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Date: Thu, 21 Feb 2008 09:41:13 -0600 From: James Bottomley <James.Bottomley@...senPartnership.com> To: markh@...pro.net Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: New 2.6.24.2 SG_IO SCSI problems On Thu, 2008-02-21 at 10:15 -0500, Mark Hounschell wrote: > I seem to have run into some sort of regression in the SG_IO interface of 2.6.24.2. > I have an application that up until 2.6.24 worked fine. The 2.6.23.16 kernel works fine. > > During reads I get these kernel messages. Writes and other functions _seem_ OK. Actually basic > reads are working. Its with large BC reads using an io_vec list that the problem shows up. > > Feb 21 09:27:51 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase. Tag == 0x1. > Feb 21 09:27:51 harley kernel: (scsi1:A:2:0): Have seen Data Phase. Length = 256. NumSGs = 1. > Feb 21 09:27:51 harley kernel: sg[0] - Addr 0x06256100 : Length 256 Help me a little here. What was the io_vec and command you sent in to produce this? The aic debugging information implies a single element sg list for a 256 byte read. James -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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