On Sat, 2007-06-16 at 11:26 +0200, Maciej Sołtysiak wrote: > >> ======================= > >> Code: 10 89 5c 24 10 89 c3 89 7c 24 18 89 d7 89 74 24 14 8b 70 28 75 1a > >> 8b > >> 4e 08 89 fa 89 d8 ff 51 18 8b 5c 24 10 83 74 24 14 8b 7c 24 <18> 83 c4 1c > >> c3 > >> 89 74 24 0c 8b 40 10 8b 40 24 8b 40 10 8b 40 08 EIP: [<f0a93c94>] > >> rpcauth_checkverf+0x34/0x70 [sunrpc] SS:ESP 0068:e64b5eec > > > > At a first guess, it looks as though something has scribbled over your > > credential. Have you tried running this kernel with slab debugging > > enabled? > > I'm running 2.6.21.5 now with slab debugging on, here's what I got about > slab corruption: > > Slab corruption: skbuff_head_cache start=ef287b78, len=164 > Redzone: 0x5a2cf071/0x5a2cf071. > Last user: [<c031710c>](kfree_skbmem+0x3c/0x90) > 090: 6b 6b 6b 6b 6b 63 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > Single bit error detected. Probably bad RAM. > Run memtest86+ or a similar memory test tool. > Prev obj: start=ef287ac8, len=164 > Redzone: 0x170fc2a5/0x170fc2a5. > Last user: [<c031798b>](__alloc_skb+0x2b/0x100) > 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 010: 00 00 00 00 e0 71 e6 ef 00 00 00 00 00 00 00 00 > Next obj: start=ef287c28, len=164 > Redzone: 0x170fc2a5/0x170fc2a5. > Last user: [<c031798b>](__alloc_skb+0x2b/0x100) > 000: 84 d0 85 c5 84 d0 85 c5 04 d0 85 c5 2c 0a 73 46 > 010: 6f cd 09 00 00 00 00 00 01 00 00 00 08 e5 72 ee > > How probable is that it is really a bad memory issue? > Does this report say anything about which RAM chip I should > investigate/replace ? I have 1x512MB+1x256MB > > Best Regards, > Maciej
I'd try doing as suggested above: run memtest86 on the computer for a couple of hours and see what it tells you. That should hopefully give you enough information to figure out which chips need replacing. Cheers Trond - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/