From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Peter Stuge <peter@stuge.se>
Cc: arekm@maven.pl, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 1
Date: Fri, 24 Jul 2015 17:37:44 +0300 [thread overview]
Message-ID: <55B24DB8.4080703@linux.intel.com> (raw)
In-Reply-To: <20150724135332.2022.qmail@stuge.se>
On 24.07.2015 16:53, Peter Stuge wrote:
> Mathias Nyman wrote:
>> +++ b/drivers/usb/host/xhci-ring.c
>> @@ -82,7 +82,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg,
>> return 0;
>> /* offset in TRBs */
>> segment_offset = trb - seg->trbs;
>> - if (segment_offset > TRBS_PER_SEGMENT)
>> + if (segment_offset > TRBS_PER_SEGMENT - 1)
>
> Maybe change the > comparison to >= rather than add the extra "- 1"?
Yes, sure, I'll change it if this really was the cause.
Just happy to finally find a probable cause after staring at logs and code for some time
-Mathias
next prev parent reply other threads:[~2015-07-24 14:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-18 14:49 xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 1 Arkadiusz Miskiewicz
2015-07-20 20:13 ` Arkadiusz Miskiewicz
2015-07-21 14:45 ` Mathias Nyman
2015-07-22 14:12 ` Arkadiusz Miskiewicz
2015-07-24 11:59 ` Mathias Nyman
2015-07-24 13:39 ` Mathias Nyman
2015-07-24 13:53 ` Peter Stuge
2015-07-24 14:37 ` Mathias Nyman [this message]
2015-07-24 15:33 ` Arkadiusz Miskiewicz
2015-08-03 13:12 ` Mathias Nyman
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