Date: Mon, 6 Mar 2017 02:05:39 -0800 From: Mark Millard <markmi@dsl-only.net> To: markj@FreeBSD.org, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Cc: Justin Hibbits <chmeeedalf@gmail.com>, Nathan Whitehorn <nwhitehorn@freebsd.org> Subject: Re: powerpc64 head -r314687 (PowerMac G5 so-called "Quad Core", clang based): CAM status: Command timeout (always?) Message-ID: <4C78F6AA-5ABD-4445-B5EF-4E6778CE36FE@dsl-only.net> In-Reply-To: <98A62E0D-C2A0-40B1-AE6D-5810906208AE@dsl-only.net> References: <98A62E0D-C2A0-40B1-AE6D-5810906208AE@dsl-only.net>
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On 2017-Mar-6, at 1:37 AM, Mark Millard <markmi at dsl-only.net> wrote: > When I tried to jump from head -r314479 to -r314687 the -r314687 kernel > the result failed by always(?) getting: > > CAM status: Command timeout > > for: > > ATAPI_IDENTIFY > INQUIRY > DSM TRIM > READ_DMA48 > SETFEATURES ENABLE RCACHE > WRITE_DMA48 > etc. > > at: > > ada0:ata2:0:0:0 > aprobe0:ata0:0:0:0 > > Booting with the older -r314479 works fine (same -r314687 world). > > [FYI: It is a ufs context.] > > > The only thing that looks likely to me for > the change in behavior is. . . > > Author: markj > Date: Fri Mar 3 20:51:57 2017 > New Revision: 314624 > URL: > https://svnweb.freebsd.org/changeset/base/314624 > > > Log: > Reject userland CCBs that have CAM_UNLOCKED set. > > CAM_UNLOCKED is internal flag and cannot correctly be set by userland. > Return EINVAL from CAMIOCOMMAND and CAMIOQUEUE if it is set. > > Also fix leaks in some of the error paths for CAMIOQUEUE. > > PR: 215356 > Reviewed by: ken, mav > MFC after: 1 week > Differential Revision: > https://reviews.freebsd.org/D9869 > > > Modified: > head/sys/cam/cam_xpt.c > head/sys/cam/scsi/scsi_pass.c > > > > [This may just mean that it exposes other problems.] Yep: reverting the two files allowed the PowerMac G5 so-called "Quad Core" to boot fully and I could log in. It appears that if such powerpc64 machines are to stay bootable then other things need to be cleaned up before the two updated files from -r314624 should be used. Should the 2 files be reverted until other things are cleaned up? === Mark Millard markmi at dsl-only.net
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