On Fri, Mar 18 2005, Jens Axboe wrote:
Hi,
There is a problem with the way sdev is freed currently. The reason is
really that there is a circular referencing problem: the sdev needs to
hold on to the queue, but the queue (through the request function) also
needs to hold on to the sdev.
On Mon, 2005-03-21 at 15:59 +0100, Jens Axboe wrote:
This is not even enough, since the queue lock is embedded in sdev
structure. Guys, this is a serious issue. Oopsing a kernel is trivial
with a hotplug device like a usb stick.
Do you have the instructions to reproduce and a trace ... I've
On Mon, Mar 21 2005, James Bottomley wrote:
On Mon, 2005-03-21 at 15:59 +0100, Jens Axboe wrote:
This is not even enough, since the queue lock is embedded in sdev
structure. Guys, this is a serious issue. Oopsing a kernel is trivial
with a hotplug device like a usb stick.
Do you have the
Hi,
There is a problem with the way sdev is freed currently. The reason is
really that there is a circular referencing problem: the sdev needs to
hold on to the queue, but the queue (through the request function) also
needs to hold on to the sdev.
The easiest way to work-around this problem is
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