Re: kern/53066: nearly reproducable softint panic on shutdown

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR kern/53066; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/53066: nearly reproducable softint panic on shutdown
Date: Mon, 23 Apr 2018 09:55:01 +0200

 The code in -current does NOT work for me:
 
 [  42.9429700] panic: kernel diagnostic assertion "sc->sc_child || sc->sc_child2" failed: file "../../../../dev/usb/xhci.c", line 1239 
 [  42.9429700] cpu0: Begin traceback...
 [  42.9429700] vpanic() at netbsd:vpanic+0x16f
 [  42.9429700] ch_voltag_convert_in() at netbsd:ch_voltag_convert_in
 [  42.9429700] xhci_intr() at netbsd:xhci_intr+0xd4
 [  42.9429700] intr_biglock_wrapper() at netbsd:intr_biglock_wrapper+0x36
 [  42.9429700] Xhandle_ioapic_level1() at netbsd:Xhandle_ioapic_level1+0x6a
 [  42.9429700] --- interrupt ---
 [  42.9429700] Xspllower() at netbsd:Xspllower+0xe
 [  42.9429700] aprint_normal_dev() at netbsd:aprint_normal_dev+0x47
 [  42.9429700] config_detach() at netbsd:config_detach+0x410
 [  42.9429700] config_detach_all() at netbsd:config_detach_all+0x97
 [  42.9429700] cpu_reboot() at netbsd:cpu_reboot+0x19a
 [  42.9429700] sys_reboot() at netbsd:sys_reboot+0x75
 [  42.9429700] syscall() at netbsd:syscall+0x208
 
 
 I also tested NetBSD 8.0 RC1 and the problem does not happen there for me.
 
 Martin