tag 425567 + patch thanks Please find below the patch sent to the lkml. Note that even if it is workarounded in the glibc, it is important to fix it, as in very rare conditions, the kernel could end up in returning always -EDEADLOCK.
diff -u a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -501,7 +501,7 @@ shlw %r20, 4, %r20 add %r20, %r28, %r20 -# ifdef ENABLE_LWS_DEBUG +# if ENABLE_LWS_DEBUG /* DEBUG, check for deadlock! If the thread register values are the same @@ -550,7 +550,7 @@ perspective */ cas_action: -#if defined CONFIG_SMP && defined ENABLE_LWS_DEBUG +#if defined CONFIG_SMP && ENABLE_LWS_DEBUG /* DEBUG */ mfctl %cr27, %r1 stw %r1, 4(%sr2,%r20) @@ -562,7 +562,7 @@ #ifdef CONFIG_SMP /* Free lock */ stw %r20, 0(%sr2,%r20) -# ifdef ENABLE_LWS_DEBUG +# if ENABLE_LWS_DEBUG /* Clear thread register indicator */ stw %r0, 4(%sr2,%r20) # endif @@ -576,7 +576,7 @@ #ifdef CONFIG_SMP /* Free lock */ stw %r20, 0(%sr2,%r20) -# ifdef ENABLE_LWS_DEBUG +# if ENABLE_LWS_DEBUG stw %r0, 4(%sr2,%r20) # endif #endif -- .''`. Aurelien Jarno | GPG: 1024D/F1BCDB73 : :' : Debian developer | Electrical Engineer `. `' [EMAIL PROTECTED] | [EMAIL PROTECTED] `- people.debian.org/~aurel32 | www.aurel32.net -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]