[DragonFlyBSD - Bug #2351] DFBSD v3.1.0.579.g44ccf - Stuck during startup, random freezes

["Antonio M. Huete Jimenez via Redmine" <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #2351 has been updated by Antonio M. Huete Jimenez.


Assigning 4GB to the VM let the redo recovery process to finish (it run for 25 minutes).

[...]
unable to find objid 000000018d81b043:00040000
run    record 30000000053d3800 objid 000000018d81b043 offset 00000000004dc800 flags 00000001
unable to find objid 000000018d81b043:00040000
run    record 30000000053d3a00 objid 000000018d81b043 offset 00000000004dc9c0 flags 00000001
unable to find objid 000000018d81b043:00040000
run    record 30000000053d3c00 objid 000000018d81b043 offset 00000000004dcb80 flags 00000001
unable to find objid 000000018d81b043:00040000
run    record 30000000053d3e00 objid 000000018d81b043 offset 00000000004dcd40 flags 00000001
unable to find objid 000000018d81b043:00040000
HAMMER(ROOT) End redo recovery

I've also been able get the dump I could make while the system froze on shutdown.

It's on pkgbox32:/build/home/tuxillo/crash/*.1

This VM was migrated from an on old VMware Workstation v6.5-7 to 8. It had also a HAMMER v4 system which I upgraded to v6 recently. To discard any setup or VMware issues I'll reinstall latest i386 onto a new VM and check it out.

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Bug #2351: DFBSD v3.1.0.579.g44ccf - Stuck during startup, random freezes
http://bugs.dragonflybsd.org/issues/2351

Author: Antonio M. Huete Jimenez
Status: In Progress
Priority: Normal
Assignee: 
Category: 
Target version: 


Hi,

VM machine running DFly i386 with 1GB RAM / 1GB swap.

I'm experiencing random freezes that do not allow me to escape to DDB even. Following Sascha's recommendation I attached a virtual serial port to the VM and I was able to dump on a freeze during a shutdown connecting via serial port. After I rebooted the VM, I get this:

Mounting root from hammer:da0s1d
HAMMER(ROOT) recovery check seqno=04071621
HAMMER(ROOT) recovery range 3000000001c14c40-30000000053d4000
HAMMER(ROOT) recovery nexto 30000000053d4000 endseqno=0408dd14
HAMMER(ROOT) recovery undo  3000000001c14c40-30000000053d4000 (58454976 bytes)(RW)
HAMMER(ROOT) Found REDO_SYNC 3000000001c14c40
HAMMER(ROOT) recovery complete
HAMMER(ROOT) recovery redo  3000000001c14c40-30000000053d4000 (58454976 bytes)(RW)
HAMMER(ROOT) Embedded extended redo 3000000001c14c40, 0 extbytes
Warning: bio_page_alloc: memory exhausted during bufcache page allocation from swapper
Warning: bio_page_alloc: memory exhausted during bufcache page allocation from swapper
Warning: bio_page_alloc: memory exhausted during bufcache page allocation from swapper
Warning: bio_page_alloc: memory exhausted during bufcache page allocation from swapper
Warning: bio_page_alloc: memory exhausted during bufcache page allocation from swapper
Warning: bio_page_alloc: memory exhausted during bufcache page allocation from swapper
Warning: bio_page_alloc: memory exhausted during bufcache page allocation from swapper
[...]

Goes to the infinite, system is stuck printing those messages.

I'll try to gather more information, but in the mean time any advise is appreciated.

Cheers,
Antonio Huete


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