Bug 636053 - read from virtio-serial returns if the host side is not connect to pipe
Summary: read from virtio-serial returns if the host side is not connect to pipe
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel
Version: 5.6
Hardware: All
OS: Linux
low
medium
Target Milestone: rc
: ---
Assignee: Amit Shah
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On: 624628
Blocks: 568128 580954
TreeView+ depends on / blocked
 
Reported: 2010-09-21 12:45 UTC by Amit Shah
Modified: 2013-01-09 23:10 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of: 624628
Environment:
Last Closed: 2011-01-13 21:21:25 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:0017 0 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 5.6 kernel security and bug fix update 2011-01-13 10:37:42 UTC

Comment 1 RHEL Program Management 2010-09-21 13:09:13 UTC 
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.
Comment 2 Amit Shah 2010-09-28 15:35:27 UTC 
Note for QE: to test this patch, open a port in the guest, using the fcntl syscall, set the O_ASYNC flag for the file and then open/close host connection.  The SIGIO signal should be received each time the host-side connection state is modified.

See

http://fedorapeople.org/gitweb?p=amitshah/public_git/test-virtserial.git;a=commitdiff;h=f50f751a4980447a465e5039272ae0b0d8708aed

for code that does this.
Comment 4 Jarod Wilson 2010-10-14 14:03:48 UTC 
in kernel-2.6.18-227.el5
You can download this test kernel (or newer) from http://people.redhat.com/jwilson/el5

Detailed testing feedback is always welcomed.
Comment 7 errata-xmlrpc 2011-01-13 21:21:25 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0017.html
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