On Monday 14 February 2005 12:33, Nuutti Kotivuori wrote: > Host kernel: Debian 2.4.27 kernel + skas3-2.4.25-v3 patch > Guest kernel: Debian 2.6.9 kernel + uml-2.6.9-bs5 patch > > We are getting an intermittent hang (or perhaps kernel crash) on uml > kernel bootup with this combination. The boot messages look like this:
> Linux version 2.6.9-bs5-um-bs5 ([EMAIL PROTECTED]) (gcc version 3.3.5 > (Debian > 1:3.3.5-6)) #1 Thu Jan 27 21:41:43 EET 2005 Built 1 zonelists > Kernel command line: uml_dir=. con=pts con0=fd:0,fd:1 con1=tty:/dev/tty2 > ubd0=/data/mumlehd/vmi/haro/ubd0-flat.img > ubd1=/data/mumlehd/vmi/haro/ubd1-flat.img > eth0=tuntap,vm-tap-0,00:50:C2:3E:08:2A > eth1=tuntap,vm-tap-1,00:50:C2:3E:08:2B > eth2=tuntap,vm-tap-2,00:50:C2:3E:08:2C mem=24M root=98:0 PID hash table > entries: 128 (order: 7, 2048 bytes) > Dentry cache hash table entries: 4096 (order: 2, 16384 bytes) > Inode-cache hash table entries: 2048 (order: 1, 8192 bytes) > Memory: 20568k available > Mount-cache hash table entries: 512 (order: 0, 4096 bytes) > Checking for host processor cmov support...Yes > Checking for host processor xmm support...No > Checking that ptrace can change system call numbers...OK > Checking syscall emulation patch for ptrace...OK > <hang> > > There might be an unfinished line printed after this, it isn't shown > in our logs and since reproducing the problem is hard, we haven't > managed to get better logs yet. Successful boots show these messages > immediately after that: > > Checking that host ptys support output SIGIO...Yes > Checking that host ptys support SIGIO on close...No, enabling workaround > Checking for /dev/anon on the host...Not available (open failed with > errno 2) NET: Registered protocol family 16 > ... > > We have managed to get this appear twice now and the problem seems to > have arrived after we switched to those host and guest kernels. The > low memory amount was there just for another test - the earlier hang > was with a much higher memory amount. And, /tmp is tmpfs, just in case > it matters. In this case it shouldn't. > Just throwing this here as an early report, to hear if somebody knows > what might really be wrong. Hmm... you could try updating to -bs7, however I don't think it's solved. Or to 2.6.11-rc4, maybe (or 2.6.11, when it's out). -- Paolo Giarrusso, aka Blaisorblade Linux registered user n. 292729 http://www.user-mode-linux.org/~blaisorblade ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ User-mode-linux-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
