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Today's Topics:
1. Openmoko Bug #2209: alsactl restore wakes up X
(Openmoko Public Trac)
2. Re: Openmoko Bug #2073: voice-recording.state + arecord:
Unable to handle kernel NULL pointer dereference at virtual
address 00000000 (Openmoko Public Trac)
--- Begin Message ---
#2209: alsactl restore wakes up X
-----------------------------+----------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: normal | Milestone:
Component: System Software | Version:
Severity: normal | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible:
-----------------------------+----------------------------------------------
{{{
Steps to reproduce:
1) alsactl -f stereout.state restore
2) xset s 10 5
3) wait for X to turn display off
4) alsactl -f gsmhandset.state restore
Expected results:
4) alsactl changes sound configuration but does not affect display
Actual results:
4) display is turned on
More info:
1) strace shows that xserver-xglamo reads one byte from fd 0
(/dev/tty2) when alsactl is ran:
13:09:39.424700 gettimeofday({1231844979, 425590}, NULL) = 0
13:09:39.427042 --- SIGALRM (Alarm clock) @ 0 (0) ---
13:09:39.429421 --- SIGIO (I/O possible) @ 0 (0) ---
13:09:39.430684 read(0, "w"..., 256) = 1
13:09:39.435815 gettimeofday({1231844979, 436702}, NULL) = 0
13:09:39.438910 read(0, 0x3ff28a0, 256) = -1 EAGAIN (Resource temporarily
unavailable)
13:09:39.441274 read(5, 0x13c5a4, 256) = -1 EAGAIN (Resource temporarily
unavailable)
13:09:39.445092 ioctl(6, EVIOCGVERSION, 0x3ff28b4) = 0
13:09:39.448269 ioctl(6, 0x80204520, 0x3ff28b0) = 4
13:09:39.450572 ioctl(6, 0x80404523, 0x3ff28a8) = 8
2) Switching to gsmhandset.state seems to always write "w" and
switching to stereout.state seems to write "\367". Any idea where
these values come from?
}}}
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2209>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2073: voice-recording.state + arecord: Unable to handle kernel NULL pointer
dereference at virtual address 00000000
---------------------+------------------------------------------------------
Reporter: lindi | Owner: openmoko-devel
Type: defect | Status: new
Priority: normal | Milestone:
Component: unknown | Version:
Severity: normal | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
---------------------+------------------------------------------------------
Comment(by lindi):
With
{{{
1) alsactl -f voice-recording.state restore
2) arecord -c 1 -f S16_LE -c2 -r22050
}}}
I see that in
{{{
runtime->hw.rates =
codec_dai->capture.rates & cpu_dai->capture.rates;
}}}
of soc-core.c
{{{
codec_dai->capture.rates == 0x00000000
cpu_dai->capture.rates == 0x000006fe
}}}
when arecord tries to open the device. It also seems that
neo1973_gta02_hifi_hw_params of neo1973_gta02_wm8753.c is not
called. If run arecord first then this function is called.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2073#comment:11>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
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