On 22/07/2013 12:07, Konstantin Belousov wrote: > On Mon, Jul 22, 2013 at 11:50:24AM +0200, Dominic Fandrey wrote: >> Occasionally stopping amd freezes my system. It's a rare occurrence, >> and I haven't found a reliable way to reproduce it. >> >> It's also a real freeze, so there's no way to get into the debugger >> or grab a core dump. I only can perform the 4 seconds hard shutdown to >> revive the system. >> >> I run amd through sysutils/automounter, which is a scripting solution >> that generates an amd.map file based on encountered devices and devd >> events. The SIGHUP it sends to amd to tell it the map file was updated >> does not cause problems, only a SIGKILL may cause the freeze. >> >> Nothing was mounted (by amd) during the last freeze. >> >> I don't see any angle to tackle this, but I'm throwing it out here >> any way, in the hopes that someone actually has an idea how to approach >> the issue. > > Are you sure that the machine did not paniced ? Do you have serial console ?
No, I don't have one. All that I can tell is that everything freezes (i.e. Xorg screen and mouse). ACPI events like shutdown don't cause a reaction. And the system doesn't respond to ICMP queries. > The amd(8) locks itself into memory, most likely due to the fear of > deadlock. There are some known issues with user wirings in stable/9. > If the problem you see is indeed due to wiring, you might try to apply > r253187-r253191. >From head? That may be worth a try. It would be better for testing if I managed to reproduce the problem reliably, before I test patches. I see it's scheduled for MFC, soon. -- A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail? _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
