Re: kernel BUG at drivers/block/cciss.c:1260! (with recentlinux-2.6 tree)

From: Andrew Vasquez
Date: Tue Jan 29 2008 - 13:22:40 EST


On Tue, 29 Jan 2008, Jens Axboe wrote:

> Andrew, can you try with this applied?
>
> diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
> index ef50068..bd7b352 100644
> --- a/drivers/block/cciss.c
> +++ b/drivers/block/cciss.c
> @@ -1257,7 +1257,7 @@ static void cciss_softirq_done(struct request *rq)
> #endif /* CCISS_DEBUG */
>
> if (blk_end_request(rq, (rq->errors == 0) ? 0 : -EIO, blk_rq_bytes(rq)))
> - BUG();
> + blk_dump_rq_flags(rq, "cciss rq");
>
> spin_lock_irqsave(&h->lock, flags);
> cmd_free(h, cmd, 1);

Here the final snippet that was logged:

[ 12.724997] input: USB HID v1.01 Mouse [HP Virtual Keyboard] on usb-0000:01:04.4-1
[ 12.728971] usbcore: registered new interface driver usbhid
[ 12.732866] drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
[ 12.741172] TCP cubic registered
[ 12.744506] NET: Registered protocol family 1
[ 12.744884] NET: Registered protocol family 17
[ 12.749217] Freeing unused kernel memory: 228k freed
[ 12.885823] cciss rq: dev cciss/c0d0: type=2, flags=104c8
[ 12.888929]
[ 12.888930] sector 6510615555426900570, nr/cnr 0/0
[ 12.892895] bio ffff81042f130730, biotail ffff81042f130730, buffer 0000000000000000, data 0000000000000000, len 0
[ 12.896895] cdb: 12 00 00 00 fe 00 00 00 00 00 00 00 00 00 00 00
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