Hello Michael, Am 12.04.2012 um 21:38 Uhr schrieb Michael Tokarev <m...@tls.msk.ru>: > 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 342.437949] md0: bitmap file is out of date (0 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?
Linux 3.2.0-2-686-pae from wheezy. Hm, perhaps I could use mdadm from squeeze to check weather the kernel also crashes. -- greetings eMHa
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