Hi James,
Today James C. McPherson wrote:
> Tobias Oetiker wrote:
> > Is there any news on the arcmsr issue with Xen/xvm ? I have now
> > configured my setup with the dom0_mem=1024M boot option, but this does
> > not seem to have any positive effect ... as soon as I try to copy a large
> > file (iso image) around in my zfs (raidz2) I get the infamous
> >
> > arcmsr0: dma map got 'no resources' error
> >
> > and my dom-0 is dead ...
>
>
> Hi Tobias,
> Haven't seen that issue, no. Need a bit more data from you
> as well:
>
> - which build of NV are you running?
SunOS henry 5.11 snv_79a i86pc i386 i86xpv
> - Does this happen in each of your dom0 and domUs?
I have not tried domUs because when it tries to read a large bit of
data (eg an ISO file) it happens ... so for now it is just dom0
> - What is your exact zpool config?
bash-3.2# zpool status
pool: henry_pool
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
henry_pool ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c5t0d1 ONLINE 0 0 0
c5t0d2 ONLINE 0 0 0
c5t0d3 ONLINE 0 0 0
c5t0d4 ONLINE 0 0 0
c5t0d5 ONLINE 0 0 0
c5t0d6 ONLINE 0 0 0
> - need the output from "prtconf -v" and "prtpicl -v"
i have attached them ...
Judging from the type of error, it seems to me as if
(http://opensolaris.org/os/community/xen/docs/developers/#3_3_Devices)
the arcmsr driver was not following rules for DMA. Just a
hunch.
cheers
tobi
>
> thanks,
> James C. McPherson
> --
> Senior Kernel Software Engineer, Solaris
> Sun Microsystems
> http://blogs.sun.com/jmcp http://www.jmcp.homeunix.com/blog
>
>
--
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902
