Re: linux-next: xfs metadata corruption since 30 March

From: Chandan Rajendra
Date: Wed Apr 01 2020 - 02:07:53 EST


On Wednesday, April 1, 2020 10:15 AM Darrick J. Wong wrote:
> On Wed, Apr 01, 2020 at 12:15:32AM -0400, Qian Cai wrote:
> >
> >
> > > On Apr 1, 2020, at 12:14 AM, Chandan Rajendra <chandan@xxxxxxxxxxxxx> wrote:
> > >
> > > On Wednesday, April 1, 2020 3:27 AM Qian Cai wrote:
> > >> Ever since two days ago, linux-next starts to trigger xfs metadata corruption
> > >> during compilation workloads on both powerpc and arm64,
> > >
> > > Can you please provide the filesystem geometry information?
> > > You can get that by executing "xfs_info <mount-point>" command.
> > >
>

I wasn't able to recreate this issue on my P8 kvm guest. Can you provide,
1. The build command line you are using.
2. The number of online CPUs and amount of system memory.
2. As Darrick pointed out, Can you please provide the kconfig used (especially
the one used for powerpc build).

> Hmm. Do the arm/ppc systems have 64k pages? kconfigs might be a good
> starting place. Also, does the xfs for-next branch exhibit this
> problem, or is it just the big -next branch that Stephen Rothwell puts
> out?
>
>
> --D
>
> > == arm64 ==
> > # xfs_info /home/
> > meta-data=/dev/mapper/rhel_hpe--apollo--cn99xx--11-home isize=512 agcount=4, agsize=113568256 blks
> > = sectsz=4096 attr=2, projid32bit=1
> > = crc=1 finobt=1, sparse=1, rmapbt=0
> > = reflink=1
> > data = bsize=4096 blocks=454273024, imaxpct=5
> > = sunit=0 swidth=0 blks
> > naming =version 2 bsize=4096 ascii-ci=0, ftype=1
> > log =internal log bsize=4096 blocks=221813, version=2
> > = sectsz=4096 sunit=1 blks, lazy-count=1
> > realtime =none extsz=4096 blocks=0, rtextents=0
> >
> >
> > == powerpc ==
> > # xfs_info /home/
> > meta-data=/dev/mapper/rhel_ibm--p9wr--01-home isize=512 agcount=4, agsize=118489856 blks
> > = sectsz=4096 attr=2, projid32bit=1
> > = crc=1 finobt=1, sparse=1, rmapbt=0
> > = reflink=1
> > data = bsize=4096 blocks=473959424, imaxpct=5
> > = sunit=0 swidth=0 blks
> > naming =version 2 bsize=4096 ascii-ci=0, ftype=1
> > log =internal log bsize=4096 blocks=231425, version=2
> > = sectsz=4096 sunit=1 blks, lazy-count=1
> > realtime =none extsz=4096 blocks=0, rtextents=0
> >
> > == x86 (not yet reproduced) ==
> > meta-data=/dev/mapper/rhel_hpe--dl380gen9--01-home isize=512 agcount=16, agsize=3283776 blks
> > = sectsz=512 attr=2, projid32bit=1
> > = crc=1 finobt=1, sparse=1, rmapbt=0
> > = reflink=1
> > data = bsize=4096 blocks=52540416, imaxpct=25
> > = sunit=64 swidth=64 blks
> > naming =version 2 bsize=4096 ascii-ci=0, ftype=1
> > log =internal log bsize=4096 blocks=25664, version=2
> > = sectsz=512 sunit=0 blks, lazy-count=1
> > realtime =none extsz=4096 blocks=0, rtextents=0
>


--
chandan