Re: [libvirt] [PATCH] virt-admin: Call virInitialize to fix startup crash

On Tue, Jun 28, 2016 at 10:12:01AM +0200, Martin Kletzander wrote: > On Mon, Jun 27, 2016 at 02:28:39PM -0400, Cole Robinson wrote: > > Similar to what virsh and virt-login-shell do > > > > https://bugzilla.redhat.com/show_bug.cgi?id=1350315 > > --- > > I can't actually reproduce the bug, the backtrace is similar to > > 97973ebb7 which added the same fix for virt-login-shell, and > > that commit also mentions the randomness of reproducing... > > > > I think we should try finding out what the cause for that is. It might > be as simple as adding similar fix to yours and asking the user what > error does he see with that fix in. The idea behind that is that > scripts shouldn't need to call that initialization as that should be > part of any first call they make to the library. > > > tools/virt-admin.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/tools/virt-admin.c b/tools/virt-admin.c > > index 4acac65..7bff5c3 100644 > > --- a/tools/virt-admin.c > > +++ b/tools/virt-admin.c > > @@ -1371,6 +1371,11 @@ main(int argc, char **argv) > > return EXIT_FAILURE; > > } > > > > + if (virInitialize() < 0) { > > If this is the right thing to do, it should be virAdmInitialize(). By > using virInitialize() we're giving bad example to others as it only > works in virt-admin thanks to internal.h being included, I guess. > I tried this instead, what do you think about it? diff --git i/src/util/virerror.c w/src/util/virerror.c index 1177570ef0d5..300b0b90252f 100644 --- i/src/util/virerror.c +++ w/src/util/virerror.c @@ -37,7 +37,7 @@ VIR_LOG_INIT("util.error"); -virThreadLocal virLastErr; +static virThreadLocal virLastErr; virErrorFunc virErrorHandler = NULL; /* global error handler */ void *virUserData = NULL; /* associated data */

diff --git i/src/util/virevent.c w/src/util/virevent.c index e0fd35e41644..8f9d15e46454 100644 --- i/src/util/virevent.c +++ w/src/util/virevent.c @@ -266,6 +266,9 @@ int virEventRegisterDefaultImpl(void) { VIR_DEBUG("registering default event implementation"); + if (virErrorInitialize() < 0) + return -1; + virResetLastError(); if (virEventPollInit() < 0) {

diff --git i/src/util/virthread.c w/src/util/virthread.c index 6c495158f566..4b69451dd355 100644 --- i/src/util/virthread.c +++ w/src/util/virthread.c @@ -308,7 +308,8 @@ int virThreadLocalInit(virThreadLocalPtr l, virThreadLocalCleanup c) { int ret; - if ((ret = pthread_key_create(&l->key, c)) != 0) { + if (!l->initialized && + (ret = pthread_key_create(&l->key, c)) != 0) { errno = ret; return -1; }

diff --git i/src/util/virthread.h w/src/util/virthread.h index e466d9bf0184..1ba8a0fe46bb 100644 --- i/src/util/virthread.h +++ w/src/util/virthread.h @@ -54,6 +54,7 @@ typedef virThreadLocal *virThreadLocalPtr; struct virThreadLocal { pthread_key_t key; + bool initialized; }; typedef struct virThread virThread;