Messages in this thread Patch in this message | | | Date | Mon, 26 Jul 2004 22:57:41 +0200 | From | Ingo Molnar <> | Subject | Re: no luck with max_sectors_kb (Re: voluntary-preempt-2.6.8-rc2-J4) |
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* Rudo Thomas <rudo@matfyz.cz> wrote:
> After setting it to 32 (the hw max is 128), userland programs fail > with I/O errors. Setting it back to 128 gets it back to working, sort > of. The errors probably get bufferred somewhere. > > During the "bad" setting (32), messages like this one show up in kernel log. > > bio too big device hda3 (104 > 64)
does the patch below, ontop of -J7, help?
Ingo
--- drivers/block/ll_rw_blk.c.orig +++ drivers/block/ll_rw_blk.c @@ -2447,11 +2447,11 @@ end_io: break; } - if (unlikely(bio_sectors(bio) > q->max_sectors)) { + if (unlikely(bio_sectors(bio) > q->max_hw_sectors)) { printk("bio too big device %s (%u > %u)\n", bdevname(bio->bi_bdev, b), bio_sectors(bio), - q->max_sectors); + q->max_hw_sectors); goto end_io; } - 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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