Date: Sat, 31 Mar 2012 12:25:48 -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: <201203311925.q2VJPmCB056070@ambrisko.com> In-Reply-To: <1333039719.3948.3.camel@powernoodle-l7.corp.yahoo.com>
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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; } 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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