Date: Wed, 20 Jun 2012 10:47:44 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Steve Wills <swills@freebsd.org> Cc: current@freebsd.org Subject: Re: panic with out of memory Message-ID: <20120620074744.GS2337@deviant.kiev.zoral.com.ua> In-Reply-To: <4FE127D3.8070502@FreeBSD.org> References: <4FE127D3.8070502@FreeBSD.org>
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--DCVUsB8wYFFoocrD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 19, 2012 at 09:30:59PM -0400, Steve Wills wrote: > Hi, >=20 > I just got a panic out of my r237195 system. The panic looks like: >=20 > Sleeping thread (tid 173153, pid 42034) owns a non-sleepable lock > KDB: stack backtrace of thread 173153: > sched_switch() at sched_switch+0x28a > mi_switch() at mi_switch+0xdf > sleepq_timedwait() at sleepq_timedwait+0x3a > _sleep() at _sleep+0x266 > swp_pager_meta_build() at swp_pager_meta_build+0x259 > swap_pager_copy() at swap_pager_copy+0x17b > vm_object_collapse() at vm_object_collapse+0x123 > vm_object_deallocate() at vm_object_deallocate+0x457 > vm_map_process_deferred() at vm_map_process_deferred+0x72 > vm_pageout_oom() at vm_pageout_oom+0x180 > swp_pager_meta_build() at swp_pager_meta_build+0x248 > swap_pager_copy() at swap_pager_copy+0x17b > vm_object_collapse() at vm_object_collapse+0x123 > vm_object_deallocate() at vm_object_deallocate+0x457 > vm_map_process_deferred() at vm_map_process_deferred+0x72 > vm_map_remove() at vm_map_remove+0x116 > exec_new_vmspace() at exec_new_vmspace+0x1bc > exec_elf64_imgact() at exec_elf64_imgact+0x5f4 > kern_execve() at kern_execve+0x6f0 > sys_execve() at sys_execve+0x37 > amd64_syscall() at amd64_syscall+0x351 > Xfast_syscall() at Xfast_syscall+0xfb > --- syscall (59, FreeBSD ELF64, sys_execve), rip =3D 0x800d2eddc, rsp =3D > 0x7fffffffd328, rbp =3D 0x7fffffffd470 --- > panic: sleeping thread > cpuid =3D 4 >=20 > The system was very busy and using lots of swap, but I didn't expect a > panic. If any more detail is needed or I should just get more RAM, let > me know. :) John has patches for this case. --DCVUsB8wYFFoocrD Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEYEARECAAYFAk/hgCAACgkQC3+MBN1Mb4ivvQCg7BsJfiztHeI3mAprQTr2gtn7 ADcAoKTs7LQuLu1mattAkefWKOC1ZWqY =pm2N -----END PGP SIGNATURE----- --DCVUsB8wYFFoocrD--
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