[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
dexter1, could you please advise to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1514821/comments/19
?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https:
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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Title:
SD card reader on Dell E7250 doesn't work in Ubuntu 15.10
To manage no
Christopher
Used ubuntu-bug linux
But sorry no idea how to subscribe you to it.
2016-09-11 7:22 GMT+01:00 Christopher M. Penalver <
christopher.m.penal...@gmail.com>:
> it will help immensely if you filed a new report with the Ubuntu
> repository kernel (not mainline/upstream) via a terminal:
dolfyn (hwkrus), it will help immensely if you filed a new report with the
Ubuntu repository kernel (not mainline/upstream) via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.
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It works and does not work; two ultra high speed DDR50 SDXC cards, same
brand, same type, one mounts and the other does not mount.
The mounting card:
[94183.755973] mmc0: new ultra high speed DDR50 SDXC card at address
[94183.756646] mmcblk0: mmc0: SL64G 59.5 GiB
[94183.770742] mmcblk0
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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dexter1, what would be helpful is if you confirmed that reverting the
offending commit fixes the issue with your hardware.
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Title:
SD card reader
I also find little point on doing that since both devices use the same Card
Reader.
Also tried the workaround but the performance hit was too big for me.
What's the average read/write speeds you get with the workaround
compared to the old kernels that are not affected by this bug?
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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
dexter1, as a sidebar, 4.4 came out after 4.4-rc8 as per:
http://www.spinics.net/lists/kernel/msg2158762.html
http://www.spinics.net/lists/kernel/msg2153302.html
The date stamp is related to how Ubuntu folks are adding/removing files,
not which came out first, and when.
** Tags removed: kernel-bu
dexter1, could you please advise to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1514821/comments/7
?
** Tags removed: latest-bios-a08
** Tags added: kernel-bug-exists-upstream-4.4-rc8 latest-bios-a09
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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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
dexter1:
1) Could you please post the results of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
2) In order to upstream this, could you please test the latest mainline
kernel (4.4) and advise to the results?
** Changed in: linux (Ubuntu)
Hi Alex,
Thanks for pointing out your thread on launchpad. You seem to have
progressed further than i am :)
I wasn't able to test all the kernel stuff because of the holidays,
apologies for that. I've just now read a few of the discussions with
Ulf and Peter. I have to reread it again tonight, but
Hello Dexter1,
To my eyes this is the same issue as the one I reported under
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1523178
Feel free to check the details there (and especially the last comment)
Kind Regards,
Alex
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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
Blackgr, it will help immensely if you filed a new report via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1514821
Title:
SD card reader on Dell E7250 doesn't work in Ubuntu 15.10
To manage
I experienced exactly the same errors with a Dell E7450 which is practically
the same one as the Dell E7250.
I'm on Ubuntu 15.10
Went through all the kernels from 3.19 to 4.2 (http://kernel.ubuntu.com
/~kernel-ppa/) and found out that until 4.1.8-040108-generic the SD card
readers played fine an
dexter1, the next step is to fully commit bisect from kernel 3.19 to 4.2
in order to identify the last good kernel commit, followed immediately
by the first bad one. This will allow for a more expedited analysis of
the root cause of your issue. Could you please do this following
https://wiki.ubuntu
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
dexter1, as per http://www.dell.com/support/home/us/en/19/product-
support/product/latitude-e7250-ultrabook/drivers an update to your
computer's buggy and outdated BIOS is available (A08). If you update to
this following https://help.ubuntu.com/community/BIOSUpdate does it
address the issue?
If it
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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Title:
SD card reader on Dell E7
** Tags added: bios-outdated-a08
** Description changed:
- 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.
+ I booted the machine with the SD card removed. I
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.3 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix th
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