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Re: Bug#691576: GDB still broken with 3.11.10-1



On Sun, 2014-01-12 at 19:15 +0100, Émeric MASCHINO wrote:
>  2014/1/7 Ben Hutchings <ben@decadent.org.uk>:
> > On Mon, 2014-01-06 at 10:15 +0100, Émeric MASCHINO wrote:
> >
> > I don't understand that - I still have 3.2 installed on this unstable
> > (i386) system and can still boot it.  How does it go wrong?
> 
> It seems to crash with something wrong with systemd.
> You're getting in loop a callstack similar to the one starting at
> 32.334142, every ~28 seconds.
> And you can wait forever, never reaching login:
[...]
> [   32.239142] Unable to handle kernel paging request at virtual address 40039f8
> 0a0000032
> [   32.334142] systemd-udevd[47]: Oops 11012296146944 [1]
> [   32.338131] Modules linked in:
> [   32.338131]
> [   32.338131] Pid: 47, CPU 0, comm:        systemd-udevd
> [   32.338131] psr : 00001210085a6010 ifs : 8000000000000001 ip  : [<a0000001002
> 41e51>]    Not tainted (3.2.0-4-mckinley Debian 3.2.51-1a~test)
> [   32.338131] ip is at mntget+0x11/0x60

So this is a crash, not an incompatibility with the newer systemd.

[...]
> > I really need to know whether -O1 works for 3.2; I can't just
> > speculatively change it in a stable update.
> 
> I understand that.

Can you test the 3.2 kernel with sysvinit, in case this is a bug that's
specifically provoked by systemd?

Ben.

-- 
Ben Hutchings
Quantity is no substitute for quality, but it's the only one we've got.

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