amd64 bus error

amd64 bus error

[James Courtier-Dutton]

Here is a backtrace of a alsa application that ran for about 1 hour 
before giving this:

[New Thread 1098918240 (LWP 23392)]

Program received signal SIGBUS, Bus error.
[Switching to Thread 1098918240 (LWP 23392)]
0x00002aaaac51bcc8 in ao_alsa_loop (iarg=<value optimized out>)
    at start_alsa.c:494
494                     if (poll (pfd, nfds, 200000) < 0) {


Have we had any bus error type fixes to alsa-driver between the current 
ubuntu alsa version and the latest?
The poll() call above is with alsa file descriptors.

James



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Re: amd64 bus error

[Eric Shattow]

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This may be a hardware error on your computer platform.  Is the bug
reproducible? If not, you should try replacing the CPU/ram of your
test machine.

 Eric

On 4/5/06, James Courtier-Dutton <James@superbug.co.uk> wrote:
> Here is a backtrace of a alsa application that ran for about 1 hour
> before giving this:
>
> [New Thread 1098918240 (LWP 23392)]
>
> Program received signal SIGBUS, Bus error.
> [Switching to Thread 1098918240 (LWP 23392)]
> 0x00002aaaac51bcc8 in ao_alsa_loop (iarg=<value optimized out>)
>     at start_alsa.c:494
> 494                     if (poll (pfd, nfds, 200000) < 0) {
>
>
> Have we had any bus error type fixes to alsa-driver between the current
> ubuntu alsa version and the latest?
> The poll() call above is with alsa file descriptors.
>
> James
>
>
>
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Re: amd64 bus error

[James Courtier-Dutton]

Eric Shattow wrote:
> This may be a hardware error on your computer platform.  Is the bug
> reproducible? If not, you should try replacing the CPU/ram of your
> test machine.
> 
>  Eric
> 
> On 4/5/06, James Courtier-Dutton <James@superbug.co.uk> wrote:
>> Here is a backtrace of a alsa application that ran for about 1 hour
>> before giving this:
>>
>> [New Thread 1098918240 (LWP 23392)]
>>
>> Program received signal SIGBUS, Bus error.
>> [Switching to Thread 1098918240 (LWP 23392)]
>> 0x00002aaaac51bcc8 in ao_alsa_loop (iarg=<value optimized out>)
>>     at start_alsa.c:494
>> 494                     if (poll (pfd, nfds, 200000) < 0) {
>>
>>
>> Have we had any bus error type fixes to alsa-driver between the current
>> ubuntu alsa version and the latest?
>> The poll() call above is with alsa file descriptors.
>>
>> James
>>

I ran one cycle of memtest86+ on it, and it has no errors.
I don't think this is a hardware problem.

James




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