On 10/18/2013 10:12 PM, Myklebust, Trond wrote: > On Fri, 2013-10-18 at 22:03 +0200, Helge Deller wrote: >> On 10/18/2013 09:36 PM, Myklebust, Trond wrote: >>> Also, could you please try a sysRQ-t the next time it happens, so that >>> we can get a trace of where the mount program is hanging. Knowing that >>> the mount is stuck in "__schedule()" is not really interesting unless we >>> know from where that was called. >> >> Actually, the machine was still running in this state. >> Here is sysrq-t: >> [112009.084000] mount S 00000000401040c0 0 25331 1 0x00000010 >> [112009.084000] Backtrace: >> [112009.084000] [<0000000040113a68>] __schedule >> [112009.232000] >> [112009.232000] mount.nfs D 00000000401040c0 0 25332 25331 0x00000010 >> [112009.232000] Backtrace: >> [112009.232000] [<0000000040113a68>] __schedule > > That makes no sense unless sysrq-t works differently on parisc than on > other platforms. I'd expect the backtrace to at least include a system > call. Parisc experts? sysrq-t doesn't work differently on parisc. For other processes I do get a backtrace like the one on x86_64. That's the main reason why I asked for ideas here on the list. I do see the stuck process, but don't see any indications where it comes from. Helge -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
