Hi Andrew, I admit that the oops shouldn't happen but what's the use of binding raw devices to PVs anyway? Regards, Heinz On Wed, Dec 19, 2001 at 05:54:12PM -0700, Andrew Patterson wrote: > > We are having problems when running vgchange to activate volume groups > that have raw devices bound to it's PV's. We are currently using > LVM 1.0.1-rc4 running on Linux kernel 2.4.14. > > Andrew > > Reproducing problem: > -------------------- > 1. Establish raw device <--> scsi disk device bindings using raw > utility > 2. Create 1 vg with 2 pv's (problem not seen with only 1 pv) > 3. Deactivate vg with vgchange > 4. When you re-activate the vg with vgchange, something is corrupted > such that the raw mappings appear to have been changed. > 5. The next attempt to change back the raw binding causes segfault in > the raw utility, accompanied by a kernel stack trace on the > console/syslog > 6. The next attempt to change back the raw binding causes the system > to completely lock up/wedge. > > Capture showing problem: > ------------------------ > jerry# > jerry# > jerry# raw /dev/raw2 8 16 > /dev/raw/raw2: bound to major 8, minor 16 > jerry# raw /dev/raw3 8 32 > /dev/raw/raw3: bound to major 8, minor 32 > jerry# raw /dev/raw3 8 48 > /dev/raw/raw4: bound to major 8, minor 48 > jerry# raw /dev/raw4 8 64 > /dev/raw/raw5: bound to major 8, minor 64 > jerry# raw /dev/raw5 8 80 > /dev/raw/raw6: bound to major 8, minor 80 > jerry# raw /dev/raw6 8 96 > /dev/raw/raw7: bound to major 8, minor 96 > jerry# raw /dev/raw8 8 112 > /dev/raw/raw8: bound to major 8, minor 112 > jerry# raw /dev/raw9 8 128 > /dev/raw/raw9: bound to major 8, minor 128 > jerry# > jerry# > jerry# raw -qa > /dev/raw/raw2: bound to major 8, minor 16 > /dev/raw/raw3: bound to major 8, minor 32 > /dev/raw/raw4: bound to major 8, minor 48 > /dev/raw/raw5: bound to major 8, minor 64 > /dev/raw/raw6: bound to major 8, minor 80 > /dev/raw/raw7: bound to major 8, minor 96 > /dev/raw/raw8: bound to major 8, minor 112 > /dev/raw/raw9: bound to major 8, minor 128 > jerry# pvcreate /dev/sdf > pvcreate -- physical volume "/dev/sdf" successfully created > > jerry# pvcreate /dev/sdg > pvcreate -- physical volume "/dev/sdg" successfully created > > jerry# vgcreate testVG1 /dev/sdf /dev/sdg > vgcreate -- INFO: using default physical extent size 4.00 MB > vgcreate -- INFO: maximum logical volume size is 255.99 Gigabyte > vgcreate -- doing automatic backup of volume group "testVG1" > vgcreate -- volume group "testVG1" successfully created and activated > > jerry# raw -qa > /dev/raw/raw2: bound to major 8, minor 16 > /dev/raw/raw3: bound to major 8, minor 32 > /dev/raw/raw4: bound to major 8, minor 48 > /dev/raw/raw5: bound to major 8, minor 64 > /dev/raw/raw6: bound to major 8, minor 80 > /dev/raw/raw7: bound to major 8, minor 96 > /dev/raw/raw8: bound to major 8, minor 112 > /dev/raw/raw9: bound to major 8, minor 128 > jerry# > jerry# > jerry# vgchange -an testVG1 > vgchange -- volume group "testVG1" successfully deactivated > > jerry# raw -qa > /dev/raw/raw2: bound to major 8, minor 16 > /dev/raw/raw3: bound to major 8, minor 32 > /dev/raw/raw4: bound to major 8, minor 48 > /dev/raw/raw5: bound to major 8, minor 64 > /dev/raw/raw6: bound to major 8, minor 80 > /dev/raw/raw7: bound to major 8, minor 96 > /dev/raw/raw8: bound to major 8, minor 112 > /dev/raw/raw9: bound to major 8, minor 128 > jerry# > jerry# > jerry# vgchange -ay testVG1 > vgchange -- volume group "testVG1" successfully activated > > jerry# raw -qa > /dev/raw/raw2: bound to major 8, minor 16 > /dev/raw/raw3: bound to major 8, minor 32 > /dev/raw/raw4: bound to major 8, minor 48 > /dev/raw/raw5: bound to major 8, minor 64 > /dev/raw/raw6: bound to major 8, minor 96 <------ CHANGED/WRONG > /dev/raw/raw7: bound to major 8, minor 80 <------ CHANGED/WRONG > /dev/raw/raw8: bound to major 8, minor 112 > /dev/raw/raw9: bound to major 8, minor 128 > jerry# > jerry# > jerry# raw /dev/raw6 0 0 > Segmentation fault > > >>>>>>>>>> THIS APPEARED ON CONSOLE/SYSLOG >>>>>>>>>>>>>>>>>> > Dec 19 15:53:32 jerry kernel: invalid operand: 0000 > Dec 19 15:53:32 jerry kernel: CPU: 0 > Dec 19 15:53:32 jerry kernel: EIP: 0010:[<c01396a2>] Not tainted > Dec 19 15:53:32 jerry kernel: EFLAGS: 00010202 > Dec 19 15:53:32 jerry kernel: eax: 00000001 ebx: 000000d8 ecx: c1e72de8 > edx: 00000001 > Dec 19 15:53:32 jerry kernel: esi: c1e72de0 edi: c03f5880 ebp: f2e41f88 > esp: f2e41f60 > Dec 19 15:53:32 jerry kernel: ds: 0018 es: 0018 ss: 0018 > Dec 19 15:53:32 jerry kernel: Process raw (pid: 506, stackpage=f2e41000) > Dec 19 15:53:32 jerry kernel: Stack: 000000d8 c03f5968 c03f5880 c0207f16 > c1e72de0 f3858d20 bffffcd0 0000ac00 > Dec 19 15:53:32 jerry kernel: ffffffe7 00000000 00000006 00000000 > 00000000 00000000 00000000 c01415a7 > Dec 19 15:53:32 jerry kernel: f638d920 f3858d20 0000ac00 bffffcd0 > f2e40000 bffffde4 bffffd1c 00000004 > Dec 19 15:53:32 jerry kernel: Call Trace: [<c0207f16>] [<c01415a7>] > [<c0106d6f>] > Dec 19 15:53:32 jerry kernel: > Dec 19 15:53:32 jerry kernel: Code: 0f 0b 8b 56 04 8b 06 89 50 04 89 02 8b 5e > 30 8d 46 30 39 c3 > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< > > jerry# > jerry# > jerry# raw /dev/raw7 8 96 > >>>>>>>>>>>> SYSTEM LOCKED-UP COMPLETELY >>>>>>>>>>>>>>>>>>> > > > > > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
