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0006751: kernel panic on reboot after zeroing superblock of mdadm raid1 metadata 1.2

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I've got inactive raid1 partition /dev/sda5 (this is not boot nor automount partition)<br /> after<br /> # mdadm --zero-superblock /dev/sda5 <br /> I rebooted server and got kernel panic, looks like panic is due to md<br /> <br /> piix4_smbus 0000:00:14.0: SMBus Host Controller at 0xb00, revision 0<br /> md: bind<sdb1><br /> md: bind<sdb2><br /> udevd[679]: segfault at aba424 ip 00aba424 sp bfc7868c error 14<br /> kernel tried to execute NX-protected page - exploit attempt? (uid: 0)<br /> BUG: unable to handle kernel paging request at f4582760<br /> IP:udevd-work[464]: [<f4582760>] 0xf4582760<br /> *pdpt = 0000000000b15001 '/sbin/modprobe*pde = 80000000344001e3 <br /> -b dmi:bvnAmeriOops: 0011 [<a href="http://bugs.centos.org/view.php?id=1">0000001</a>] SMP <br /> <br /> see full console log in the Additional Information

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