On 8/1/05, Lukasz Kosewski <[email protected]> wrote:
> Patch 03: Have sata_promise use the perfect, flawless API from the
> previous patch
Hmmm... Flawless :)
Then I must have found an undocumented feature! I've applied this set
of patches to a 2.6.11 kernel (with few problems) and ran into a bunch
of "scheduling while atomic" errors when hotplugging a drive, culprit
being probably scsi_sysfs.c where scsi_remove_device locks a mutex, or
perhaps when it then calls class_device_unregister, which does a
'down_write'.
Perhaps we need some sort of workqueue for hotplug requests to get
them out of the atomic interrupt handler context where they originate?
--
Jim Ramsay
"Me fail English? That's unpossible!"
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