Messages in this thread Patch in this message | | | Date | Tue, 4 May 1999 04:24:11 -0400 (EDT) | From | Alexander Viro <> | Subject | Re: pre-patch-2.2.8-series candidate, TESTERS NEEDED... |
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On Tue, 4 May 1999, Andre M. Hedrick wrote:
> > Patch will not be uploaded to the list......get it at :: > http://www.dyer.vanderbilt.edu/ > server/udma/2.2.7.uniform-ide-6.19.delta.patch.gz
Andre, while we are at it, could you apply the following patch to ide-disk.c? Bright IBM boys produced a large disk that reports 0x3fff*15*63 instead of 0x3fff*16*63. The patch below fixed the problem. TIA, Al
--- ide-disk.c.old Tue May 4 04:21:48 1999 +++ ide-disk.c Tue May 4 04:27:06 1999 @@ -101,6 +101,15 @@ id->cyls = lba_sects / (16 * 63); /* correct cyls */ return 1; /* lba_capacity is our only option */ } + /* + * ... and at least one TLA VBC has POS instead of brain and can't + * tell 16 from 15. + */ + if ((id->lba_capacity >= 15481935) && (id->cyls == 0x3fff) && + (id->heads == 15) && (id->sectors == 63)) { + id->cyls = lba_sects / (15 * 63); /* correct cyls */ + return 1; /* lba_capacity is our only option */ + } /* perform a rough sanity check on lba_sects: within 10% is "okay" */ if ((lba_sects - chs_sects) < _10_percent) { return 1; /* lba_capacity is good */
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