Thanks for replying to my email, my description in the last email was not
clear enough, so here's a supplementary note.
The NVME device I used support DBBUF, but the nvme_admin_dbbuf request
returned a failure that eventually led to the kernel crash.
The problem occurs as follows:
1, Device
On Fri, Dec 21, 2018 at 01:07:25AM +, Lulina (A) wrote:
> The case is that nvme device support NVME_CTRL_OACS_DBBUF_SUPP, and
> return failed when the driver sent nvme_admin_dbbuf. The nvmeq->dbbuf_sq_db
> point to freed memory, as nvme_dbbuf_set is called after nvme_dbbuf_init.
But we never
The case is that nvme device support NVME_CTRL_OACS_DBBUF_SUPP, and
return failed when the driver sent nvme_admin_dbbuf. The nvmeq->dbbuf_sq_db
point to freed memory, as nvme_dbbuf_set is called after nvme_dbbuf_init.
Signed-off-by: lulina
diff --git a/drivers/nvme/host/pci.c
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