Re: kern/57007: NetBSD/amd64 9.99.99 on AMD Ryzen 7 5800U is very unstable

[Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>]

Hi,

Could you show me your kernel configuration?

On 2022/09/13 4:35, ryoon%NetBSD.org@localhost wrote:
> > Number:         57007
> > Category:       kern
> > Synopsis:       NetBSD/amd64 9.99.99 on AMD Ryzen 7 5800U is very unstable
> > Confidential:   no
> > Severity:       serious
> > Priority:       medium
> > Responsible:    kern-bug-people
> > State:          open
> > Class:          sw-bug
> > Submitter-Id:   net
> > Arrival-Date:   Mon Sep 12 19:35:00 +0000 2022
> > Originator:     Ryo ONODERA
> > Release:        NetBSD 9.99.99
> > Organization:
> Ryo ONODERA // ryo%tetera.org@localhost
> PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB  FD1B F404 27FA C7D1 15F3
> > Environment:
> 	
> 	
> System: NetBSD brownie 9.99.99 NetBSD 9.99.99 (DTRACE8) #9: Mon Sep 12 12:30:43 JST 2022 ryoon@brownie:/usr/world/9.99/amd64/obj/sys/arch/amd64/compile/DTRACE8 amd64
> Architecture: x86_64
> Machine: amd64
> > Description:
> After this commit
> https://mail-index.netbsd.org/source-changes/2022/09/12/msg140933.html
> NetBSD/amd64 under HP Envy 13 ay1000 (AMD Ryzen 7 5800U) panics.
> In some case, I cannot get kernel coredumps.
> The backtraces from crash(8) are as follows.
>
> $ crash -M netbsd.16.core -N netbsd.16
> Crash version 9.99.99, image version 9.99.99.
> crash: _kvm_kvatop(0)
> Kernel compiled without options LOCKDEBUG.
> System panicked: trap
> Backtrace from time of crash is available.
> crash> bt
> __kernel_end() at 0
> kern_reboot() at sys_reboot
> vpanic() at vpanic+0x18d
> panic() at vprintf
> trap() at startlwp
> --- trap (number 6) ---
> copyin() at copyin+0x2f
> ubc_uiomove() at ubc_uiomove+0x104
> ffs_write() at ffs_write+0x265
> VOP_WRITE() at VOP_WRITE+0xa6
> vn_write() at vn_write+0x10e
> dofilewrite() at dofilewrite+0x80
> sys_write() at sys_write+0x49
> syscall() at syscall+0x1fc
> --- syscall (number 4) ---
> syscall+0x1fc:
> crash>
>
> $ crash -M netbsd.0.core -N netbsd.0
> Crash version 9.99.99, image version 9.99.99.
> crash: _kvm_kvatop(0)
> Kernel compiled without options LOCKDEBUG.
> System panicked: fpudna from kernel, ip 0xffffffff806cd916, trapframe 0xffffd30423673c90
> Backtrace from time of crash is available.
> crash> bt
> __kernel_end() at 0
> kern_reboot() at sys_reboot
> vpanic() at vpanic+0x18d
> panic() at vprintf
> fpudna() at fpu_set_default_cw
> Xtrap07() at Xtrap07+0xb5
> uvm_swap_io() at uvm_swap_io+0x4c3
> swapcluster_flush() at swapcluster_flush+0x50
> uvm_pageout() at uvm_pageout+0x391
> crash>
>
> And after this commit
> https://mail-index.netbsd.org/source-changes/2022/09/12/msg140933.html
> my situation becomes worse.
> My environment suddenly stops and I cannot get kernel coredumps.
> 	
> > How-To-Repeat:
> Run NetBSD/amd64 9.99.99 on HP Envy 13 ay1000 laptop.
> 	
> > Fix:
> I have no idea.
> 	
>
> > Unformatted:
>   	
>   	

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Device Engineering Section,
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Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>