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SubjectRe: Again - inode races [PATCH] Re: Corrupted inode list?
I found the problem, it was modutils spewing all over the place.
tim...

On Fri, 7 Feb 1997, Timothy Peters wrote:

> Linux Kernel List wrote:
> >
> > I just had problems of simular nature. I have not had hardware problems
> > in the past with this drive or machine. I have however just upgraded to
> > glibc-2.0. The problems started after when I had a bunch of kernel memory
> > free pool errors, I have also just started some java development.
> > Downgrading to 2.0.28 did not help.
> >
> > Just adding my data-point.
> > would oop's help?
> >
> > tim...
> >
> > some info.
> > processor : 0
> > cpu : 586
> > model : Pentium 75+
> > vendor_id : GenuineIntel
> > stepping : 12
> > fdiv_bug : no
> > hlt_bug : no
> > fpu : yes
> > fpu_exception : yes
> > cpuid : yes
> > wp : yes
> > flags : fpu vme de pse tsc msr mce cx8
> > bogomips : 53.25
> >
> > CONFIG_EXPERIMENTAL=y
> > CONFIG_MODULES=y
> > CONFIG_KERNELD=y
> > CONFIG_NET=y
> > CONFIG_PCI=y
> > CONFIG_PCI_OPTIMIZE=y
> > CONFIG_SYSVIPC=y
> > CONFIG_BINFMT_AOUT=y
> > CONFIG_BINFMT_ELF=y
> > CONFIG_M586=y
> > CONFIG_BLK_DEV_FD=y
> > CONFIG_BLK_DEV_IDE=y
> > CONFIG_BLK_DEV_IDEDISK=y
> > CONFIG_BLK_DEV_IDECD=y
> > CONFIG_BLK_DEV_TRITON=y
> > CONFIG_INET=y
> > CONFIG_PATH_MTU_DISCOVERY=y
> > CONFIG_IP_NOSR=y
> > CONFIG_SKB_LARGE=y
> > CONFIG_NETDEVICES=y
> > CONFIG_NET_ETHERNET=y
> > CONFIG_NET_ISA=y
> > CONFIG_NE2000=y
> > CONFIG_PPP=y
> > CONFIG_MINIX_FS=y
> > CONFIG_EXT2_FS=y
> > CONFIG_FAT_FS=y
> > CONFIG_MSDOS_FS=y
> > CONFIG_PROC_FS=y
> > CONFIG_NFS_FS=y
> > CONFIG_ISO9660_FS=y
> > CONFIG_SERIAL=y
> > CONFIG_MOUSE=y
> > CONFIG_PSMOUSE=y
> > CONFIG_APM=y
> > CONFIG_APM_CPU_IDLE=y
> > CONFIG_APM_DISPLAY_BLANK=y
> > CONFIG_SOUND=y
> >
> > Modules seems to be broken on my machine.
> >
> > On Tue, 4 Feb 1997, Stephen C. Tweedie wrote:
> >
> > > Hi again,
> > >
> > > On 30 Jan 1997 16:04:14 -0800, Steven L Baur <steve@miranova.com> said:
> > >
> > > > ...
> > > >> However, having said all that, we've been bitten by races in this part
> > > >> of the code before, so if you _can_ demonstrate a real race condition
> > > >> in the VFS itself, please do let me know...
> > >
> > > > I don't know how I can demonstrate a problem, but something is
> > > > definitely still amiss. I just got bitten by this bug again a few
> > > > hours ago after eight days of using the patch in this thread and
> > > > 2.0.28:
> > >
> > > > Jan 30 13:04:06 altair kernel: EXT2-fs warning (device 16:02): ext2_free_inode: bit already cleared for inode 286988
> > > > Jan 30 13:04:06 altair last message repeated 2 times
> > >
> > > > The total lossage this time was zeroed inodes 286,985 through 286,988
> > > > and 364,586 through 364,588. :-(
> > >
> > > Indeed --- I doubted very much that the patch would actually fix
> > > anything. The fact that you are seeing such regular patterns of
> > > corruption, and that they are only appearing on one of your three
> > > drives, really does suggest that it is a case of borderline hardware
> > > problems rather than software. I have seen similar sporadic patterns
> > > of bitmap corruption in the past myself, and it has always turned out
> > > to be hardware related.
> > >
> > > If all of your disks are IDE, then you could at least start to narrow
> > > down the problem by moving the problem disk to the other IDE channel.
> > >
> > > Cheers,
> > > Stephen.
> > >
> I had simmilar problems which I think i hax fixed by removing support
> for trition DMA transfres try doing this and see waht happens, my set up
> seems very similar to yours
> --
> Timothy Peters
> Senior Software Engineering Technician
> School of Engineering & Technology
> Nene College
> St Georges Ave
> Northampton
> NN2 6JD
> (01604) 735500 Ext. 3112
> tim.peters@nene.ac.uk
>


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