[DRBD-user] xfs-problem on (was: mkfs.xfs segfaults)

Florian Haas florian.haas at linbit.com
Mon Oct 27 15:30:15 CET 2008

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


what's your exact block device stack? Is LVM and/or MD in play anywhere?


Sven Geggus wrote:
> Florian Haas <florian.haas at linbit.com> wrote:
>> Can you reproduce this on a released kernel please? With an "-rc"
>> kernel, this looks more like it belongs on LKML than on drbd-user...
> Got bitten by more or less the same Problem today :(
> However I do have a slightly different environment:
> Vanilla Linux Kernel
> drbd 8.0.13
> .. and I did not get a kernel segfault but a rather strange message from
> drbd:
> neptun1:~# mkfs.xfs  /dev/drbd0
> meta-data=/dev/drbd0             isize=256    agcount=32, agsize=30332688
> blks
>          =                       sectsz=512   attr=0
> data     =                       bsize=4096   blocks=970646016, imaxpct=25
>          =                       sunit=0      swidth=0 blks, unwritten=1
> naming   =version 2              bsize=4096  
> log      =internal log           bsize=4096   blocks=32768, version=1
>          =                       sectsz=512   sunit=0 blks
> realtime =none                   extsz=65536  blocks=0, rtextents=0
> mkfs.xfs: pwrite64 failed: Input/output error
> neptun1:~# dmesg |tail -n 3
> drbd0: bio would need to, but cannot, be split: (vcnt=8,idx=0,size=32768,sector=59)
> drbd0: bio would need to, but cannot, be split: (vcnt=8,idx=0,size=32768,sector=123)
> drbd0: bio would need to, but cannot, be split: (vcnt=8,idx=0,size=32768,sector=187)
> Regards
> Sven

: Florian G. Haas
: LINBIT Information Technologies GmbH
: Vivenotgasse 48, A-1120 Vienna, Austria

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