Messages in this thread Patch in this message | | | Date | Sat, 15 Mar 2003 12:03:43 -0800 | From | Andrew Morton <> | Subject | Re: 2.5.64-mm7 - dies on smp with raid |
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Helge Hafting <helgehaf@aitel.hist.no> wrote: > > mm7 crashed where mm2 works. > The machine is a dual celeron with two scsi disks with > some raid-1 & raid-0 partitions. > > deadline or anicipatory scheduler does not make a difference. > It dies anyway, attempting to kill init. > > Here's what I managed to write down before the 30 second reboot > kicked in: > > EIP is at md_wakeup_thread > > stack: > do_md_run > autorun_array > autorun_devices > autostart_arrays > md_ioctl > dentry_open > kmem_cache_free > blkdev_ioctl > sys_ioctl > init > init > > This happened during the boot process. The kernel is compiled > with gcc 2.95.4 from debian testing. The machine uses devfs >
A lot of md updates went into Linus's tree overnight. Can you get some more details for Neil?
Here is a wild guess:
diff -puN drivers/md/md.c~a drivers/md/md.c --- 25/drivers/md/md.c~a 2003-03-15 12:02:04.000000000 -0800 +++ 25-akpm/drivers/md/md.c 2003-03-15 12:02:14.000000000 -0800 @@ -2818,6 +2818,8 @@ int md_thread(void * arg) void md_wakeup_thread(mdk_thread_t *thread) { + if (!thread) + return; dprintk("md: waking up MD thread %p.\n", thread); set_bit(THREAD_WAKEUP, &thread->flags); wake_up(&thread->wqueue); _
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