Messages in this thread Patch in this message | | | Date | Fri, 24 Dec 1999 10:29:01 +0100 | From | Manfred Spraul <> | Subject | Re: Bug at spinlock.h line 92 |
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German Jose Gomez Garcia wrote: > > > > The request function of your hardware device driver returned without > > owning the io_request_lock. > > It is a SCSI ZIP disk attached to an onboard AIC7890 (included in a > Supermicro PDBU motherboard) > I could reproduce it too: * sym53810 [compiled as module] * Iomega ZIP [no disk inserted] * scsi midlayer statically linked into the kernel
if I start "modprobe sym53c8xx", then the kernel causes an oops.
The patch below fixes the problem.
german, could you try the patch below?
-- Manfred--- 2.3/drivers/scsi/scsi_lib.c Tue Dec 21 09:35:12 1999 +++ build-2.3/drivers/scsi/scsi_lib.c Fri Dec 24 09:50:00 1999 @@ -821,12 +821,14 @@ * get those allocated here. */ if (!SDpnt->scsi_init_io_fn(SCpnt)) { + spin_lock_irq(&io_request_lock); continue; } /* * Initialize the actual SCSI command for this request. */ if (!STpnt->init_command(SCpnt)) { + spin_lock_irq(&io_request_lock); continue; } } | |