Re: BUG: [2/2 -tip] x86-microcode: generic interface refactoring

[Peter Oruba]

Dmitry Adamushko schrieb:
> 2008/8/20 Peter Oruba <peter.oruba@xxxxxxx>:
> > With latest tip-microcode I get the following:
> >
> > Aug 23 13:38:26 gai_nfs ------------[ cut here ]------------
> > Aug 23 13:38:26 gai_nfs kernel BUG at arch/x86/kernel/microcode.c:351!
>
> What's your kernel version?
>
> I assume it does not have the following fix, doesn't it?

Yep, that fix helped. Didn't find any other issues so far.
Thanks

> http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=commit;h=279ef6bbb8308488398c8f33b04c760148428378
>
> sched, cpu hotplug: fix set_cpus_allowed() use in hotplug callbacks
> author	Dmitry Adamushko <dmitry.adamushko@xxxxxxxxx>
> 	Wed, 30 Jul 2008 10:34:04 +0000 (12:34 +0200)
> committer	Ingo Molnar <mingo@xxxxxxx>
> 	Mon, 11 Aug 2008 14:32:41 +0000 (16:32 +0200)
> commit	279ef6bbb8308488398c8f33b04c760148428378
>
>
> > Aug 23 13:38:26 gai_nfs invalid opcode: 0000 [1] SMP
> > Aug 23 13:38:26 gai_nfs CPU 0
> > Aug 23 13:38:26 gai_nfs Modules linked in: microcode_amd microcode
> > Aug 23 13:38:26 gai_nfs Pid: 4258, comm: bash Not tainted 2.6.27-rc1 #10
> > Aug 23 13:38:26 gai_nfs RIP: 0010:[<ffffffffa000048e>]  [<ffffffffa000048e>]
> > microcode_update_cpu+0x1b/0xf1 [microcode]
> > Aug 23 13:38:26 gai_nfs RSP: 0018:ffff88003ed41db8  EFLAGS: 00010297
> > Aug 23 13:38:26 gai_nfs RAX: 0000000000000000 RBX: 0000000000000001 RCX:
> > 00000000c0000100
> > Aug 23 13:38:26 gai_nfs RDX: 0000000000000000 RSI: ffff88003f87cbf0 RDI:
> > 0000000000000001
> > Aug 23 13:38:26 gai_nfs RBP: 0000000000000001 R08: 0000000000000000 R09:
> > ffff880001011ae0
> > Aug 23 13:38:26 gai_nfs R10: 000000009f3b7578 R11: ffff88003f887de0 R12:
> > 0000000000000000
> > Aug 23 13:38:26 gai_nfs R13: 0000000000000001 R14: 0000000000000002 R15:
> > ffffffff80739d00
> > Aug 23 13:38:26 gai_nfs FS:  00007f0e312d26d0(0000)
> > GS:ffffffff807b2a80(0000) knlGS:0000000000000000
> > Aug 23 13:38:26 gai_nfs CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > Aug 23 13:38:26 gai_nfs CR2: 00007f0f13293f20 CR3: 000000003e412000 CR4:
> > 00000000000006a0
> > Aug 23 13:38:26 gai_nfs DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> > 0000000000000000
> > Aug 23 13:38:26 gai_nfs DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> > 0000000000000400
> > Aug 23 13:38:26 gai_nfs Process bash (pid: 4258, threadinfo
> > ffff88003ed40000, task ffff88003f3e5950)
> > Aug 23 13:38:26 gai_nfs Stack:  ffff88000101c980 0000000000000296
> > 0000000000000003 0000000000000001
> > Aug 23 13:38:26 gai_nfs 0000000000000001 0000000000000001 0000000000000001
> > ffffffffa00005ac
> > Aug 23 13:38:26 gai_nfs 0000000000000003 0000000000000001 0000000000000282
> > 0000000000000002
> > Aug 23 13:38:26 gai_nfs Call Trace:
> > Aug 23 13:38:26 gai_nfs [<ffffffffa00005ac>] ? microcode_init_cpu+0x48/0x61
> > [microcode]
> > Aug 23 13:38:26 gai_nfs [<ffffffffa00006a7>] ? mc_cpu_callback+0x2b/0x76
> > [microcode]
> > Aug 23 13:38:26 gai_nfs [<ffffffff80242ffd>] ? notifier_call_chain+0x29/0x4c
> > Aug 23 13:38:26 gai_nfs [<ffffffff805ca600>] ? cpu_up+0x105/0x16a
> > Aug 23 13:38:26 gai_nfs [<ffffffff805a99d7>] ? store_online+0x46/0x6d
> > Aug 23 13:38:26 gai_nfs [<ffffffff802c431a>] ? sysfs_write_file+0xd0/0x107
> > Aug 23 13:38:26 gai_nfs [<ffffffff80282b8c>] ? vfs_write+0xad/0x136
> > Aug 23 13:38:26 gai_nfs [<ffffffff80282cd1>] ? sys_write+0x45/0x6e
> > Aug 23 13:38:26 gai_nfs [<ffffffff8020be8b>] ?
> > system_call_fastpath+0x16/0x1b
>
> [ ... ]

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