while booting UML in 2.5.69 with spin lock debugging turned on I see a
few of the following:
arch/um/drivers/ubd_kern.c:391: spin_lock(arch/um/drivers/ubd_kern.c:a032c2c0) already locked by drivers/block/ll_rw_blk.c/996
drivers/block/ll_rw_blk.c:998: spin_unlock(arch/um/drivers/ubd_kern.c:a032c2c0) not locked
Unfortunately I cannot provide you with the back traces---it seems gdb
5.1.1 cannot show back traces in the UML compiled with gcc 3.2.
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