SMP+USB still crashes in 2.4.6-pre5
Hey,
Just wanted people to know that the same problem I reported about 2.4.4 a while back is still present in 2.4.6-pre6 (hard crash when doing "cat whatever > /dev/dsp1" where /dev/dsp1 is an external USB audio device, where "hard crash" means a freeze followed by "wait on irq" message as reported earlier).
I have tracked down the problem to having appeared between 2.4.3 and 2.4.4 and occuring only on kernels compiled SMP (actual number of processors doesn't matter), but the only response I have got is "no major changes occured between those kernel versions" and I am not competent to find it myself. :(
Any help appreciated...
//jb
Quoted 5 lines
Just wanted people to know that the same problem I reported about 2.4.4 a while back is still present in 2.4.6-pre6 (hard crash when doing "cat whatever >
/dev/dsp1" where/dev/dsp1is an external USB audio device, where "hard crash" means a freeze followed by "wait on irq" message as reported earlier).
Does this happen on 2.4.5-ac kernel as well ?
Quoted 4 lines · Alan Cox
Quoted 2 lines
hard crash when doing "cat whatever >
/dev/dsp1" where/dev/dsp1is an external USB audio deviceDoes this happen on 2.4.5-ac kernel as well ?
On 2.4.5-ac9, yes. Haven't tested any others.
//jb
Quoted 8 lines · Alan Cox
Quoted 5 lines
Just wanted people to know that the same problem I reported about 2.4.4 a while back is still present in 2.4.6-pre6 (hard crash when doing "cat whatever >
/dev/dsp1" where/dev/dsp1is an external USB audio device, where "hard crash" means a freeze followed by "wait on irq" message as reported earlier).Does this happen on 2.4.5-ac kernel as well ?
The crash problem seems to also affect usb-storage devices. Hard lockups on an SMP machine under 2.4.4, 2.4.5 and 2.4.6pre3. Dropped back to 2.4.3 and all is well. Haven't tried on UP or the -ac kernels. Have been waiting to see if anyone saw this elsewhere as I know that usb-storage still has some "issues". :-)
--
-Jonathan
Quoted 7 lines · Alan Cox
Quoted 5 lines
Just wanted people to know that the same problem I reported about 2.4.4 a while back is still present in 2.4.6-pre6 (hard crash when doing "cat whatever >
/dev/dsp1" where/dev/dsp1is an external USB audio device, where "hard crash" means a freeze followed by "wait on irq" message as reported earlier).Does this happen on 2.4.5-ac kernel as well ?
The same problem is present in -ac18.
//jb