombie-thread on unload" problem, which is different
from the "long delay at shutdown" problem.
Matt
On Wed, Jan 23, 2002 at 12:58:04PM -0800, Greg KH wrote:
> On Wed, Jan 23, 2002 at 10:54:44AM -0500, Alan Stern wrote:
> >
> > If the parent is init or another user process, we can reasonably
> > expect that the zombie will be reaped eventually. But what if the
> > parent is another kernel thread? This situation arises in the USB
> > mass-storage device driver, where the device manager and scsi
> > error-handler threads are spawned (indirectly) by the khubd kernel
> > thread.
>
> What problem are you seeing with the khubd and USB mass-storage kernel
> threads? There is a patch in the most recent kernel versions that
> slightly modifies the usb-storage kernel thread logic, supposedly to fix
> a problem that people were having under very long scsi timeouts.
>
> thanks,
>
> greg k-h
> -
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--
Matthew Dharm Home: mdharm-usb@one-eyed-alien.net
Maintainer, Linux USB Mass Storage Driver
Pitr! That's brilliant! Funded by Microsoft refunds. What sweet irony!
-- A.J.
User Friendly, 2/15/1999
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next prev parent reply other threads:[~2002-01-23 21:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-23 15:54 Alan Stern
2002-01-23 19:46 ` Andrew Morton
2002-01-23 20:28 ` Alan Stern
2002-01-23 20:58 ` Greg KH
2002-01-23 21:18 ` Matthew Dharm [this message]
2002-01-27 19:48 ` Alan Cox
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