Re: [10.99.12] Panic (softints stuck)

Taylor R Campbell a écrit :
>> Date: Wed, 22 Jan 2025 10:31:07 +0100
>> From: BERTRAND Joël <[email protected]>
>>
>> 	As there is a regression in recent -10.x kernel with iscsi initiator,
> 
> Is there a PR for this?  If not, can you please file one with details
> of the regression?

	If I remember, I have filled a PR. But I don't have PR number with
me... :-(
                                                                           I
>> have built a 10.99.12 kernel. iscsi initiator runs now as expected. I
>> haven't seen hard lock for a while. Nevertheless, system randomly panics
>> with :
>>
>> [ 347098.708000] ccb_timeout: num=1 total=0 disp=0 invalid
>> ccb=0xffff860021cec3e0
> 
> Can you please file a PR with this symptom (and the rest of the panic
> and stack trace)?  Once we can get a crash dump out, we can probably
> find what's going on with this.  It looks like something is hogging
> the mbuf pool mutex but it's not clear why and this `XXX Should never
> happen' printf is probably related.

	Filled.

>> 	I have checked, always the same panic message. I would have more
>> information, but as you see, "dump device 'is' bad". For a while, my
>> system is not able to write kernel dump. With -9, it worked. Never with
>> -10 (but without message). -10.99 complains against bad device. My swap
>> is on raid0b. Maybe kernel cannot write a dump on a raid slice.
> 
> I have filed PR kern/59024: dump fails on raid0b
> <https://gnats.NetBSD.org/59024> to track the dump issue.  Can you
> please update your kernel to HEAD (with sys/arch/amd64/amd64/machdep.c
> rev. 1.370) and try again?
> 
> Can you confirm that you had the same disk configuration in 9, 10, and
> HEAD -- that is, dump device configured to be raid0b, and the same
> disklabel type of swap for raid0b?

	This server was installer with -8.0 and upgraded. Disks have been
replaced, but disk configuration was the same from installation to now.

legendre:[~] > cat /etc/fstab
# NetBSD /targetroot/etc/fstab
# See /usr/share/examples/fstab/ for more examples.
/dev/raid0a             /               ffs     rw,log          1 1
/dev/raid0b             none            swap    sw,dp           0 0
/dev/raid0e             /usr            ffs     rw,log          1 2
/dev/raid0f             /var            ffs     rw,log          1 2
/dev/raid0g             /usr/src        ffs     rw,log          1 2
/dev/raid0h             /srv            ffs     rw,log          1 2
NAME=d762e77c-d2d5-4ecc-81ae-dfd9232d23c1  /home ffs rw,log     1 3
NAME=video              /opt/video      ffs     rw,log,noauto   0 0
NAME=bacula             /opt/bacula     ffs     rw,log,noauto   0 0
kernfs                  /kern           kernfs  rw
ptyfs                   /dev/pts        ptyfs   rw
procfs                  /proc           procfs  rw
/dev/cd0a               /cdrom          cd9660  ro,noauto
tmpfs                   /var/shm        tmpfs   rw,-m1777,-sram%25
legendre:[~] >

/home is a wedge (raid5, internal), /opt/video and /opt/bacula are iSCSI
targets. Dump seems to be /dev/raid0b.

	Regards,

	JB

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