Sorry to touch in it again. But I was simply ignored, is this report erroneous? May I add some information to get some kind of answer about this? There is other mail list to report this?<br><br>Because Im really scared I lost ALL DATA from this volume after this happened. It was a test volume but I want to put this over real systems.
<br><br>Any tips.<br><br><br><br><div><span class="gmail_quote">On 7/3/06, <b class="gmail_sendername">Igor Morgado</b> <<a href="mailto:igormorgado.listas@gmail.com">igormorgado.listas@gmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>This happned after a drbdadm resize in my resource (I had extended the device with lvm), on a debian gnu/linux (the oops is on the end of report)<br><br>magratea:~# uname -a<br>Linux magratea 2.6.16-2-xen-686 #1 SMP Tue May 23 05:46:45 CEST 2006 i686 GNU/Linux
<br><br><br>Im running LVM on top of DRBD<br><br><br>magratea:~# lvm version<br> LVM version: 2.01.04 (2005-02-09)<br> Library version: 1.01.00-ioctl (2005-01-17)<br> Driver version: 4.5.0<br><br><br>drbd version is:
<br>Version: 8.0pre3 (api:82)<br>SVN Revision: 2169 build by root@magratea, 2006-06-29 17:09:10<br><br><br>My config (and resource of drbd)<br>global {<br> minor-count 15;<br>}<br><br>common {<br> startup {<br>
wfc-timeout 0;
<br> degr-wfc-timeout 120; # 2 minutes.<br> }<br> disk {<br> on-io-error detach;<br> }<br> net {<br> timeout 60; # 6 seconds (unit =
0.1 seconds)<br> connect-int 10; # 10 seconds (unit = 1 second)<br> ping-int 10; # 10 seconds (unit = 1 second)<br> max-buffers 2048;<br> max-epoch-size 2048;
<br> ko-count 4;<br> allow-two-primaries;<br> }<br> syncer {<br> rate 100M;<br> al-extents 257;<br> }<br>}<br><br>resource
marvin.root
{<br> protocol B;<br> on magratea {<br> device /dev/drbd0;<br> disk /dev/mapper/arr0-marvin.root;<br> address <a href="http://10.255.255.1:7788" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
10.255.255.1:7788</a>;<br> meta-disk internal;<br> }<br> on cricket {<br> device /dev/drbd0;<br> disk /dev/mapper/arr0-marvin.root;<br>
address
<a href="http://10.255.255.2:7788" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">10.255.255.2:7788</a>;<br> meta-disk internal;<br> }<br>}<br><br><br>The volume<br><br>
magratea:~# lvdisplay /dev/arr0/marvin.root<br> --- Logical volume ---
<br> LV Name /dev/arr0/marvin.root<br> VG Name arr0<br> LV UUID DFLxkR-y3by-9Q95-bs5I-iHAq-Y9eM-AWJ8J6<br> LV Write Access read/write<br> LV Status available
<br> # open 2<br> LV Size 1.00 GB<br> Current LE 256<br> Segments 1<br> Allocation inherit<br> Read ahead sectors 0<br> Block device 254:4
<br><br><br>The syslog...<br><br>Jul 3 17:49:21 magratea kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000001c<br>Jul 3 17:49:21 magratea kernel: printing eip:<br>Jul 3 17:49:21 magratea kernel: c13af1e0
<br>Jul 3 17:49:21 magratea kernel: *pde = ma 00000000 pa fffff000<br>Jul 3 17:49:21 magratea kernel: Oops: 0002 [#1]<br>Jul 3 17:49:21 magratea kernel: SMP<br>Jul 3 17:49:21 magratea kernel: Modules linked in: drbd xt_physdev iptable_filter ip_tables x_tables ipv6 bridge megaraid ext2 mbcache dm_mod ide_disk evdev mousedev tsdev hw_random sg pcspkr rtc floppy serial_core psmouse shpchp pci_hotplug serio_raw xfs exportfs sd_mod usbhid ide_cd cdrom megaraid_mbox scsi_mod megaraid_mm uhci_hcd piix ehci_hcd generic usbcore ide_core tg3 thermal processor fan
