[linux-lvm] kernel-Oops in 2.4.19 with LVM-1.0.5 + devfs
Heinz J . Mauelshagen
mauelshagen at sistina.com
Wed Aug 14 06:07:02 UTC 2002
Kaoru,
thanks for pointing this one out :)
It is the only occurence where we forgot to store the return value.
Patch looks correct to me.
Will integrate and test...
Soon to be in CVS in branch LVM_BRANCH_1-0.
Regards,
Heinz -- The LVM Guy --
On Wed, Aug 14, 2002 at 03:07:44PM +0900, kaoru at bsd.tnes.nec.co.jp wrote:
> Hi,
>
> When I executed the following commands, I get oops
> running under 2.4.19-rc3 kernel with LVM-1.0.5 + devfs.
>
> # lvrename /dev/vg11/lv11_01 /dev/vg11/lv11_01new
> # vgdisplay -v vg11
>
> I executed "cat /proc/partitions" instead of "vgdisplay",
> oops occurred, too.
>
> I think that the cause of this is the return value of
> lvm_fs_create_lv() is ignored which is called within
> a lvm_do_lv_rename function.
>
> I made the following patch for this problem, and it seems
> to work. Any comments?
>
> ---8<-----------8<----------8<----------8<----------8<----------
>
> --- linux/drivers/md/lvm.c.orig Fri Aug 2 08:51:06 2002
> +++ linux/drivers/md/lvm.c Fri Aug 2 08:50:48 2002
> @@ -2710,6 +2710,7 @@
> {
> lvm_fs_remove_lv(vg_ptr, lv_ptr);
> strncpy(lv_ptr->lv_name, lv_req->lv_name, NAME_LEN);
> + lvm_gendisk.part[MINOR(lv_ptr->lv_dev)].de =
> lvm_fs_create_lv(vg_ptr, lv_ptr);
> break;
> }
>
> ---8<-----------8<----------8<----------8<----------8<----------
>
> --------------------
> Kaoru
>
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*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
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Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen at Sistina.com +49 2626 141200
FAX 924446
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