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Subject[REGRESSION] 3.13-rc2: locks up hard on trying to transfer a file to mmc based internal SD card slot
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Just added linux-mmc. And I might git-bisect that at some time, but I do not 
intend to do it during my precious weekend. The chances of me bisecting it
increase with workable suggestions on how to cut down the amount of iterations
needed and avoid testing highly experimental between 3.12 and 3.13-rc1 kernels
on a production laptop. I may be willing to test a patch or two. As I see
there seem to have been quite some changes in MMC subsystem.




Hi!

Just does that on a ThinkPad T520 with:

merkaba:~> lspci -nn | grep MMC
0d:00.0 System peripheral [0880]: Ricoh Co Ltd PCIe SDXC/MMC Host Controller
[1180:e823] (rev 08)

Mouse pointer freezes, no Ctrl-Alt-F1.


merkaba:~> fdisk -l /dev/mmcblk0

Disk /dev/mmcblk0: 31.4 GB, 31439454208 bytes
255 heads, 63 sectors/track, 3822 cylinders, total 61405184 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
/dev/mmcblk0p1 8192 61405183 30698496 c W95 FAT32 (LBA


merkaba:/sys/block/mmcblk0#2> grep . * 2>/dev/null
alignment_offset:0
capability:10
dev:179:0
discard_alignment:0
ext_range:8
force_ro:0
inflight: 0 0
range:8
removable:0
ro:0
size:61405184
stat: 176 33 1672 102 0 0 0 0
0 102 102
uevent:MAJOR=179
uevent:MINOR=0
uevent:DEVNAME=mmcblk0
uevent:DEVTYPE=disk


I do not want to take the time to diagnose this further, especially as its one
of those nasty "I just lock up and I don´t tell you what went wrong" kind of
bugs. Thats just not a nice way to tell that there has been an error.


If there is any five or ten minute information gathering task, I am willing to
provide more information, but right now there is no chance on Earth that I
will be bisecting while having a long list of more interesting things to do
than that.


Thus for now I just use 3.12 kernel again. Maybe I will try with some rc5 or
so again.

Ciao,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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