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List:       amarok
Subject:    Amarok is bugging udisks-daemon
From:       Andreas Roth <aroth () arsoft-online ! com>
Date:       2011-07-22 7:49:40
Message-ID: 3103244.33PZ3S5beO () ar
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Hi,

two or three days ago i noticed that the udisks-daemon is constantly active. 
It takes about 1-5% of CPU. At the same time the dbus-daemon also takes the 
same amount of CPU.
I found out that these daemons are quite active only when amarok is running. 
When i close amarok, the daemon activity returns to normal (nearly zero). I 
also tried to disable all plugins in amarok and disable the 'watch for file 
changes' on the collection scanner.
I've run a strace against the udisks-daemon and writes the following message 
to stderr:
write(2, "\n** (udisks-daemon:2797): WARNING **: Property get or set does not 
have an interface string as first arg\n\n", 106)
The other functions which are repeated are:
...
sendmsg(3, {msg_name(0)=NULL, 
msg_iov(2)=[{"l\2\1\1\10\0\0\0\30\216\f\0\37\0\0\0\6\1s\0\5\0\0\0:1.69\0\0\0\5\1u\0\202\355\0\0\10\1g\0\1v\0\0", \
 48}, {"\1b\0\0\0\0\0\0", 8}], msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 
56
recvmsg(3, {msg_name(0)=NULL, 
msg_iov(1)=[{"l\1\0\0010\0\0\0\203\355\0\0\236\0\0\0\1\1o\0$\0\0\0/org/freedesktop/UDi \
sks/devices/sda5\0\0\0\0\6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\37\0\0\0org. \
freedesktop.DBus.Properties\0\3\1s\0\3\0\0\0Get\0\0\0\0\0\10\1g\0\2ss\0\7\1s\0\5\0\0\0 \
:1.69\0\0\0\35\0\0\0org.freedesktop.UDisks.Device\0\0\0\7\0\0\0IdUsage\0OpticalDisc\0\0e\0\0\1\0\1?
 \0\0\0\21\2\0\0\236\0\0\0\1\1o\0#\0\0\0/org/freedesktop/UDisks/devices/sdb\0\0\0\0\0\ \
6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\37\0\0\0org.freedesktop.DBus.Properti \
es\0\3\1s\0\3\0\0\0Get\0\0\0\0\0\10\1g\0\2ss\0\7\1s\0\5\0\0\0:1.22\0\0\0\35\0\0\0org.f \
reedesktop.UDisks.Device\0\0\0\26\0\0\0DeviceIsMediaAvailable\0\0\0\0\1\0\1@\0\0\0\1\32\0\0\0\0\0\0\210H\267G\316\177\0\0\210H\267G\316\177\0\0 \
 \32\7\2\0\0\0\0 
\32\7\2\0\0\0\0devices/sdb\0\0\0\0\0\6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\ \
37\0\0\0org.freedesktop.DBus.Properties\0\3\1s\0\3\0\0\0Get\0\0\0\0\0\10\1g\0\2ss\0\7\ \
1s\0\5\0\0\0:1.41\0\0\0\35\0\0\0org.freedesktop.UDisks.Device\0\0\0\27\0\0\0DriveMedia \
Compatibility\0\0\0\236\0\0\0\1\1o\0#\0\0\0/org/freedesktop/UDisks/devices/sdb\0\0\0\0 \
\0\6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\37\0\0\0org.freedesktop.DBus.Prope \
rties\0\3\1s\0\3\0\0\0Get\0\0\0\0\0\10\1g\0\2ss\0\7\1s\0\5\0\0\0\0\0\7\1s\0\5\0\0\0:1. \
39\0\0\0\35\0\0\0org.freedesktop.UDisks.Device\0\0\0\r\0\0\0DeviceIsDrive\0l\1\0\1@\0\ \
0\0\214'\0\0\236\0\0\0\1\1o\0#\0\0\0/org/freedesktop/UDisks/devices/sdb\0\0\0\0\0\6\1s\0\26\0\0\0o"..., \
