Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264493AbTFVQiN (ORCPT ); Sun, 22 Jun 2003 12:38:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264494AbTFVQiN (ORCPT ); Sun, 22 Jun 2003 12:38:13 -0400 Received: from franka.aracnet.com ([216.99.193.44]:22144 "EHLO franka.aracnet.com") by vger.kernel.org with ESMTP id S264493AbTFVQiJ (ORCPT ); Sun, 22 Jun 2003 12:38:09 -0400 Date: Sun, 22 Jun 2003 09:52:00 -0700 From: "Martin J. Bligh" To: Peter Braam , linux-kernel@vger.kernel.org, akpm@digeo.com cc: Alex Tomas Subject: Re: 2.5.72 kgdb woes Message-ID: <190170000.1056300719@[10.10.2.4]> In-Reply-To: <20030622040644.GF32265@peter.cfs> References: <20030622040644.GF32265@peter.cfs> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4530 Lines: 122 Where'd you get your kgdb from? -mm tree? I have an older stub in -mjb tree, would be curious to see if that one works. ftp://ftp.kernel.org/pub/linux/kernel/people/mbligh/2.5.72 or something like that. M. --Peter Braam wrote (on Saturday, June 21, 2003 22:06:44 -0600): > I'm trying to use kgdb with vmware 3.2. VMware is configured with: > > serial.v2=False > serial0.yieldOnMsrRead = "TRUE" > serial0.present= "TRUE" > serial0.fileName = "/dev/ptys0" > serial0.tryNoRxLoss = "true" > serial0.fileType = "tty" > > I run linux as: > > append="kgdb gdbttyS=0 gdbbaud=115200 console=kgdb" > > and kgdb as: > > gdb vmlinux > shell echo -e "\003" >/dev/ttys0 > set remotebaud 115200 > target remote /dev/ttys0 > > ------------------------------------- > Everything starts fine, but it hangs soon after: > > POSIX conformance testing by UNIFIX > Initializing RT netlink socket > PCI: PCI BIOS revision 2.10 entry at 0xfd980, last bus=0 > PCI: Using configuration type 1 > mtrr: v2.0 (20020519) > BIO: pool of 256 setup, 14Kb (56 bytes/bio) > biovec pool[0]: 1 bvecs: 256 entries (12 bytes) > biovec pool[1]: 4 bvecs: 256 entries (48 bytes) > biovec pool[2]: 16 bvecs: 256 entries (192 bytes) > biovec pool[3]: 64 bvecs: 256 entries (768 bytes) > biovec pool[4]: 128 bvecs: 256 entries (1536 bytes) > biovec pool[5]: 256 bvecs: 256 entries (3072 bytes) > block request queues: > 4/128 requests per read queue > 4/128 requests per write queue > enter congestion at 15 > exit congestion at 17 > PCI: Probing PCI hardware > PCI: Probing PCI hardware (bus 00) > PCI: Using IRQ router PIIX [8086/7110] at 00:07.0 > PCI: Cannot allocate resource region 4 of device 00:07.1 > pty: 512 Unix98 ptys configured > Enabling SEP on CPU 0 > Journalled Block Device driver loaded > Limiting direct PCI/PCI transfers. > > ------------------------- > > Here the systems hangs. The stack is then: > > Program received signal SIGTRAP, Trace/breakpoint trap. > gdb_interrupt (irq=-1070914560, dev_id=0x0, regs=0xc12afe6c) > at arch/i386/lib/kgdb_serial.c:195 > 195 continue; > (gdb) bt ># 0 gdb_interrupt (irq=-1070914560, dev_id=0x0, regs=0xc12afe6c) > at arch/i386/lib/kgdb_serial.c:195 ># 1 0xc010c453 in handle_IRQ_event (irq=4, regs=0xc12afe6c, action=0x3) > at arch/i386/kernel/irq.c:222 ># 2 0xc010c6f2 in do_IRQ (regs= > {ebx = 642, ecx = 1016, edx = -1, esi = 71, edi = 4099, ebp = -1054146908, eax = -1070914560, xds = 123, xes = 123, orig_eax = -252, eip = -1071999793, xcs = 96, eflags = 642, esp = 0, xss = -1054146880}) > at arch/i386/kernel/irq.c:485 ># 3 0xc010ae08 in common_interrupt () at arch/i386/kernel/entry.S:426 ># 4 0xc01a980c in getDebugChar () at arch/i386/lib/kgdb_serial.c:363 ># 5 0xc011433d in putpacket ( > buffer=0xc0314ea0 "O4c696d6974696e6720646972656374205043492f504349207472616e73666572732e0a") at arch/i386/kernel/kgdb_stub.c:463 ># 6 0xc01158d4 in kgdb_gdb_message (s=0xc03166f3 "", count=0) > at arch/i386/kernel/kgdb_stub.c:1969 ># 7 0xc011a7a5 in __call_console_drivers (start=1016, end=3224456935) > at kernel/printk.c:294 ># 8 0xc011a893 in call_console_drivers (start=1016, end=2771) > at kernel/printk.c:355 ># 9 0xc011ab31 in release_console_sem () at kernel/printk.c:509 ># 10 0xc011aa82 in printk ( > fmt=0xc0292f40 "<6>Limiting direct PCI/PCI transfers.\n") > at kernel/printk.c:449 ># 11 0xc02d3b3a in quirk_natoma (dev=0xc12ea400) at drivers/pci/quirks.c:196 ># 12 0xc01aba60 in pci_do_fixups (dev=0xc12ea400, pass=2, f=0xc02e48dc) > at drivers/pci/quirks.c:857 ># 13 0xc01aba93 in pci_fixup_device (pass=2, dev=0xc12ea400) > at drivers/pci/quirks.c:866 ># 14 0xc02d3811 in pci_init () at drivers/pci/pci.c:720 ># 15 0xc02c872b in do_initcalls () at init/main.c:494 ># 16 0xc0105055 in init (unused=0x0) at init/main.c:572 > > The kernel boots fine with kgdb not enabled. Any ideas what is wrong > here? > > Thanks. > > - Peter - > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/