Re: kern/38019: some kind of undetected deadlock slowly kills NetBSD-4.0_STABLE GENERIC.MP

["Greg A. Woods; Planix, Inc." <woods%planix.ca@localhost>]

The following reply was made to PR kern/38019; it has been noted by GNATS.

From: "Greg A. Woods; Planix, Inc." <woods%planix.ca@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/38019: some kind of undetected deadlock slowly kills 
NetBSD-4.0_STABLE GENERIC.MP
Date: Thu, 14 Feb 2008 16:10:21 -0500

 I got another crash dump today after the machine had begun to get  
 wedged, this time triggered by hitting <CTRL-T> on the console:
 
 Please let me know if these crash dumps could be of any use!
 
 kernel: supervisor trap page fault, code=0
 Stopped at      netbsd:ttyinfo+0xfb:    cmpb    $0,0x3b4(%eax)
 db{0}> trace
 ttyinfo(cea66e70,1,0,a03726f,ce9dfeb8) at netbsd:ttyinfo+0xfb
 ttyinput_wlock(5b062dd8,44623,ce9dff0c,61,c52a8600) at  
 netbsd:ttyinput_wlock+0xb
 ttyinput(14,cea66e70,4,0,c09c00b8) at netbsd:ttyinput+0x53
 comsoft(c52a8600,c0100da1,c0a4e280,0,c0100da1) at netbsd:comsoft+0x108
 softintr_dispatch(2,ce9d0010,30,10,80010010) at  
 netbsd:softintr_dispatch+0xb6
 Xsoftserial() at netbsd:Xsoftserial+0x2e
 --- interrupt ---
 netbsd:cpu_switch+0xab:
 db{0}> reboot 0x104
 
 dumping to dev 19,1 offset 10579195
 dump 3839 3838 3837 3836 3835 3834 3833 3832 3831 3830 3829 3828 3827  
 3826 3825
 
 
 -- 
                                        Greg A. Woods; Planix, Inc.
                                        <woods%planix.ca@localhost>