Does FreeBSD support SB16C1058PCI RS-232 cards?

2011-03-25 Thread dieterbsd
I'm looking at the SYBA SD-PCI15029 8 port RS-232 PCI card http://www.sybausa.com/productInfo.php?iid=994 $32.99 from newegg: http://www.newegg.com/Product/Product.aspx?Item=N82E16815124099 Chipset: SB16C1058PCI Compatible with 16C550 But... grep doesn't find any reference to the SB16C1058PCI

Bad symlink on ftp sites for 8.2 release

2011-02-26 Thread dieterbsd
There seems to be a bad symlink on the ftp sites for the 8.2 release: .../pub/FreeBSD/releases/amd64/8.2-RELEASE/packages - ../../../ports/amd64/packages-8.2-release ___ freebsd-questions@freebsd.org mailing list

Why does printf(9) hang network?

2011-02-05 Thread dieterbsd
Why would doing a printf(9) in a device driver (usb, firewire, probably others) cause an obscenely long lockout on /usr/src/sys/kern/uipc_sockbuf.c:148 (sx:so_rcv_sx) ? Printf(9) alone isn't the problem, adding printfs to chown(2) does not cause the problem, but printfs from device drivers do.

Re: lock contention problem?

2011-01-14 Thread dieterbsd
It might be a hardware resource starvation problem. It is possible to nice umass by simply adding a line like: .interval = 2,/* 2 milliseconds */ Thanks, but it didn't help. Also tried setting it to 1, 4, and 20. http://svn.freebsd.org/changeset/base/217350 Is

lock contention problem?

2011-01-13 Thread dieterbsd
I suspect that I have a problem with lock/mutex contention. Reading from a USB disk appears to lock out the firewire driver for too long, causing data transfer (writing to firewire bus) to fail with EAGAIN. Once it fails it does not recover. kernel: fwohci1: IT DMA underrun (0x40308011) (stat

Re: JMicron JMB363 PCIe controller doesn't work

2010-11-25 Thread dieterbsd
Wojciech Puchar writes: This crappy controllers have builtin bios that don't allow selecting AHCI mode. The controller itself may be ok. The BIOS is certainly crappy. I have a couple of JMB363 PCIe x1 cards. If I plug one into a certain slot the machine hangs on boot (doesn't make it out of