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On Tue, Jun 05, 2007 at 11:31:46PM +0200, Mikael Pettersson wrote: > I can easily reproduce the problem in 2.6.22-rc4. There are no > sata_promise changes between rc3 and rc4, but Tejun's libata > polling SETXFER change was included in rc4. Reverting it makes > sata_promise work again for me. Ugh. > I suspect that sata_promise.c:pdc_interrupt() should detect > a qc w/ ATA_TFLAG_POLLING, treat the interrupt as spurious, > and just call ata_chk_status(qc), similar to how sata_inic162x.c, > sata_nv.c, sata_sil.c, and sata_vsc.c do things. Yes, highly likely. SFF-like controllers (and in this case, Promise is included in that list) with their own interrupt handlers need their own polling handling code. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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