[linux-lvm] Problems with lvm 0.9

[Diehl, Jeffrey]

Well, as it turns out, one of the patches became available for 2.2.17 so I
am in good shape now.

For the record, I want to use mosix, LVM, IPsec, and Jfs in both of my Linux
machines.

Thanx, tho.

Mike Diehl.

> -----Original Message-----
> From: Nils Juergens [mailto:nils at muon.de]
> Sent: November 28, 2000 3:47 PM
> To: Linux LVM Mailing List
> Subject: [linux-lvm] Problems with lvm 0.9
> 
> 
> Dear List,
> 
> i'm having some problems with lvm 0.9. I'm testing it on a newly
> installed debian 2.2.
> 
> After downloading linux-2.4.0-test10 and applying both
> linux-2.4.0-test10-VFS-lock.patch and lvm-0.9-2.4.0-test10.patch, i
> configure my kernel for lvm support, compile and install the
> userspace-tools and boot my new kernel.
> 
> Next, i run vgscan, create a PV and a VG with just the one PV. Then i
> create some LV's in my VG, create filesystems on them, mount them and
> copy some data to and fro. So far so good.
> 
> Now here comes the trouble: i tried to add another PV to my VG with
> vgextend, after successfully creating my PV. So i do
> 
> vgextend /dev/volumes /dev/hda6, and i get a kernel oops and vgextend
> segfaults.
> 
> --------------------------------------------------------------
> ----------
> vgextend -- INFO: maximum logical volume size is 255.99 Gigabyte
> Unable to handle kernel NULL pointer dereference at virtual 
> address 0000002c
> printing eip:
> c018ddf3
> *pde = 00000000
> Oops: 0000
> CPU:    0
> EIP:    0010:[<c018ddf3>]
> EFLAGS: 00010246
> eax: 00002f2f   ebx: 00000000   ecx: 00000000   edx: 0000002f
> esi: 0000002c   edi: 0000002c   ebp: 00000000   esp: c17a1d8c
> ds: 0018   es: 0018   ss: 0018
> Process vgextend (pid: 1733, stackpage=c17a1000)
> Stack: 00000000 c1d91000 0804f270 c1d91000 c1d91000 c018bd9e 
> c1d91000 00000000 
>        0804f270 c1d91000 00000007 4004fe03 c0255340 c0189a22 
> c1d91000 0804f270 
>        c13ff4a0 0804f270 4004fe03 ffffffe7 c136d054 000006f2 
> 00000282 0804f270 
> Call Trace: [<c018bd9e>] [<c0189a22>] [<c01f7560>] 
> [<ff313230>] [<c011d4f0>] [<c01c528a>] [<c0125e30>] 
>        [<c011f30d>] [<c0120237>] [<c011d395>] [<c0133db4>] 
> [<c01346b9>] [<c010ede0>] [<c012ac45>] [<c0129e60>] 
>        [<c0129d96>] [<c0137727>] [<c0108d83>] 
> Code: ac 38 e0 75 03 8d 6e ff 84 c0 75 f4 89 ea 85 d2 75 0b 89 fa 
> Segmentation fault
> --------------------------------------------------------------
> ----------
> 
> Playing around a bit more i notice that vgdisplay tells me that the
> newly added PV is part of my VG, but i cannot use that space to create
> new LV's. 
> 
> The output of "vgdisplay -v" is attatched to this mail.
> 
> "lvcreate -n test -l 293 /dev/volumes"
> --------------------------------------------------------------
> ----------
> lvcreate -- only 246 free physical extents in volume group "volumes"
> --------------------------------------------------------------
> ----------
> 
> any ideas?
> 
> Nils
> -- 
>  >   Nils Juergens  | nils at muon.de | icq 7090774   <
>  >  If we all work hard, we can turn this company  <
>  >      around 360 degrees -- gruntbert(LOTD)      <
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