Re: [Xen-devel] [PATCH] xen/xenbus: fix self-deadlock after killing user process

2019-10-21 Thread Jürgen Groß
On 21.10.19 14:33, James Dingwall wrote: On Tue, Oct 01, 2019 at 05:03:55PM +0200, Juergen Gross wrote: In case a user process using xenbus has open transactions and is killed e.g. via ctrl-C the following cleanup of the allocated resources might result in a deadlock due to trying to end a

Re: [Xen-devel] [PATCH] xen/xenbus: fix self-deadlock after killing user process

2019-10-21 Thread James Dingwall
On Tue, Oct 01, 2019 at 05:03:55PM +0200, Juergen Gross wrote: > In case a user process using xenbus has open transactions and is killed > e.g. via ctrl-C the following cleanup of the allocated resources might > result in a deadlock due to trying to end a transaction in the xenbus > worker thread:

Re: [Xen-devel] [PATCH] xen/xenbus: fix self-deadlock after killing user process

2019-10-07 Thread James Dingwall
On Tue, Oct 01, 2019 at 01:37:24PM -0400, Boris Ostrovsky wrote: > On 10/1/19 11:03 AM, Juergen Gross wrote: > > In case a user process using xenbus has open transactions and is killed > > e.g. via ctrl-C the following cleanup of the allocated resources might > > result in a deadlock due to trying

Re: [Xen-devel] [PATCH] xen/xenbus: fix self-deadlock after killing user process

2019-10-01 Thread Boris Ostrovsky
On 10/1/19 11:03 AM, Juergen Gross wrote: > In case a user process using xenbus has open transactions and is killed > e.g. via ctrl-C the following cleanup of the allocated resources might > result in a deadlock due to trying to end a transaction in the xenbus > worker thread: > > [ 2551.474706]

[Xen-devel] [PATCH] xen/xenbus: fix self-deadlock after killing user process

2019-10-01 Thread Juergen Gross
In case a user process using xenbus has open transactions and is killed e.g. via ctrl-C the following cleanup of the allocated resources might result in a deadlock due to trying to end a transaction in the xenbus worker thread: [ 2551.474706] INFO: task xenbus:37 blocked for more than 120