 2048}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 224
recvmsg(3, 0x7fffab844e40, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily 
unavailable)
sendmsg(3, {msg_name(0)=NULL, 
msg_iov(2)=[{"l\2\1\1\r\0\0\0\31\216\f\0\37\0\0\0\6\1s\0\5\0\0\0:1.69\0\0\0\5\1u\0\203\355\0\0\10\1g\0\1v\0\0", \
 48}, {"\1s\0\0\4\0\0\0raid\0", 13}], msg_controllen=0, msg_flags=0}, 
MSG_NOSIGNAL) = 61
recvmsg(3, {msg_name(0)=NULL, 
msg_iov(1)=[{"l\1\0\1\0\0\0\0\205\355\0\0\226\0\0\0\1\1o\0$\0\0\0/org/freedesktop/UDis \
ks/devices/sdb8\0\0\0\0\6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\37\0\0\0org.f \
reedesktop.DBus.Properties\0\3\1s\0\6\0\0\0GetAll\0\0\7\1s\0\5\0\0\0:1.69\0\0\0:1.69\0 \
\0\0\35\0\0\0org.freedesktop.UDisks.Device\0\0\0\7\0\0\0IdUsage\0\0pticalDisc\0\0e\0\0\1\0\1?
 \0\0\0\21\2\0\0\236\0\0\0\1\1o\0#\0\0\0/org/freedesktop/UDisks/devices/sdb\0\0\0\0\0\ \
6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\37\0\0\0org.freedesktop.DBus.Properti \
es\0\3\1s\0\3\0\0\0Get\0\0\0\0\0\10\1g\0\2ss\0\7\1s\0\5\0\0\0:1.22\0\0\0\35\0\0\0org.f \
reedesktop.UDisks.Device\0\0\0\26\0\0\0DeviceIsMediaAvailable\0\0\0\0\1\0\1@\0\0\0\1\32\0\0\0\0\0\0\210H\267G\316\177\0\0\210H\267G\316\177\0\0 \
 \32\7\2\0\0\0\0 
\32\7\2\0\0\0\0devices/sdb\0\0\0\0\0\6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\ \
37\0\0\0org.freedesktop.DBus.Properties\0\3\1s\0\3\0\0\0Get\0\0\0\0\0\10\1g\0\2ss\0\7\ \
1s\0\5\0\0\0:1.41\0\0\0\35\0\0\0org.freedesktop.UDisks.Device\0\0\0\27\0\0\0DriveMedia \
Compatibility\0\0\0\236\0\0\0\1\1o\0#\0\0\0/org/freedesktop/UDisks/devices/sdb\0\0\0\0 \
\0\6\1s\0\26\0\0\0org.freedesktop.UDisks\0\0\2\1s\0\37\0\0\0org.freedesktop.DBus.Prope \
rties\0\3\1s\0\3\0\0\0Get\0\0\0\0\0\10\1g\0\2ss\0\7\1s\0\5\0\0\0\0\0\7\1s\0\5\0\0\0:1. \
39\0\0\0\35\0\0\0org.freedesktop.UDisks.Device\0\0\0\r\0\0\0DeviceIsDrive\0l\1\0\1@\0\ \
0\0\214'\0\0\236\0\0\0\1\1o\0#\0\0\0/org/freedesktop/UDisks/devices/sdb\0\0\0\0\0\6\1s\0\26\0\0\0o"..., \
 2048}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 168
recvmsg(3, 0x7fffab844e40, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily 
unavailable)
sendmsg(3, {msg_name(0)=NULL, 
msg_iov(2)=[{"l\3\1\1d\0\0\0\32\216\f\0W\0\0\0\6\1s\0\5\0\0\0:1.69\0\0\0\4\1s\0(\0\0\0 \
org.freedesktop.DBus.Error.UnknownMethod\0\0\0\0\0\0\0\0\5\1u\0\205\355\0\0\10\1g\0\1s\0\0", \
 104}, {"_\0\0\0Method \"GetAll\" with signature \"\" on interface 
\"org.freedesktop.DBus.Properties\" doesn't exist\n\0", 100}], 
msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 204
...

What's really strange to me it the response from udisks-daemon telling the 
GetAll method does not exist on org.freedesktop.DBus.Properties. What does 
this mean?

Regards,
Andreas

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