[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] SWIOTLB allocation failed
Hello, I'm using Xen 3.1 with kernel 2.6.18. If I use swiotlb=force option to boot domU, I got the following message: xm create -c skirit60-1 Using config file "/etc/xen/skirit60-1". Started domain skirit60-1 Bootdata ok (command line is root=/dev/sda1 ro ip=147.251.11.44:1.2.3.4:147.251.11.1:255.255.255.128:skirit60-1:eth0:off magrathea=eth1:10.0.0.1:10.0.0.101: swiotlb=force) Linux version 2.6.18-xen31-smp (root@skirit60) (gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)) #19 SMP Tue Jul 10 01:06:20 CEST 2007 BIOS-provided physical RAM map: Xen: 0000000000000000 - 000000009cc00000 (usable) No mptable found. Built 1 zonelists. Total pages: 642048 Kernel command line: root=/dev/sda1 ro ip=147.251.11.44:1.2.3.4:147.251.11.1:255.255.255.128:skirit60-1:eth0:off magrathea=eth1:10.0.0.1:10.0.0.101: swiotlb=force Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Xen reported: 2992.500 MHz processor. Console: colour dummy device 80x25 Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) Kernel panic - not syncing: No suitable physical memory available for SWIOTLB buffer! Use dom0_mem Xen boot parameter to reserve some DMA memory (e.g., dom0_mem=-128M). is there something I could do to improve domU? Dom0 has only 256MB RAM, system has 4GB RAM total. (DomU is assigned 2.5GB RAM.) -- Lukáš Hejtmánek _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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