Messages in this thread | | | Date | Fri, 7 Jul 2006 14:38:54 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.17-mm6 |
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Reuben Farrelly <reuben-lkml@reub.net> wrote: > > > > > > The core slab data structures were wrecked. For kmalloc(), no less. > > Something secretly destroyed your kernel, and it could be anything. Nice. > > Having now turned on slab debugging, is it possibly related to this message > which appeared in my log when I booting up earlier? > > Jul 8 02:49:39 tornado kernel: EXT3-fs: mounted filesystem with ordered data mode. > Jul 8 02:49:39 tornado kernel: Adding 497972k swap on /dev/sdc9. Priority:-1 > extents:1 across:497972k > Jul 8 02:49:40 tornado kernel: ip_tables: (C) 2000-2006 Netfilter Core Team > Jul 8 02:49:40 tornado kernel: Netfilter messages via NETLINK v0.30. > Jul 8 02:49:40 tornado kernel: ip_conntrack version 2.4 (4060 buckets, 32480 > max) - 288 bytes per conntrack > Jul 8 02:49:40 tornado kernel: Slab corruption: start=ffff81003efd7000, len=4096 > Jul 8 02:49:40 tornado kernel: 170: ff ff ff ff 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b > Jul 8 02:49:40 tornado kernel: e1000: eth0: e1000_watchdog: NIC Link is Up 1000 > Mbps Full Duplex > Jul 8 02:49:40 tornado kernel: GRE over IPv4 tunneling driver >
Yikes! Until we fix that there's no point in looking at anything else.
CONFIG_DEBUG_PAGEALLOC would nail this bug in a flash, but x86_64 doesn't implement the damn thing :(
So if this is repeatable it would be of some value if you can work out what causes it - start by disabling netfilter.
But to fix it for real we'll probably need to twiddle thumbs until an x86 person can hit it.
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