umcs (4-Port-USB-serial) triggering way too much ehci IRQs

2013-09-16 Thread Harald Schmalzbauer
Hello, I have some of these 4-Port-Serial-USB-Hubs: http://www.delock.com/produkte/F_673_USB---Seriell_87414/merkmale.html They have the MosChip MCS7840 inside, wich also understands RS485/422 besides RS232. FreeBSDs umcs(4) supports the RS232 mode with standard baudrates and works with that dev

Re: Panic: 9.2-PRERELEASE - enc_daemon

2013-09-16 Thread John
- John's Original Message - > Hi Folks, > >I'm seeing a panic with the 9.2-PRERELEASE code. The system > will stay up for anywhere from a couple of seconds to a few hours > and then panic. I have continued to look at this problem and believe I have made some progress but still have

Re: zfs_enable vs zfs_load in loader.conf (but neither works)

2013-09-16 Thread J David
On Sun, Sep 15, 2013 at 11:13 AM, Andriy Gapon wrote: > Unfortunately, I am not sure if it is possible to obtain anu useful > information > from ddb and saving a crash dump is not possible in pre-init environment. > I could write a patch that would print some useful debugging info. > Will you abl

Re: umcs (4-Port-USB-serial) triggering way too much ehci IRQs

2013-09-16 Thread Lev Serebryakov
Hello, Harald. You wrote 16 сентября 2013 г., 20:11:38: HS> I have some of these 4-Port-Serial-USB-Hubs: HS> http://www.delock.com/produkte/F_673_USB---Seriell_87414/merkmale.html HS> They have the MosChip MCS7840 inside, wich also understands RS485/422 HS> besides RS232. HS> FreeBSDs umcs(4) sup

RE: umcs (4-Port-USB-serial) triggering way too much ehci IRQs

2013-09-16 Thread Hans Petter Selasky
Hi, Check using usbdump -i usbusX -f Y -s 65536 -vvv what is going on. Maybe some USB transfers are returning zero length data from the chip. --HPS -Original message- > From:Lev Serebryakov mailto:l...@freebsd.org> > > Sent: Monday 16th September 2013 23:38 > To: Harald Schmalzbaue