Sorry for slightly off-topic post but (see below)
On Sun, 26 Jun 2011, Greg Rivers wrote:
On Sun, 26 Jun 2011, Hans Petter Selasky wrote:
On Sunday 26 June 2011 09:27:22 Greg Rivers wrote:
With this change, the USB bus continued to operate as expected while
attaching and detaching a USB flash drive. On start up, hald was not
detecting the attach/detach events, but started working and kept working
after restarting it. In summary, with both of the above changes,
everything worked pretty much correctly.
Try this patch to hald:
cd /usr/ports/sysutils/hal/files
fetch http://hselasky.homeunix.org:8192/patch-hald_freebsd_hf-usb2.c
cd ..
make all deinstall install clean
With this patch, and the CAM patches still in place, the USB bus works fine,
but hald never sees any attach/detach events, even after restarting it.
I reverted the CAM patches and tested again with the same result. So this
patch to hald does stop the CAM sg errors, and prevents the USB from wedging.
It just doesn't detect attach events.
--
Greg Rivers
_______________________________________________
I'm fairly aware this would be only a workaround rather than a proper
solution but isn't it enough to just tell hald to ignore /dev/sg*?
What I did was put into /usr/local/etc/hal/fdi/preprobe an fdi I've
spotted some time ago (sorry can't recall the original URL) and so far
everything works with patched HAL but without any changes to kernel.
amd64-CURRENT, desktop, USB mouse and storage devices (flash and HDD).
Hope this helps (and sorry for OT again),
Vladimir
//// 30-ignore-sg.fdi
<?xml version="1.0" encoding="UTF-8"?>
<deviceinfo version="0.2">
<device>
<!-- ignore /dev/sg[1,x]; we want hald to see the FreeBSD interface -->
<!-- put more devices if needed -->
<match key="block.device" string="/dev/sg1">
<merge key="info.ignore" type="bool">true</merge>
</match>
<match key="block.device" string="/dev/sg2">
<merge key="info.ignore" type="bool">true</merge>
</match>
<match key="block.device" string="/dev/sg3">
<merge key="info.ignore" type="bool">true</merge>
</match>
</device>
</deviceinfo>
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