On Wednesday 23 November 2005 14:37, Fabio Coatti wrote:
> Hi all,
> I'm seeing several segfaults on a couple of HP DL585 Dual Opterons, 8Gb ram
> each.
>
> The segfaults are like this:
> factorial[17031]: segfault at 0000000000020f31 rip 00000000004035ae rsp
> 00007fffffe287e0 error 4
> factorial[17034]: segfault at 0000000000020f31 rip 00000000004035ae rsp
> 00007fffffc6f450 error 4
> factorial[17038]: segfault at 0000000000020f31 rip 00000000004035ae rsp
> 00007fffffdbd060 error 4
> factorial[17044]: segfault at 0000000000020f31 rip 00000000004035ae rsp
> 00007fffffb48fa0 error 4
> factorial[17046]: segfault at 0000000000020f31 rip 00000000004035ae rsp
> 00007fffffc2a7f0 error 4
> ld[3997]: segfault at 0000000000000020 rip 00002aaaaad1a525 rsp
> 00007fffffa8e960 error 4
> ld[4234]: segfault at 0000000000000020 rip 00002aaaaad1a525 rsp
> 00007fffffc3a1e0 error 4
>
> This is only an example; often during some "make", also sed segfaults (!).
> I've seen this with 2.6.12, 2.6.13.4, 2.6.14.2
>
The symtoms look just like the TLB flush filter errata which affected SMP
x86_64 kernels upto (at least) 2.6.13.4. IIRC it was fixed for 2.6.14 (at
least I stopped using the patch after 2.6.13.4).
Are you sure you saw this with 2.6.14+ ?
Andrew Walrond
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