Re: Write errors on Cherrytrail eMMC

2015-10-20 Thread Bastien Nocera
On Fri, 2015-10-16 at 16:41 +0200, Bastien Nocera wrote: > > After testing, both patches need to be reverted to get a stable eMMC > on > the Surface 3. Where do we go from here? I filed: https://bugzilla.kernel.org/show_bug.cgi?id=106331 to make it easier for other Surface 3 users t

Re: Write errors on Cherrytrail eMMC

2015-10-16 Thread Bastien Nocera
On Fri, 2015-10-16 at 12:08 +0200, Bastien Nocera wrote: > On Sun, 2015-10-11 at 19:45 +0200, Bastien Nocera wrote: > > On Sat, 2015-10-10 at 09:05 +0800, Shawn Lin wrote: > > > > > > > > No, sdhci finally complete the tansfer. So, you can try to > > &

Re: Write errors on Cherrytrail eMMC

2015-10-16 Thread Bastien Nocera
On Sun, 2015-10-11 at 19:45 +0200, Bastien Nocera wrote: > On Sat, 2015-10-10 at 09:05 +0800, Shawn Lin wrote: > > > > > No, sdhci finally complete the tansfer. So, you can try to augment > > the > > timeout [here, mod_timer(&host->timer, timeout)] to see

Re: Write errors on Cherrytrail eMMC

2015-10-11 Thread Bastien Nocera
On Sat, 2015-10-10 at 09:05 +0800, Shawn Lin wrote: > > No, sdhci finally complete the tansfer. So, you can try to augment > the > timeout [here, mod_timer(&host->timer, timeout)] to see how the > things > going. I applied this patch to get some more debug, and increase the default timeout. I'

Write errors on Cherrytrail eMMC

2015-10-09 Thread Bastien Nocera
Heya, On a Cherrytrail device (the MS Surface 3), trying to install to the internal eMMC, I get write errors with the controller timing out. I'm using a self built 4.3.0-0.rc4.git3.2.fc24.x86_64. Any ideas? Cheers Oct 09 18:09:24 localhost kernel: mmc0: starting CMD25 arg 05ba4800 flags 0

Re: [RFC PATCH 0/4] mmc: sdhci: Support maximum DMA latency request via PM QoS

2015-07-22 Thread Bastien Nocera
Adrian Hunter intel.com> writes: > Ad hoc testing with Lenovo Thinkpad 10 showed a stress > test could run for at least 24 hours with the patches, > compared to less than an hour without. I've had the same sort of problems on 2 different BayTrail tablets (a Onda v975w and a WinBook TW100), usuall

Re: [Regression: mmc: sdhci-esdhc-imx: add runtime pm support]

2015-07-01 Thread Bastien Nocera
Hey Dong, > Some SDIO cards may not be able to work well without clock. I've been needing to use this particular patch on a BayTrail tablet with a Realtek 8723BS SDIO Wi-Fi chip to get Wi-Fi to be stable. This is using the most recent upstream Linus kernels as well. Is there any reason this parti

"Out of SW-IOMMU space" reading films from SD card

2015-06-04 Thread Bastien Nocera
Hey, I was travelling recently and stuffed a micro SD card full of films. I started reading the films on my laptop's builtin SD card reader, but started getting garbage on the screen after a little while. The error (repeated multiple times a second, until I stopped reading from the device): [ 5

Disabling PM fixes Wi-Fi stability

2014-12-12 Thread Bastien Nocera
Hey, On my Onda v975w tablet[1], using a non-upstreamed Realtek driver[2], I used to have the tablet hang after using Wi-Fi for a couple of minutes. I unfortunately couldn't get any stacktraces of the hang. I suspected Power Management in the SDHCI-ACPI driver to be a problem, as the Wi-Fi chipse