<br>Jul 3 17:49:21 magratea kernel: CPU: 0<br>Jul 3 17:49:21 magratea kernel: EIP: 0061:[<c13af1e0>] Not tainted VLI<br>Jul 3 17:49:21 magratea kernel: EFLAGS: 00010293 (2.6.16-2-xen-686 #1)<br>Jul 3 17:49:21 magratea kernel: EIP is at drbd_ioctl+0x33a/0xafd [drbd]
<br>Jul 3 17:49:21 magratea kernel: eax: 00000000 ebx: 40084410 ecx: 00000015 edx: 00000000<br>Jul 3 17:49:21 magratea kernel: esi: bf5368c0 edi: 00000000 ebp: be654808 esp: bde69e28<br>Jul 3 17:49:21 magratea kernel: ds: 007b es: 007b ss: 0069
<br>Jul 3 17:49:21 magratea kernel: Process drbdsetup (pid: 13403, threadinfo=bde68000 task=bf521030)<br>Jul 3 17:49:21 magratea kernel: Stack: <0>bf2cee40 b00fa964 00000310 00000001 00000000 00000000 00000004 00001000
<br>Jul 3 17:49:21 magratea kernel: b8269684 b8269684 c1229b94 b8269684 00000008 00000000 00000000 00000000<br>Jul 3 17:49:21 magratea kernel: b8269684 00000008 be558664 00000006 0f22a09c 00000000 bde69ef0 bde69ef0
<br>Jul 3 17:49:21 magratea kernel: Call Trace:<br>Jul 3 17:49:21 magratea kernel: [<c1229b94>] xfs_access+0x2b/0x33 [xfs]<br>Jul 3 17:49:21 magratea kernel: [<b0106d66>] do_gettimeofday+0x4d/0x1cc<br>Jul 3 17:49:21 magratea kernel: [<b01345cd>] find_get_page+0x1b/0x5d
<br>Jul 3 17:49:21 magratea kernel: [<b013534d>] filemap_nopage+0xc5/0x2e7<br>Jul 3 17:49:21 magratea kernel: [<b0135419>] filemap_nopage+0x191/0x2e7<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa
<br>Jul 3 17:49:21 magratea kernel: [<b01a91bb>] blkdev_driver_ioctl+0x40/0x58<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa<br>Jul 3 17:49:21 magratea kernel: [<b01a9387>] blkdev_ioctl+0x1b4/0x1c3
<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa<br>Jul 3 17:49:21 magratea kernel: [<b0156c5c>] block_ioctl+0x1a/0x1e
<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa<br>Jul 3 17:49:21 magratea kernel: [<b015f284>] do_ioctl+0x28/0x66<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa
<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa<br>Jul 3 17:49:21 magratea kernel: [<b015f54c>] vfs_ioctl+0x17e/0x18c<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa
<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa<br>Jul 3 17:49:21 magratea kernel: [<b015f5a0>] sys_ioctl+0x46/0x62<br>Jul 3 17:49:21 magratea kernel: [<b0325900>] inflate_codes+0x26e/0x3fa
<br>Jul 3 17:49:21 magratea kernel: [<b0104665>] syscall_call+0x7/0xb<br>Jul 3 17:49:21 magratea kernel: Code: 0f b6 85 5c 02 00 00 c7 44 24 38 8d ff ff ff 24 0f 3c 0a 0f 84 be 07 00 00 c7 44 24 38 00 00 00 00 8b bc 24 c4 00 00 00 8b 45 34 <89> 78 1c c7 40 20 00 00 00 00 68 fd 04 00 00 68 60 20 3c c1 55
<br>Jul 3 17:49:21 magratea kernel: klogd 1.4.1, ---------- state change ----------<br>Jul 3 17:49:21 magratea kernel: No module symbols loaded - kernel modules not enabled.<br><br><br>
</div></blockquote></div><br>