From: viresh kumar <viresh.kumar@st.com>
To: Tejun Heo <tj@kernel.org>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
Shiraz HASHIM <shiraz.hashim@st.com>,
Armando VISCONTI <armando.visconti@st.com>,
amitgoel <amit.goel@st.com>
Subject: Re: MWDMA Issue: sda: unknown partition table
Date: Fri, 21 Jan 2011 15:58:56 +0530 [thread overview]
Message-ID: <4D395FE8.8000902@st.com> (raw)
In-Reply-To: <20110121101400.GC2832@htj.dyndns.org>
Tejun,
Thanks for your prompt reply!!
On 01/21/2011 03:44 PM, Tejun Heo wrote:
> On Fri, Jan 21, 2011 at 03:39:56PM +0530, viresh kumar wrote:
>> > I am implementing mwdma interface for arasan compact flash controller.
>> > I am facing a strange problem, when i insert CF card on my board (after bootup),
>> > in mwdma mode, i get following:
>> >
>> > ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen
> That's AC_ERR_ATA_BUS.
>
>> > Can somebody give any clue on which part i should try to look at?
> Yeah, someone is reporting CRC error.
I will check this.
But it seems unknown partition table is a different issue,
as this error is also coming in PIO mode, where i am able to get sda1 node
and able to read/write to card.
print in PIO mode:
# ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen
ata1: soft resetting link
ata1.00: CFA: TRANSCEND, 20091215, max UDMA/66
ata1.00: 62537328 sectors, multi 0: LBA
ata1.00: configured for PIO6
ata1.00: configured for PIO6
ata1: EH complete
scsi 0:0:0:0: Direct-Access ATA TRANSCEND 2009 PQ: 0 ANSI: 5
sd 0:0:0:0: Attached scsi generic sg0 type 0
sd 0:0:0:0: [sda] 62537328 512-byte logical blocks: (32.0 GB/29.8 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
sda: sda1
sd 0:0:0:0: [sda] Attached SCSI disk
--
viresh
next prev parent reply other threads:[~2011-01-21 11:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-21 10:09 MWDMA Issue: sda: unknown partition table viresh kumar
2011-01-21 10:14 ` Tejun Heo
2011-01-21 10:28 ` viresh kumar [this message]
2011-01-21 11:59 ` viresh kumar
2011-01-21 16:39 ` Tejun Heo
2011-01-22 4:08 ` Viresh Kumar
2011-01-22 11:45 ` Tejun Heo
2011-01-24 11:20 ` viresh kumar
2011-02-01 15:32 ` Viresh Kumar
2011-02-01 17:59 ` Eric D. Mudama
2011-02-02 3:43 ` viresh kumar
2011-02-02 5:55 ` Eric D. Mudama
2011-02-02 5:58 ` viresh kumar
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