Bug 607262
| Summary: | Read from /proc/xen/xenbus does not honor O_NONBLOCK | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Paolo Bonzini <pbonzini> |
| Component: | kernel | Assignee: | Paolo Bonzini <pbonzini> |
| Status: | CLOSED ERRATA | QA Contact: | Boris Ranto <branto> |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | 6.0 | CC: | branto, clalance, drjones, lihuang, qcai, xen-maint |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | kernel-2.6.32-112.el6 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 470801 | Environment: | |
| Last Closed: | 2011-05-23 20:40:10 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 470801 | ||
| Bug Blocks: | 523117 | ||
|
Description
Paolo Bonzini
2010-06-23 16:28:27 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux major release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Major release. This request is not yet committed for inclusion. reproducer:
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
int main()
{
char buf[256];
int fd = open ("/proc/xen/xenbus", O_RDONLY | O_NONBLOCK);
if (fd == -1) {
perror ("/proc/xen/xenbus");
exit (1);
}
alarm (5);
while (read (fd, buf, 256) == -1 && errno != EAGAIN)
;
puts ("works");
exit (0);
}
This issue has been proposed when we are only considering blocker issues in the current Red Hat Enterprise Linux release. It has been denied for the current Red Hat Enterprise Linux release. ** If you would still like this issue considered for the current release, ask your support representative to file as a blocker on your behalf. Otherwise ask that it be considered for the next Red Hat Enterprise Linux release. ** 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. It's upstream commit 6280f190 (from 2.6.36). Patch(es) available on kernel-2.6.32-112.el6 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-2011-0542.html |