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Added debug info at the place that seems to deadlock in SMP systems with > 2 CPUs 

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23209 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen 2008-01-01 20:45:29 +00:00
parent 8c27b8623d
commit 7eb5430510
1 changed files with 2 additions and 0 deletions
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2
src/add-ons/kernel/bus_managers/ide/devices.c
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@ -216,6 +216,7 @@ scan_device_int(ide_device_info *device, bool atapi)
// do a short wait first - if there's no device at all we could wait forever
// ToDo: have a look at this; if it times out (when the time is too short),
// the kernel seems to crash a little later)!
TRACE("scan_device_int: waiting 100ms...\n");
if (acquire_sem_etc(bus->sync_wait_sem, 1, B_RELATIVE_TIMEOUT, 100000) == B_TIMED_OUT) {
bool cont;
@ -248,6 +249,7 @@ scan_device_int(ide_device_info *device, bool atapi)
// there is something, so wait for it
acquire_sem(bus->sync_wait_sem);
}
TRACE("scan_device_int: got a fast response\n");
// cancel the timeout manually; usually this is done by wait_for_sync(), but
// we've used the wait semaphore directly