Re: Any SMP people out there with SCSI CD ROMs?
John L. Chmielewski (jlc@babylon.ims.att.com)
Wed, 10 Jun 1998 10:23:32 -0400 (EDT)
On Tue, 9 Jun 1998, Linus Torvalds wrote:
> The symptoms are a very noticeable and complete hard lockup, it appears.
> Which is extremely easy to believe if something is leaving the
> io_request_lock locked (or tries to get it recursively). That would
> certainly lock the machine completely.
>
> Which is why I asked for somebody who felt comfortable about spinlocks.
> Any help is appreciated, even just reports of how to reliably make this
> happen (for all I know it may be limited to just one specific driver), but
> let's be careful out there..
I do not have SMP, but I hang the machine completely everytime I access
a SCSI tape device. This also happens on 101, 102, and 103. I did not
try any other kernel versions. My system is a Pentium 90 with an adaptec
2940 controller. SMP support was left on in the makefile.
John Chmielewski
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