Ian Pratt
2005-May-21 20:40 UTC
RE: [Xen-devel] copying large files over NFS locks up machine on-testing from Thursday
> If it happens on -unstable in domUs (it probably does) I can > grab a coredump or attach to it while it is running and see > where it is wedged. I don''t have a port master where I''m at > so I can''t use pdb or cdb.It''s also worth giving it a prod with ''xm sysrq'' to see what''s going on. Also knowing whether its busy looping or blocked can be useful. Ian> On 5/21/05, Chris Wright <chrisw@osdl.org> wrote: > > * Kip Macy (kip.macy@gmail.com) wrote: > > > I''ve locked up my dom0 a couple of times this morning > copying a 3GB > > > file from local disk to an NFS mount(neither xend nor > guests running). > > > I don''t encounter this problem on the stock CentOS 4 kernel. The > > > machine is a PowerEdge 2850 with 2 e1000 cards - the one > in use is > > > connected to a PowerConnect 2216 10/100 switch and has negotiated > > > 100Mbit. I''ll check if the stock Cambridge isn''t negotiating full > > > duplex but that shouldn''t cause lockups. > > > > > > My mount options are: > > > defaults,intr,rsize=32768,wsize=32768,nfsvers=3,tcp,timeo=600 > > > > Hmm, I''ve seen this on stock 2.6.11 kernels as well (no xen). Any > > chance you can get useful debugging out it? > > > > thanks, > > -chris > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel