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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 After running 2.6.0 on a server for a few days, I met an interesting and annoying problem. I was playing with NFS over gigabit ethernet (e1000) and it was a bit slow. I tried to find out why by running top and I saw syslog-ng eating almost 10% of the 1,3GHz Duron. Looked at the log and there was a huge flood of these messages: swapper: page allocation failure. order:3, mode:0x20 irssi: page allocation failure. order:3, mode:0x20 swapper: page allocation failure. order:3, mode:0x20 vim: page allocation failure. order:3, mode:0x20 swapper: page allocation failure. order:3, mode:0x20 most of the messages starting with swapper. After a quick google search it looks like this kind of a problem existed in a bit older 2.5/2.6 serie kernels. It looks like it's still with us. Linux hamsu.org 2.6.0 #1 Mon Dec 29 21:07:28 EET 2003 i686 AMD Duron(tm) processor AuthenticAMD GNU/Linux Shortly about the hardware of the machine in case it would matter: AMD Duron 1,3GHz CPU, 768MB of RAM, Intel PRO/1000MT Desktop and Realtek 8139C NICs. Pre-empt was disabled in the kernel config and the kernel didn't have any extra patches. A pure vanilla kernel. I'm not a subscriber so please CC me a copy of messages related to the subject. I'm not sure if I can help much looking at the insides of the kernel, but I will try my best answering any questions about this. - -- Joonas OH8GDV (ham call sign) OpenPGP: 0x5F72BE43 ( 0B37 05E0 0FB4 EB2E 161C DCE6 7F7B C645 5F72 BE43 ) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQE/8+lzf3vGRV9yvkMRAgkIAJ4tjyWtfeDmXCaM0s6w9+ofYLKktACgt+I5 MhYxd+KeJS8QFOjPbtOmykk= =75d0 -----END PGP SIGNATURE----- - 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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