Re: kernel 2.6.38.6 MMC controller problem (fwd)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



"divide error"???... hmmm, maybe one of SDHCI maintainers has to look at 
it?:)

Thanks
Guennadi

On Mon, 16 May 2011, David Strobach wrote:

> It's actually an oops. The backtrace is attached.
> 
> David
> 
> On Mon, May 16, 2011 at 09:06, Guennadi Liakhovetski
> <g.liakhovetski@xxxxxx>wrote:
> 
> > (added the ML and previous discussion participants to CC)
> >
> > Looks like my patch was indeed less obviious, than we thought. We need a
> > lock-up backtrace, I guess. David, can you use a sysrq to get a trace?
> > Something like
> >
> > echo w > /proc/sysrq-trigger
> > or even
> > echo t > /proc/sysrq-trigger
> >
> > and provide traces? The one with 't' will be probably huge, so, maybe you
> > could do it with as few tasks running as possible, maybe without a
> > graphical login. Or I would have to test it with my Laptop, to which I'll
> > get access tomorrow.
> >
> > Thanks
> > Guennadi
> > ---
> > Guennadi Liakhovetski, Ph.D.
> > Freelance Open-Source Software Developer
> > http://www.open-technology.de/
> >
> > ---------- Forwarded message ----------
> > Date: Mon, 16 May 2011 01:57:04 +0200
> > From: David Strobach <lalochcz@xxxxxxxxx>
> > To: gregkh@xxxxxxx, g.liakhovetski@xxxxxx
> > Cc: horms@xxxxxxxxxxxx, damm@xxxxxxxxxxxxx
> > Subject: kernel 2.6.38.6 MMC controller problem
> >
> > Hello,
> >
> > I found (by bisection), that the commit 3fe962c (
> >
> > http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.38.y.git;a=commit;h=3fe962c04818a4634255beb3be9f236d36350543
> > )
> > introduced regression in MMC card detection. The card is either not
> > detected
> > or causes the system to hang. There is related forum thread at
> > https://bbs.archlinux.org/viewtopic.php?id=118751. Relevant part of my own
> > log follows:
> >
> > May 16 00:15:13 localhost kernel: [  134.670685] mmc0: new SD card at
> > address aaaa
> > May 16 00:15:23 localhost kernel: [  144.715115] mmc0: Timeout waiting for
> > hardware interrupt.
> > May 16 00:15:23 localhost kernel: [  144.715119] sdhci: ===========
> > REGISTER
> > DUMP (mmc0)===========
> > May 16 00:15:23 localhost kernel: [  144.715126] sdhci: Sys addr:
> > 0xbae85840
> > | Version:  0x00000400
> > May 16 00:15:23 localhost kernel: [  144.715133] sdhci: Blk size:
> > 0x00007040
> > | Blk cnt:  0x00000001
> > May 16 00:15:23 localhost kernel: [  144.715140] sdhci: Argument:
> > 0x00000200
> > | Trn mode: 0x00000013
> > May 16 00:15:23 localhost kernel: [  144.715146] sdhci: Present:
> >  0x01ff0001
> > | Host ctl: 0x00000003
> > May 16 00:15:23 localhost kernel: [  144.715153] sdhci: Power:
> >  0x0000000f
> > | Blk gap:  0x00000000
> > May 16 00:15:23 localhost kernel: [  144.715159] sdhci: Wake-up:
> >  0x00000000
> > | Clock:    0x00000100
> > May 16 00:15:23 localhost kernel: [  144.715166] sdhci: Timeout:
> >  0x00000009
> > | Int stat: 0x00000000
> > May 16 00:15:23 localhost kernel: [  144.715172] sdhci: Int enab:
> > 0x02ff00cb
> > | Sig enab: 0x02ff00cb
> > May 16 00:15:23 localhost kernel: [  144.715178] sdhci: AC12 err:
> > 0x00000000
> > | Slot int: 0x00000000
> > May 16 00:15:23 localhost kernel: [  144.715185] sdhci: Caps:
> > 0x01e032b2
> > | Caps_1:   0x00000000
> > May 16 00:15:23 localhost kernel: [  144.715192] sdhci: Cmd:
> >  0x0000101a
> > | Max curr: 0x00000040
> > May 16 00:15:23 localhost kernel: [  144.715194] sdhci:
> > ===========================================
> > May 16 00:15:31 localhost kernel: [  152.604505] mmc0: Card removed during
> > transfer!
> > May 16 00:15:31 localhost kernel: [  152.604511] mmc0: Resetting
> > controller.
> > May 16 00:15:31 localhost kernel: [  152.604568] mmcblk0: unable to set
> > block size to 512: -123
> > May 16 00:15:31 localhost kernel: [  152.604687] mmcblk: probe of mmc0:aaaa
> > failed with error -22
> > May 16 00:15:31 localhost kernel: [  152.801534] mmc0: card aaaa removed
> > May 16 00:15:31 localhost kernel: [  152.814827] mmc0: Got command
> > interrupt
> > 0x00030000 even though no command operation was in progress.
> > May 16 00:15:31 localhost kernel: [  152.814835] sdhci: ===========
> > REGISTER
> > DUMP (mmc0)===========
> > May 16 00:15:31 localhost kernel: [  152.814844] sdhci: Sys addr:
> > 0xbae85840
> > | Version:  0x00000400
> > May 16 00:15:31 localhost kernel: [  152.814853] sdhci: Blk size:
> > 0x00007040
> > | Blk cnt:  0x00000001
> > May 16 00:15:31 localhost kernel: [  152.814860] sdhci: Argument:
> > 0x00000200
> > | Trn mode: 0x00000013
> > May 16 00:15:31 localhost kernel: [  152.814867] sdhci: Present:
> >  0x01f00001
> > | Host ctl: 0x00000000
> > May 16 00:15:31 localhost kernel: [  152.814874] sdhci: Power:
> >  0x0000000f
> > | Blk gap:  0x00000000
> > May 16 00:15:31 localhost kernel: [  152.814881] sdhci: Wake-up:
> >  0x00000000
> > | Clock:    0x00004007
> > May 16 00:15:31 localhost kernel: [  152.814888] sdhci: Timeout:
> >  0x00000009
> > | Int stat: 0x00000000
> > May 16 00:15:31 localhost kernel: [  152.814895] sdhci: Int enab:
> > 0x00ff00c3
> > | Sig enab: 0x00ff00c3
> > May 16 00:15:31 localhost kernel: [  152.814902] sdhci: AC12 err:
> > 0x00000000
> > | Slot int: 0x00000000
> > May 16 00:15:31 localhost kernel: [  152.814909] sdhci: Caps:
> > 0x01e032b2
> > | Caps_1:   0x00000000
> > May 16 00:15:31 localhost kernel: [  152.814916] sdhci: Cmd:
> >  0x0000101a
> > | Max curr: 0x00000040
> > May 16 00:15:31 localhost kernel: [  152.814919] sdhci:
> > ===========================================
> >
> >
> > Regards
> > David Strobach
> >
> 

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux