kern/56976: Random panic on reading virtual memory

[Maxim Konovalov]

The following reply was made to PR kern/56976; it has been noted by GNATS.

From: Maxim Konovalov <maxim at macomnet.ru>
To: John Gillis <zefram at dante.zefram.net>
Cc: bug-followup at freebsd.org
Subject: Re: kern/56976: Random panic on reading virtual memory 
Date: Sun, 21 Sep 2003 11:12:20 +0400 (MSD)

 John,
 
 On Sat, 20 Sep 2003, 19:00-0400, John Gillis wrote:
 
 > > There were several bugs in PAE code committed 09/08/2003 and fixed
 > > after 30/08/2003.  Please upgrade and let me know if the bug is still
 > > present.
 >
 > 	Okay, I have the latest kernel running, labeled as "4.9-PRERELEASE
 > #7". I'm having a problem though.. I have two sound cards installed in my
 > computer (one onboard, the other PCI). It's worked without a problem since
 > 4.7, but with the latest kernel, it hangs upon detection of the pcm1. This
 > is from 4.8 (where it worked), but it'd stop BEFORE the last line (so, I
 > wouldn't see the codec):
 >
 > nvidia0: <GeForce4 Ti 4600> mem 0xe7800000-0xe787ffff,0xe8000000-0xeFffffff,
 > 0xe5000000-0xe5ffffff irq 11 at device 0.0 on pci1
 > pcm0: <CMedia CMI8738> port 0xd800-0xd8ff irq 10 at device 5.0 on pci0
 > wi0: <Intersil Prism2.5> mem 0xe6800000-0xe6800fff irq 11 at device 13.0 on pci0
 > wi0: 802.11 address: 00:06:25:09:21:77
 > wi0: using RF:PRISM2.5 MAC:ISL3874A(Mini-PCI)
 > wi0: IntErsil Firmware: Primary 1.01.00, Station 1.04.02
 > pcm1: <Creative EMU10K1> port 0xd400-0xd41f irq 10 at device 14.0 on pci0
 > pcm1: <TriTech TR28602 AC97 Codec>
 >
 > 	When I tried enabling PnP OS, the kernel threw up and couldn't
 > register mem address or something like that (sorry, no log of that).
 > Disabling that kld allows me to boot.
 >
 > 	Should I post a new PR or is this a known issue? I'll try to beat
 > down my VM sometime this week, so see if I get the segfault. Thanks,
 
 I believe this is a different issue and you should open a new PR.  I
 will wait for aa week and then close this one.  Thank you!
 
 -- 
 Maxim Konovalov, maxim at macomnet.ru, maxim at FreeBSD.org