We are panicing when trying to register the block queue:
[ 2645.959090] kobject '<NULL>' (ffff880059ca22c0): tried to add an
uninitialized object, something is seriously wrong.
[ 2645.959104] Pid: 6, comm: events/0 Not tainted 2.6.31-5-generic #24-Ubuntu
[ 2645.959107] Call Trace:
[ 2645.959139] [<ffffffff8126ca2f>] kobject_add+0x5f/0x70
[ 2645.959151] [<ffffffff8125b4ab>] blk_register_queue+0x8b/0xf0
[ 2645.959155] [<ffffffff8126043f>] add_disk+0x8f/0x160
[ 2645.959161] [<ffffffffa01673c4>] aoeblk_gdalloc+0x164/0x1c0 [aoe]
[...]
This implies we have not initialised the device queue object, which
is gen_disk->queue, this comes from the aoedev object:
aoeblk_gdalloc(void *vp)
{
struct aoedev *d = vp;
[...]
gd->queue = &d->blkq;
[...]
}
It seems we do not ever initialise the blkq. Looking at other drivers
this is typically allocated using blk_init_queue(), whereas in this driver
it is allocated directly in the aoedev structure and never initialised
appropriatly.
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Andy Whitcroft (apw)
--
'modprobe aoe' on Karmic kernel oopses with AOE device from Jaunty
https://bugs.launchpad.net/bugs/410198
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