Re: kernel panic during zfs pool import

From: Santiago Martinez <sm_at_codenetworks.net>
Date: Mon, 22 Aug 2022 10:50:28 UTC
Still the same with current.....(from today).

Opening a PR for it..

Santi


On 8/22/22 10:43, Santiago Martinez wrote:
> Thanks Toommas,
> I compiling current right now and will give it a try, hopefully, will 
> be able to mount and recover the machine.
> Will also open a PR as even if the is any corruption/pool damage it 
> should not panic the machine.
>
> Santi
>
>
> On 8/18/22 21:45, Toomas Soome wrote:
>>
>>
>>> On 18. Aug 2022, at 18:46, Santiago Martinez <sm@codenetworks.net> 
>>> wrote:
>>>
>>> Hi everyone,
>>>
>>> I have a server running 13.1-stable that was powered off 
>>> (gracefully) and now is been powered on again and we have the 
>>> following problem.
>>>
>>> The server boots almost properly, kernel load and when zfs import 
>>> other pools it panic with the following message.
>>>
>>> "panic : Solaris (panic) zfs: adding existent segment to range tree 
>>> (offset=4af2ca9000 size=a0000)".
>>>
>>> if i boot into single user and the pools (most specifically pool01 ) 
>>> is not imported then there is no panic. but as soon as we try to 
>>> import pool01 we get that panic error. it worth mentioning that the 
>>> pool imported/online before.
>>>
>>> Have two question:
>>>
>>> *    How i can tell to not import the pool automatically during boot 
>>> so sever is not stuck in a boot/panic/reboot infinite loop?
>>
>> removing zpool.cache should do. unfortunately, you would need to boot 
>> alternate root (usb/cd/net) for that.
>>
>>>
>>> *    Anybody know what this panic means?
>>>
>>
>> in short - bug. I’d try to boot current and import pool there - maybe 
>> the issue is fixed in current…
>>
>> rgds,
>> toomas
>>
>>> Thanks in advance!
>>>
>>> Santi
>>>
>>>
>>>
>>