Re: kern/55561: virtio panic on shutdown

[Thomas Klausner <wiz%NetBSD.org@localhost>]

The following reply was made to PR kern/55561; it has been noted by GNATS.

From: Thomas Klausner <wiz%NetBSD.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: jaromir.dolecek%gmail.com@localhost
Subject: Re: kern/55561: virtio panic on shutdown
Date: Sun, 16 Aug 2020 14:50:26 +0200

 On Sun, Aug 16, 2020 at 12:35:01PM +0000, Jaromír DoleÄ?ek wrote:
 >  Can you please check in dmesg which virtio device is being detached
 >  when the panic happens during shutdown? i.e. please include the 'XXX:
 >  detached' also for the panic case.
 
 Here are the lines before the panic:
 
 [ 176.1202650] syncing disks... done
 [ 176.1202650] unmounted procfs on /proc type procfs
 [ 176.1202650] unmounted ptyfs on /dev/pts type ptyfs
 [ 176.1202650] unmounted kernfs on /kern type kernfs
 [ 176.1802791] cd0: detached
 [ 176.1802791] sysbeep0: detached
 [ 176.1802791] midi0: detached
 [ 176.1802791] atapibus0: detached
 [ 176.1802791] iic0: detached
 [ 176.1802791] atabus1: detached
 [ 176.1802791] atabus0: detached
 [ 176.1802791] virtio2: detached
 [ 176.1802791] pchb0: detached
 [ 176.1802791] dk1 at sd0 (e393e85a-61ea-47b3-8bfe-c5246c290870) deleted
 [ 176.1802791] dk1: detached
 [ 176.1902770] forcefully unmounted /dev/dk0 on / type ffs
 [ 176.1902770] dk0 at sd0 (9a464653-ee78-4348-a0a1-09fa6e439d88) deleted
 [ 176.1902770] sd0: detached
 [ 176.1902770] scsibus0: detached
 [ 176.1902770] uvm_fault(0xffffbd210b241178, 0x0, 1) -> e
 [ 176.2003048] fatal page fault in supervisor mode
 [ 176.2103757] trap type 6 code 0 rip 0xffffffff80240fb0 cs 0x8 rflags 0x10246 cr2 0x41 ilevel 0 rsp 0xffff9600b0782d70
 [ 176.2103757] curlwp 0xffffbd20f6820540 pid 528.1 lowest kstack 0xffff9600b07802c0
 [ 176.2103757] Skipping crash dump on recursive panic
 [ 176.2103757] panic: trap
 
 
 Is that what you're looking for?
  Thomas