[Info-vax] Processes hang on USB-access

[Volker Halle]

> on the running system without problems yet: 
> 
> FFFFFFFF.829B7D8C IRP$L_FPC 00010036 UCB$M_SHD_SEQCMD_PEND+00036 
> 
> FFFFFFFF.829B7DB0 IRP$Q_RES_WAIT_STATE 00000000.00000020 
> 
> so the 00000000.00000020 looks normal

If there is no hung IRP, the Fork PC seems to contain the PID of the process, which has issued the current IO !

Wait for the next hang and then compare the fields of the current/hung IRP with the one in the previous forced crash.

Volker.