On 31.03.2012 01:28, Markus Hochholdinger wrote: > Package: mdadm > Version: 3.2.3-2 > Followup-For: Bug #664088 > > Dear Maintainer, > > seems I've been stumbled over this bug. I'm running wheezy and can reproduce > a crash: > mdadm --grow /dev/md0 --bitmap=none > mdadm --grow /dev/md0 --bitmap=internal > > A few seconds after this, the system is still alive, I see the newly created > bitmap in /proc/mdstat, and then the system crashes: > [ 342.437949] md0: bitmap file is out of date (0 < 322) -- forcing full > recovery > [ 342.437967] created bitmap (1 pages) for device md0 > [ 347.949946] BUG: unable to handle kernel NULL pointer dereference at > 00000008 > [ 347.949969] IP: [<eda5edbd>] bitmap_endwrite+0x138/0x199 [md_mod] > [ 347.949991] *pdpt = 0000000002660007 *pde = 0000000000000000 > [ 347.950010] Oops: 0000 [#1] SMP
Oh. This is a kernel bug, kernel should not crash like this even if incorrect bitmap is created. Marcus, what's your kernel version? Thank you! /mjt -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
