Re: Strange deadlock
BERTRAND Joël <[email protected]>
| Newsgroups | gmane.os.netbsd.ports.sparc64 |
|---|---|
| Message-ID | <[email protected]> |
Michael a écrit : > Hello, > > On Mon, 21 Jul 2014 21:30:47 +0200 > BERTRAND Joël <[email protected]> wrote: > >> Hello, >> >> Some weeks ago, I have indicated here I have a stability issue with my >> Blade2000 running NetBSD : >> >> trap type 0x68: cpu 1, pc=410657c0 npc=410657ac >> pstate=0xffffffff99820092<,PEF,IE> >> Skipping crash dump on recursive panic >> panic: +fast data access MMU miss >> cpu1: Begin traceback... >> cpu1: End traceback... >> cpu0: shutting down >> cpu1: rebooting >> >> That was with 6.99.40 kernel. I have changed a faulty memory module, >> rebuilt all packages I use from sources (perl, gtk and all dependencies) >> and rebuilt a new kernel : >> >> NetBSD legendre.systella.fr 6.99.47 NetBSD 6.99.47 (CUSTOM) #1: Sun Jul >> 20 15:21:37 CEST 2014 >> [email protected]:/usr/src/sys/arch/sparc64/compile/CUSTOM sparc64 >> >> CUSTOM stands for GENERIC.MP with some minor modifications : >> >> sd0 at scsibus4 target 0 lun 0 >> sd1 at scsibus4 target 1 lun 0 >> cd0 at scsibus0 target 6 lun 0 >> ... >> # Wedge support >> options DKWEDGE_AUTODISCOVER >> options DKWEDGE_METHOD_GPT >> >> With 6.99.40 kernel, this workstation was stable enough to build >> packages from sources (load average : 6). With 6.99.47, it has hanged >> just after a few hours. >> >> At 12:48 (CEST), this workstation has crashed under heavy I/O (gcc48 >> compilation). Something very similar to a deadlock and I have rebooted >> it with power button. Console didn't respond, network subsystem didn't >> answer to ping... There was no information on console or serial line. No >> panic and no dump file. >> >> I don't think if it is sparc specific, I don't have any other >> information. Has anyone ever seen the same problem? > > I've seen my sb2500 spontaneously reboot under heavy load with .47, > it's been rock stable with .44 ( and many, many older revisions ) In my case, it's not a reboot, only a complete deadlock and I haven't found any sparc64 specific modification between .40 that panics and reboots and .47 that locks... Regards, JKB