Greetings,
Over the years using the xfce4 desktop, I would occasionally receive
SHM ERROR messages. As they never interfered (so's I could notice), I
always put off attempting to track the cause down. However, now having
performed a fairly major upgrade (~1yr since last), The error appears
to greatly affect KDE4 (used to use kde3) applications I run within
xfce4. The windows don't re-draw correctly, and I receive additional
errors,as well:
...
Resource id: 0x0
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Major opcode: 62 (X_CopyArea)
Resource id: 0x0
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Major opcode: 62 (X_CopyArea)
Resource id: 0x0
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Major opcode: 62 (X_CopyArea)
Resource id: 0x0
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Major opcode: 62 (X_CopyArea)
Resource id: 0x0
QCoreApplication::postEvent: Unexpected null receiver
...
After much searching, it would appear to be related to the
kern.ipc.shm* values.
pertinent details follow:
FreeBSD udns 8.4-STABLE FreeBSD 8.4-STABLE #3: Tue Jul 2 13:41:21 PDT 2013
root@udns:/usr/obj/usr/src/sys/AMD64 amd64
with 64Gb ram, and 3 cores, and nvidia-driver-308.88_1.
# ipcs -M
shminfo:
shmmax: 33554432 (max shared memory segment size)
shmmin: 1 (min shared memory segment size)
shmmni: 192 (max number of shared memory identifiers)
shmseg: 128 (max shared memory segments per process)
shmall: 8192 (max amount of shared memory in pages)
Thank you for all your time, and consideration.
--chris
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