71 lines
2.6 KiB
Diff
71 lines
2.6 KiB
Diff
From 548991fba5792b9efebc60cd75cba656624319d4 Mon Sep 17 00:00:00 2001
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From: jipengfei <jipengfei_yewu@cmss.chinamobile.com>
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Date: Tue, 4 Apr 2023 18:11:30 +0800
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Subject: [PATCH] ui: fix crash on serial reset, during init
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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For ex, when resetting the xlnx-zcu102 machine:
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(lldb) bt
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* thread #1, queue = 'com.apple.main-thread', stop reason =
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EXC_BAD_ACCESS (code=1, address=0x50)
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* frame #0: 0x10020a740 gd_vc_send_chars(vc=0x000000000) at
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gtk.c:1759:41 [opt]
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frame #1: 0x100636264 qemu_chr_fe_accept_input(be=<unavailable>) at
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char-fe.c:159:9 [opt]
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frame #2: 0x1000608e0 cadence_uart_reset_hold [inlined]
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uart_rx_reset(s=0x10810a960) at cadence_uart.c:158:5 [opt]
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frame #3: 0x1000608d4 cadence_uart_reset_hold(obj=0x10810a960) at
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cadence_uart.c:530:5 [opt]
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frame #4: 0x100580ab4 resettable_phase_hold(obj=0x10810a960,
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opaque=0x000000000, type=<unavailable>) at resettable.c:0 [opt]
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frame #5: 0x10057d1b0 bus_reset_child_foreach(obj=<unavailable>,
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cb=(resettable_phase_hold at resettable.c:162), opaque=0x000000000,
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type=RESET_TYPE_COLD) at bus.c:97:13 [opt]
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frame #6: 0x1005809f8 resettable_phase_hold [inlined]
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resettable_child_foreach(rc=0x000060000332d2c0, obj=0x0000600002c1c180,
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cb=<unavailable>, opaque=0x000000000, type=RESET_TYPE_COLD) at
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resettable.c:96:9 [opt]
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frame #7: 0x1005809d8 resettable_phase_hold(obj=0x0000600002c1c180,
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opaque=0x000000000, type=RESET_TYPE_COLD) at resettable.c:173:5 [opt]
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frame #8: 0x1005803a0
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resettable_assert_reset(obj=0x0000600002c1c180, type=<unavailable>) at
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resettable.c:60:5 [opt]
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frame #9: 0x10058027c resettable_reset(obj=0x0000600002c1c180,
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type=RESET_TYPE_COLD) at resettable.c:45:5 [opt]
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While the chardev is created early, the VirtualConsole is associated
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after, during qemu_init_displays().
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cheery-pick from 49152ac47003ca21fc6f2a5c3e517f79649e1541
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Signed-off-by: jipengfei_yewu@cmss.chinamobile.com
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Message-Id: <20230220072251.3385878-1-marcandre.lureau@redhat.com>
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---
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ui/gtk.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/ui/gtk.c b/ui/gtk.c
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index 428f02f2df..6d9cb42b3d 100644
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--- a/ui/gtk.c
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+++ b/ui/gtk.c
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@@ -1718,8 +1718,10 @@ static void gd_vc_chr_accept_input(Chardev *chr)
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{
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VCChardev *vcd = VC_CHARDEV(chr);
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VirtualConsole *vc = vcd->console;
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-
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- gd_vc_send_chars(vc);
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+
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+ if (vc) {
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+ gd_vc_send_chars(vc);
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+ }
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}
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static void gd_vc_chr_set_echo(Chardev *chr, bool echo)
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--
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2.27.0
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