I have found a workaround for the SD card controller in my DELL Latitude 7250
with a SDXC card. I came accross this page:
http://www.0xf8.org/2016/01/workaround-for-broken-o2-micro-sd-card-reader-support-since-linux-kernel-version-4-1-8/
By setting "sdhci.debug_quirks2=0x4" as default kernel para
1) tud254222 ~$ sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date
A09
11/18/2015
2) I tested it against 4.4.0 and 4.4.0_rc8 since the latter is more recent
4.4.0:
[ 84.138626] sdhci: Timeout waiting for Buffer Read Ready interrupt during
tuning procedure, falling back to fi
in tonight, but it looks like
the same issue.
Well done though :) Keep at it!
Yours sincerely,
Frank
On Thu, Jan 14, 2016 at 4:18 PM, Blackgr wrote:
> Hello Dexter1,
>
> To my eyes this is the same issue as the one I reported under
> https://bugs.launchpad.net/ubuntu/+source/linux/+b
I've updated the bios to version A09 today and checked if the problem
still exists. It does.
So with the information from Blackgr i tested the two kernel versions
and i can indeed verify that kernel 4.1.8-040108-generic reads mt SDXC
card just fine (four line excerpt from dmesg):
[ 92.252656] m
I've updated the BIOS to version A08
tud254222 ~$ sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date
A08
10/19/2015
... but it does not address the issue: The SD card still cannot be found, even
after taking it out and re-inserting.
Same messages in dmesg as previously noted:
** Description changed:
I booted the machine with the SD card removed. I logged into Unity, inserted
the SD card and saw the error messages popping up in dmesg:
sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning
procedure, falling back to fixed sampling clock
mmc0: tuni
I tried the latest mainline linux kernel for wily: no sd-card and the same
errors in dmesg.
Oddly enough, an older 3.19.0-31 kernel which was still in my grub list also
showed the same behavior. I cannot recall this happening when i used 15.04
vivid.
I booted from a live stick with 15.04 and th
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1514821
Title:
SD card reader on Dell E7
Hello Christopher,
I've filed a new report with the ubuntu-bug linux command in a terminal
by your request. The report and data is now in bug #1514821
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https://bugs.launchpad.net/bugs/150
Public bug reported:
My experience with the SD card is the same as experienced by Simon James Greer
in bug #1509119
Christopher M. Penalver notified me that i would be ok to subscribe him to this
report.
> lsb_release -rd
Description:Ubuntu 15.10
Release:15.10
> apt-cache policy pk
I have a DELL E7250 Latitude and after the upgrade from 15.04 my SD
cardreader cannot read the Kingston 64GB SDXC anymore. Same error
messages in dmesg:
[1.886833] sdhci: Timeout waiting for Buffer Read Ready interrupt during
tuning procedure, falling back to fixed sampling clock
[1.88861
just to report that i've been hit by the exact same bug. Today I found
that$PREFIX/bin/rpcinfo which /etc/init.d/nfs-kernel-server calls does
not exist so i fixed it by changing it into $PREFIX/sbin/rpcinfo.
One can verify the fix by doing ps -ledaf | grep rpc.mountd and
checking its options. It
Installed Ubuntu 10.04 Netbook-edition last night on my EEEPC 901 4GB
native SSD, ext3. Same error message during the ubuntu logo display.
Have an additional 32 GB Runcore SATA for ext4 /home.
--
Udev worker error during boot "worker [XX] did not accept message -1
(Connection refused), kill it
h
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