similar to: Xenstored: eliminate double free and fixes for memory leak

As bug 968 suggests, xenstored must properly handle EOF from clients. From: Pavel Kankovsky <peak@argo.troja.mff.cuni.cz> Signed-off-by: Samuel Thibault <samuel.thibault@citrix.com> diff -r 6fd17d0dcbcd tools/xenstore/xenstored_core.c --- a/tools/xenstore/xenstored_core.c Tue Nov 27 12:49:16 2007 +0000 +++ b/tools/xenstore/xenstored_core.c Tue Nov 27 14:56:35 2007 +0000 @@ -1266,7

When a message with zero length is sent to xenstore, the body of the message was not processed until the socket or ring had more data to read; this will cause deadlocks if the requestor is waiting on a response to continue. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> --- tools/xenstore/xenstored_core.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git

# HG changeset patch # User Rusty Russell <rusty@rustcorp.com.au> # Node ID b0de1894df67ac7c7d905bf61cdf0210b42752cc # Parent ba5d5bd28edf8bce89bdf9fc64047ee4f1dceded Xenstore watch rework Change watches to all fire simultaneously, removing priority argument. Watches no longer fired back to connection/domain which caused event. Fix up testsuite to match Use state enum, rather than return

Dear all, Last December there was a thread regarding the famous FAQ 7.21 "How can I turn a string into a variable?" and asking what people want to do with these strings. My, certainly trivial application would be as follows: Assume I have a data.frame containing besides others also the columns f1, f2, ..., fn and I want to create a command like: apply(sapply(list(f1,f2,f3),is.na),2,sum)

In preparation for parallel processing, we need to be sure that two threads belonging to the same connection cannot interleave their I/O except at message boundaries. Add a mutex around all reads and writes that must occur as a group (for now, there is no contention for either mutex). Signed-off-by: Eric Blake <eblake@redhat.com> --- src/connections.c | 27 +++++++++++++++++++++++++-- 1

Changes from v3: - mini-os configuration files moved into stubdom/ - mini-os extra console support now a config option - Fewer #ifdefs - grant table setup uses hypercall bounce - Xenstore stub domain syslog support re-enabled Changes from v2: - configuration support added to mini-os build system - add mini-os support for conditionally compiling frontends, xenbus -

The concern is a client is blocked while processing a request. The nbdkit server design requires a thread per request being processed regardless of the number of connections or clients. We want to run 1000's of requests in parallel without needing a thread at nbdkit layer per request in flight. Our plugin layer is built around boost asio and a few threads in a worker pool running an io

Package: xen-utils-common Version: 4.0.0-1 Consider removal of xenstored tdb file (located at /var/lib/xenstored/tdb) before start of xenstored daemon during the boot (or removal during the shutdown/reboot of the server) as proposed by Ian Campbell during our discussions [1]. [1] http://lists.xen.org/archives/html/xen-users/2012-11/msg00111.html -- Peter Viskup

Hello all, I have a file owned by apache:apache with permissions of 640. I have added myself to the apache group using usermod -G (and I can verify that using the groups command) but I still can't read the abovementioned file. Am I not getting something? Michael -------------- next part -------------- An HTML attachment was scrubbed... URL:

I just downloaded Xen-4.1.1 from xen.org, compiled it, and installed it. I then compiled kernel 3.0.0 and added the hypervisor and dom0 kernel in a grub 2 entry. After booting, I executed "xl list," to confirm the hypervisor was running. I was greeted with this message: libxl: error: libxl.c:56:libxl_ctx_init Is xenstore daemon running? failed to stat /var/run/xenstored.pid: No such

Package: xen-utils-4.0 Version: 4.0.1-2 Hi, When you change XENCONSOLED_ARGS in /etc/default/xend, there's no normal way to apply it. Even if you do '/etc/init.d/xend stop', that doesn't stop xenconsoled, despite the fact the analogous 'start' action did start it. There isn't even a separate init script action to stop it, it has to be killed manually. Same goes for

On Thu, Nov 16, 2017 at 09:26:54PM -0600, Eric Blake wrote: > In preparation for parallel processing, we need to be sure that > two threads belonging to the same connection cannot interleave > their I/O except at message boundaries. Add a mutex around > all reads and writes that must occur as a group (for now, there > is no contention for either mutex). > > Signed-off-by:

By default, /var/lib/xenstored is mounted tmpfs in centos 5 but this doesn't appear to be true for Xen4CentOS. This can cause performance issues as mentioned in https://bugzilla.redhat.com/show_bug.cgi?id=446089 I'm not sure if this should be part of xencommons, but if not, adding a tmpfs mount should probably be documented on the quick start wiki page. Thanks, Sarah

I have a time series dataset, saved in a csv file. However date-formatting is : 7/2/1982 7/6/1982 7/7/1982 7/8/1982 7/13/1982 7/14/1982 However if I use following zoo-code, it is not reading data: read.zoo(file="F:/data.csv", format="%m/%d/%y", header=F) Error is Error in read.zoo(file ="F:/data.csv", format = "%m/%d/%y", : index contains NAs Here

The entries in xenstore have permission attributes. The attributes can be easily altered by xenstore-chmod, however, I cannot find a easy way to see them. I''ve modified xenstore_client.c to raise a new utility. The utility checks the permission and makes an easy-look output. Please tell me any suggestions. Thanks. Signed-off-by: Frank Pan <frankpzh@gmail.com> ---

Package: xen-utils-common Version: 3.0.3-0-2 Severity: normal There should be a clean and clearly defined way to restart all the Xen daemons in the case of error. If the file /var/lib/xenstored/tdb is corrupt then you must stop xenstored, rm the file, and then restart it. Currently there is no defined way of doing this so the solution is to kill -9 the process, rm the file, and then reboot. --

Hans van Kranenburg writes ("[PATCH 08/13] xen init script: rewrite xenstored start logic"): > -XENSTORED="$ROOT"/bin/xenstored > +# In /etc/default/xen, the user can set XENSTORED, which has to be either > +# 'xenstored' or 'oxenstored'. In here, we add the version specific path. > +if [ -n "$XENSTORED" ]; then > +

Hi all, xend communicates with xenstored using unix domain sockets right? So, would it be possible to convert the unix domain sockets to tcp/ip sockets and let xenstored run on a different machine? Regards, Hayawardh _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

(Sorry, lost Keir''s mail). I''m unclear on why we have to have the mapping part of solving the xendev problem. Can''t we just allocate a transaction as usual if we see an ID without a transaction existing, mark it as pre-fail, and when we see the transaction end, discard the copy as if it had raced? Surely the ID lookup is guaranteed to fail in the circumstances we care

Dear R Users, Before running ksmooth( ), a suitable bandwidth selection is needed. I use some functions for this task and receive these results for my data: width.SJ(y,nb=100,method="ste") : 40.25 bcv(y,nb=100) : 40.53 ucv(y) : 41.26 bandwidth.nrd(y) : 45.43 After implementing the function ksmooth(x,y, bandwidth= each of abovementioned bandwidths), I have some NAs