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| author | Zhang, Yanmin <yanmin_zhang@linux.intel.com> | 2009-06-16 13:35:11 +0800 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-06-16 14:30:13 -0700 |
| commit | 28eb27cf0839a30948335f9b2edda739f48b7a2e (patch) | |
| tree | 3278825cdfc730c4b44fcf18a41a2d96180030a3 /Documentation/PCI | |
| parent | 70298c6e6c1ba68346336b4ea54bd5c0abbf73c8 (diff) | |
| download | linux-stable-28eb27cf0839a30948335f9b2edda739f48b7a2e.tar.gz linux-stable-28eb27cf0839a30948335f9b2edda739f48b7a2e.tar.bz2 linux-stable-28eb27cf0839a30948335f9b2edda739f48b7a2e.zip | |
PCI AER: support invalid error source IDs
When the bus id part of error source id is equal to 0 or nosourceid=1,
make the kernel probe the AER status registers of all devices under the
root port to find the initial error reporter.
Reviewed-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'Documentation/PCI')
| -rw-r--r-- | Documentation/PCI/pcieaer-howto.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/PCI/pcieaer-howto.txt b/Documentation/PCI/pcieaer-howto.txt index f6b1ba7464dc..5408b9b39d89 100644 --- a/Documentation/PCI/pcieaer-howto.txt +++ b/Documentation/PCI/pcieaer-howto.txt @@ -61,6 +61,10 @@ be initiated although firmwares have no _OSC support. To enable the walkaround, pls. add aerdriver.forceload=y to kernel boot parameter line when booting kernel. Note that forceload=n by default. +nosourceid, another parameter of type bool, can be used when broken +hardware (mostly chipsets) has root ports that cannot obtain the reporting +source ID. nosourceid=n by default. + 2.3 AER error output When a PCI-E AER error is captured, an error message will be outputed to console. If it's a correctable error, it is outputed as a warning. |