** Tags added: cscc
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https://bugs.launchpad.net/bugs/1523178
Title:
1217:8520 [Dell Latitude E7450] O2 Micro, SD/MMC Card Reader doesn't
work
To manage notifications about this bug
happydemic, to advise, making comments about the Ubuntu kernel upstream
is promptly ignored. They don't use Ubuntu kernels.
Despite this, if you would like your issue addressed, it will help immensely if
you use Ubuntu with the computer the problem is reproducible with and file a
new report via
Still present with Ubuntu 18.04.2 kernel 4.18.0-22-generic on a Dell
E7250:
lspci --nnk
01:00.0 SD Host controller [0805]: O2 Micro, Inc. SD/MMC Card Reader Controller
[1217:8520] (rev 01)
Subsystem: Dell SD/MMC Card Reader Controller [1028:062d]
Kernel driver in use: sdhci-pci
Kernel
Blackgr, to keep this relevant to upstream, one would want to
periodically check for, and test the latest mainline kernel (now
4.10-rc3) as it is released.
Could you please advise?
** Changed in: linux (Ubuntu)
Status: Triaged => Incomplete
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I just got the same issue on a Dell Latitude E5550 using 16.04.1 (kernel
4.4.0-57-generic).
The workaround described above works. For people who may be in a similar
situation:
sudo rmmod sdhci_pci sdhci_acpi
sudo rmmod sdhci
sudo modprobe sdhci debug_quirks2="0x1"
sudo
Bug still affects 16.04.01 with Kernel 4.4.0-34-generic.
That workaround does the trick, though.
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Title:
1217:8520 [Dell Latitude E7450] O2
** Description changed:
Under ubuntu 15.10 I can't use my Sandisk ultra 64GB microSD (with a SD
card adapter) with the built in SD card reader. I seem to be getting the
following errors.
[ 1268.126602] sdhci: Timeout waiting for Buffer Read Ready interrupt during
tuning procedure,
Yes Christopher,
I verify that I personally tested the WORKAROUND. I'm the Alex Ballas
who raised the bug report in the first place.
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Title:
Blackgr, to clarify, you personally tested this WORKAROUND and it worked
for your hardware?
** Tags added: xenial
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Title:
1217:8520 [Dell
This is still an issue under 16.04
Workaround provided under https://bugzilla.kernel.org/show_bug.cgi?id=109231#c3
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Title:
1217:8520 [Dell
Further feedback from upstream.
http://comments.gmane.org/gmane.linux.kernel.mmc/34979
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Title:
1217:8520 [Dell Latitude E7450] O2 Micro, SD/MMC
Blackgr, to advise, I'm not sure why you posted a bugzilla report when
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1523178/comments/11
didn't advise to do so. Also, that's why you can't add the necessary
people, as it's the wrong venue (the linux-mmc mailing list is the
correct one).
--
Blackgr, the issue you are reporting is an upstream one. Could you
please report this problem following the instructions verbatim at
https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate venue
(TO Adam Lee, Peter Guo, and Ulf Hansson CC linux-mmc)?
Please provide a direct URL to your
Hello Christopher,
Raised https://bugzilla.kernel.org/show_bug.cgi?id=109231
Could not include the people you mentioned though.
Please let me know if anything is missing.
Thanks
** Bug watch added: Linux Kernel Bug Tracker #109231
http://bugzilla.kernel.org/show_bug.cgi?id=109231
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Hello Christopher,
This is still an issue with the latest mainline kernel (4.4-rc4)
$ uname -a
Linux cosmo 4.4.0-040400rc4-generic #201512061930 SMP Mon Dec 7 00:32:31 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux
[1.248191] mmc0: tuning execution failed
[1.248195] mmc0: error -5 whilst
** Tags removed: kernel-bug-exists-upstream-4.4-rc3
** Tags added: kernel-bug-exists-upstream-4.4-rc4
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Title:
1217:8520 [Dell Latitude E7450] O2
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