Date: Sat, 31 Mar 2012 16:13:48 -0700 (PDT) From: Doug Ambrisko <ambrisko@ambrisko.com> To: sbruno@freebsd.org Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: [stable-ish 9] Dell R815 ipmi(4) attach failure Message-ID: <201203312313.q2VNDnE5098549@ambrisko.com>
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Doug Ambrisko writes:
| Sean Bruno writes:
| | Noting a failure to attach to the onboard IPMI controller with this dell
| | R815. Not sure what to start poking at and thought I'd though this over
| | here for comment.
| |
| | -bash-4.2$ dmesg |grep ipmi
| | ipmi0: KCS mode found at io 0xca8 on acpi
| | ipmi1: <IPMI System Interface> on isa0
| | device_attach: ipmi1 attach returned 16
| | ipmi1: <IPMI System Interface> on isa0
| | device_attach: ipmi1 attach returned 16
| | ipmi0: Timed out waiting for GET_DEVICE_ID
|
| I've run into this recently. A quick hack to fix it is:
|
| Index: ipmi.c
| ===================================================================
| RCS file: /cvs/src/sys/dev/ipmi/ipmi.c,v
| retrieving revision 1.14
| diff -u -p -r1.14 ipmi.c
| --- ipmi.c 14 Apr 2011 07:14:22 -0000 1.14
| +++ ipmi.c 31 Mar 2012 19:18:35 -0000
| @@ -695,7 +695,6 @@ ipmi_startup(void *arg)
| if (error == EWOULDBLOCK) {
| device_printf(dev, "Timed out waiting for GET_DEVICE_ID\n");
| ipmi_free_request(req);
| - return;
Correction get rid of the ipmi_free_request as well.
If you kldload then it doesn't have this issue. I've been doing that
on -current for a while so I didn't notice the regression when it happened.
| } else if (error) {
| device_printf(dev, "Failed GET_DEVICE_ID: %d\n", error);
| ipmi_free_request(req);
|
| The issue is that the wakeup doesn't actually wake up the msleep
| in ipmi_submit_driver_request. The error being reported is that
| the msleep timed out. This doesn't seem to be critical problem
| since after this things seemed to work work. I saw this on 9.X.
| Haven't seen it on 8.2. Not sure about -current.
|
| It doesn't happen on all machines.
|
| Doug A.
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