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Hugh Dickins wrote: > On Fri, 6 Feb 2004, [koi8-r] "Good Oleg[koi8-r] " wrote: > > >>PC(see below) 256Mib of RAM, linux-2.6.2, 300Mib swap file (swapon /mnt/swap/swap) >>When programs cause big memory usage i have this >>(since my 2.4.22 to 2.6.0-test11 migration): >> >>Feb 6 02:26:27 gluon kernel: ------------[ cut here ]------------ >>Feb 6 02:26:27 gluon kernel: kernel BUG at mm/swapfile.c:806! >>Feb 6 02:26:27 gluon kernel: invalid operand: 0000 [#1] >>Feb 6 02:26:27 gluon kernel: CPU: 0 >>Feb 6 02:26:27 gluon kernel: EIP: 0060:[<c015c7c4>] Tainted: PFS >>Feb 6 02:26:27 gluon kernel: EFLAGS: 00010246 >>Feb 6 02:26:27 gluon kernel: EIP is at map_swap_page+0x34/0x60 > > > [ helpful info snipped ] > > Interesting, thank you. That's the second report (first on 16 Jan, > and in that case Not Tainted). I looked around and found some bugs in > the swapfile page accounting (if swapfile filesystem blocksize < 4k: > is yours? never heard back from Marcel on that) - still intermittently > working on and testing the fixes there - but in the end nothing which > would actually cause this BUG. Was rather thinking it came from slab > corruption, but a second report makes that (a little) less likely. > I'll look again later on, but other eyes may find it sooner. > > Hugh > > > oops, i thought i told you that my blocksize is exactly 4k - sorry btw, i hit this bug again a few days after i reported it one time it went crazy and oopsed 8 times in about 8 minutes i think it only happened when the system was swapping heavily (swapd creating new swapfiles as fast as it could) and i manually swapon'ed another (bigger, ~50MB) swapfile by hand marcel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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