Bug 736916
| Summary: | wrong default for ASPM | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | dietmar |
| Component: | kernel | Assignee: | John Feeney <jfeeney> |
| Status: | CLOSED NOTABUG | QA Contact: | Red Hat Kernel QE team <kernel-qe> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 6.1 | CC: | arozansk |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-09-23 14:27:20 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: | |||
No, this is a conscious decision. |
Description of problem: Current kernel seems to ignore BIOS settings for ASPM Here is a patch to fix the behaviour: --- linux-2.6-2.6.32/drivers/pci/pcie/aspm.c.org 2011-09-09 06:51:53.000000000 +0200 +++ linux-2.6-2.6.32/drivers/pci/pcie/aspm.c 2011-09-09 06:52:09.000000000 +0200 @@ -75,7 +75,7 @@ #define POLICY_DEFAULT 0 /* BIOS default setting */ #define POLICY_PERFORMANCE 1 /* high performance */ #define POLICY_POWERSAVE 2 /* high power saving */ -static int aspm_policy = POLICY_POWERSAVE; +static int aspm_policy = POLICY_DEFAULT; static const char *policy_str[] = { [POLICY_DEFAULT] = "default", [POLICY_PERFORMANCE] = "performance",