Samuel Thibault, le sam. 10 juin 2023 01:47:00 +0200, a ecrit: > Sergey Bugaev, le ven. 09 juin 2023 20:49:44 +0300, a ecrit: > > with the following hacky patch, I no longer see any crashes, > > That does help indeed. > > When I'm using rumpdisk I'm still observing crashes, however, more > precisely: > > Kernel General protection trap, eip 0xffffffff81011eee > kernel: General protection (13), code=2000 > Stopped at 0xffffffff81011eee: mov %ax,%es > 0xffffffff81011eee(ffffffffbfbd4618,ffffffffbfff5230,ffffffffbe396d50,ffffffffbe396d90,ffffffff8103705b) > > That's: > > ffffffff81011ee9 t _kret_popl_fs > ffffffff81011ee9 t _kret_popl_gs > ffffffff81011eed t _kret_popl_es > 0xffffffff81011eed <+0>: pop %rax > 0xffffffff81011eee <+1>: mov %eax,%es > ffffffff81011ef0 t _kret_popl_ds > ffffffff81011f12 t _kret_iret
Ah, it happens without rumpdisk, too. %rax at that point can be 0x30, 0xffffffffa72006c8, 0xffffffff983b5fff, 0x103a260, etc. Samuel