[Linux-ia64] CMD649 driver in 2.5.5x

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2003-01-31 03:37:12
As of 2.5.59, the CMD649 IDE driver is still completely hosed.  It
reliably corrupts filesystems and trying to turn on DMA mode on a
zx1-based machine will cause an I/O TLB error.  The backtrace starts
like this:

 [<e0000000048c4b50>] sba_map_sg+0x410/0x7a0 sp=0xe00000003d6afc90 bsp=0xe00000003d6a94d0
 [<e0000000047de490>] ide_build_dmatable+0x330/0x340 sp=0xe00000003d6afcb0 bsp=0xe00000003d6a9478
 [<e0000000047defd0>] ide_start_dma+0x50/0x1a0 sp=0xe00000003d6afcb0 bsp=0xe00000003d6a9438
 [<e0000000047df190>] __ide_dma_read+0x70/0x260 sp=0xe00000003d6afcb0 bsp=0xe00000003d6a9400
 [<e0000000047c64e0>] do_rw_disk+0x4a0/0x1220 sp=0xe00000003d6afcb0 bsp=0xe00000003d6a9358

Someone want to take a look?

	--david
Received on Thu Jan 30 08:39:20 2003

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