Re: 2.6.23-rc2: WARNING: at kernel/irq/resend.c:70 check_irq_resend()
From: Jean-Baptiste Vignaud <hidden>
Date: 2007-08-10 12:28:19
Also in:
lkml
see below
quoted hunk
arch/i386/kernel/io_apic.c | 3 ++- arch/x86_64/kernel/genapic.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) Index: linux/arch/i386/kernel/io_apic.c ===================================================================--- linux.orig/arch/i386/kernel/io_apic.c +++ linux/arch/i386/kernel/io_apic.c@@ -735,7 +735,8 @@ void fastcall send_IPI_self(int vector) * Wait for idle. */ apic_wait_icr_idle(); - cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL; + cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL | + APIC_INT_LEVELTRIG; /* * Send the IPI. The write to APIC_ICR fires this off. */Index: linux/arch/x86_64/kernel/genapic.c ===================================================================--- linux.orig/arch/x86_64/kernel/genapic.c +++ linux/arch/x86_64/kernel/genapic.c@@ -62,5 +62,6 @@ void __init setup_apic_routing(void) void send_IPI_self(int vector) { - __send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL); + __send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL | + APIC_INT_LEVELTRIG); }
clean 2.6.23-rc1 with this patch : Aug 10 14:12:09 loki kernel: NETDEV WATCHDOG: eth2: transmit timed out Aug 10 14:12:09 loki kernel: eth2: transmit timed out, tx_status 00 status e601. Aug 10 14:12:09 loki kernel: diagnostics: net 0ccc media 8880 dma 0000003a fifo 8000 Aug 10 14:12:09 loki kernel: eth2: Interrupt posted but not delivered -- IRQ blocked by another device? Aug 10 14:12:09 loki kernel: Flags; bus-master 1, dirty 231829(5) current 231829(5) Aug 10 14:12:09 loki kernel: Transmit list 00000000 vs. ffff81007eaad520. Aug 10 14:12:09 loki kernel: 0: @ffff81007eaad200 length 80000115 status 0c010115 Aug 10 14:12:09 loki kernel: 1: @ffff81007eaad2a0 length 8000005c status 0c01005c Aug 10 14:12:09 loki kernel: 2: @ffff81007eaad340 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 3: @ffff81007eaad3e0 length 8000002a status 8001002a Aug 10 14:12:09 loki kernel: 4: @ffff81007eaad480 length 8000005c status 8c01005c Aug 10 14:12:09 loki kernel: 5: @ffff81007eaad520 length 80000042 status 00010042 Aug 10 14:12:09 loki kernel: 6: @ffff81007eaad5c0 length 8000007b status 0001007b Aug 10 14:12:09 loki kernel: 7: @ffff81007eaad660 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 8: @ffff81007eaad700 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 9: @ffff81007eaad7a0 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 10: @ffff81007eaad840 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 11: @ffff81007eaad8e0 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 12: @ffff81007eaad980 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 13: @ffff81007eaada20 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 14: @ffff81007eaadac0 length 8000002a status 0001002a Aug 10 14:12:09 loki kernel: 15: @ffff81007eaadb60 length 8000002a status 0001002a I did not had to wait too long for this to occurs (1-2 minutes). Jb