On Thu, Sep 22, 2016 at 10:46 AM, Rich Freeman
> On Sep 22, 2016 8:18 AM, "Rich Freeman" <r-bt...@thefreemanclan.net> wrote:
>> I have been getting panics consistently after doing a btrfs replace
>> operation on a raid1 and rebooting. I linked a photo of the panic; I
>> haven't been able to get a text capture of it.
>> I'm getting this error on the latest 4.4, 4.1, and even on an old
>> 3.18.26 kernel I had lying around.
> Apologies for replying out of order, but I lost the reply (the
> downside to running btrfs on my mail server).
> I was also suspicious of memory but memtestx86 hasn't found anything
> in (though I haven't run it longer than 10min).
It can take hours or days. Only the most obvious memory problems are
found in minutes with memtest86+. And it's possible it won't find the
more rare problems.
I mentioned this in a related thread:
As for hardware induced corruptions there are lots of threads in the
archive, quick search:
Sysrescuecd is my
> normal rescue image and I haven't gotten that to panic, but I haven't
> tried to start any services from it. Unfortunately it is openrc based
> so getting systemd running on my btrfs image inside a container will
> be painful. Maybe I can find a systemd based rescue image that
> includes nspawn.
This ISO can be dd'd to a USB stick and will boot almost anything,
BIOS or UEFI, even a Mac.
You could of course use an actual release version of Fedora, I just
happen to have the URL handy and have tested that ISO. It has kernel
4.8rc7 and btrfs-progs 4.7.2. It is a "live" cd. You might prefer to
add 3 to boot parameters to not get a graphical boot. Login is either
root or liveuser, no password. Change the password for either one,
then 'systemctl start sshd' and 'ip a' to get an IP to login to
> I suspect I'll have the same issue though as several kernels have failed.
> I'll do more extensive RAM tests just in case. However, the
> consistency of the error messages suggests a bug to me.
Or binary file corruption.
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