Re: [Bug 1423672] Re: ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor inconsistent: X vs Y

2015-11-03 Thread Jan Wagner
Am 29.10.15 um 03:29 schrieb LouieGosselin:
> I'm posting again to add that I conducted some more tests and ext3 does
> not encounter corruption under the same conditions. I hope this
> information is helpful to others, if anyone needs more information let
> me know and I'll see what I can do. I'll probably switch my own VMs to
> ext3 so I don't have to worry about these FS crashes.

I created a new LVM Volume and a new ext3 FS. I copied the whole FS from
ext4 to ext3 and running now the VM on ext3.

Today the ext4_mb_generate_buddy bug did hit me agian. With ext3 FS and
running the VM with "cache=none" setting.

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Title:
  ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor
  inconsistent: X vs Y

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Re: [Bug 1423672] Re: ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor inconsistent: X vs Y

2015-10-17 Thread Jan Wagner
On 10/13/2015 06:00  PW, Simon Déziel wrote:
> On 10/13/2015 11:50 AM, Jan Wagner wrote:
>> I'm trying now '"cache=none"' for this VM and see how that turns out.
> 
> FYI, all my VMs use cache=none and have small HDDs (lv of 2-4G) yet the
> regularly trip on this bug.

looks like this didn't fixed the problem for me.

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Title:
  ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor
  inconsistent: X vs Y

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Re: [Bug 1423672] Re: ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor inconsistent: X vs Y

2015-10-13 Thread Simon Déziel
On 10/13/2015 11:50 AM, Jan Wagner wrote:
> I got also hit with the problem on Debian Jessie VM [virtio] (KVM host
> is Jessie as well).
> 
> The following bug might be related:
> https://bugzilla.kernel.org/show_bug.cgi?id=104571
> 
> I'm trying now '"cache=none"' for this VM and see how that turns out.

FYI, all my VMs use cache=none and have small HDDs (lv of 2-4G) yet the
regularly trip on this bug.

Simon

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Title:
  ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor
  inconsistent: X vs Y

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